/* * Copyright (C) 2016 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #define LOG_TAG "msm8916_platform" /*#define LOG_NDEBUG 0*/ #define LOG_NDDEBUG 0 #include <stdlib.h> #include <dlfcn.h> #include <fcntl.h> #include <sys/ioctl.h> #include <cutils/log.h> #include <cutils/properties.h> #include <cutils/str_parms.h> #include <audio_hw.h> #include <platform_api.h> #include "platform.h" #include "audio_extn.h" #include "voice_extn.h" #include "sound/msmcal-hwdep.h" #include "audio_extn/tfa_98xx.h" #include <dirent.h> #define MAX_MIXER_XML_PATH 100 #define MIXER_XML_PATH "/system/etc/mixer_paths.xml" #define MIXER_XML_PATH_MTP "/system/etc/mixer_paths_mtp.xml" #define MIXER_XML_PATH_MSM8909_PM8916 "/system/etc/mixer_paths_msm8909_pm8916.xml" #define MIXER_XML_PATH_L9300 "/system/etc/mixer_paths_l9300.xml" #define LIB_ACDB_LOADER "libacdbloader.so" #define AUDIO_DATA_BLOCK_MIXER_CTL "HDMI EDID" #define CVD_VERSION_MIXER_CTL "CVD Version" /* * This file will have a maximum of 38 bytes: * * 4 bytes: number of audio blocks * 4 bytes: total length of Short Audio Descriptor (SAD) blocks * Maximum 10 * 3 bytes: SAD blocks */ #define MAX_SAD_BLOCKS 10 #define SAD_BLOCK_SIZE 3 #define MAX_CVD_VERSION_STRING_SIZE 100 /* EDID format ID for LPCM audio */ #define EDID_FORMAT_LPCM 1 /* fallback app type if the default app type from acdb loader fails */ #define DEFAULT_APP_TYPE_RX_PATH 0x11130 #define DEFAULT_APP_TYPE_TX_PATH 0x11132 /* Retry for delay in FW loading*/ #define RETRY_NUMBER 20 #define RETRY_US 500000 #define MAX_SND_CARD 8 #define SAMPLE_RATE_8KHZ 8000 #define SAMPLE_RATE_16KHZ 16000 #define MAX_SET_CAL_BYTE_SIZE 65536 #define MAX_CAL_NAME 20 #define QMIC_FLAG 0x00000004 #define TOSTRING_(x) #x #define TOSTRING(x) TOSTRING_(x) char cal_name_info[WCD9XXX_MAX_CAL][MAX_CAL_NAME] = { [WCD9XXX_MBHC_CAL] = "mbhc_cal", }; struct audio_block_header { int reserved; int length; }; enum { CAL_MODE_SEND = 0x1, CAL_MODE_PERSIST = 0x2, CAL_MODE_RTAC = 0x4 }; enum { BUFF_IDX_0 = 0, BUFF_IDX_1 = 1, }; #define PLATFORM_CONFIG_KEY_OPERATOR_INFO "operator_info" struct operator_info { struct listnode list; char *name; char *mccmnc; }; struct operator_specific_device { struct listnode list; char *operator; char *mixer_path; int acdb_id; }; static struct listnode operator_info_list; static struct listnode *operator_specific_device_table[SND_DEVICE_MAX]; /* Audio calibration related functions */ typedef void (*acdb_deallocate_t)(); typedef int (*acdb_init_v2_cvd_t)(const char *, char *, int); typedef void (*acdb_send_audio_cal_t)(int, int); typedef void (*acdb_send_audio_cal_v3_t)(int, int, int , int, int); typedef void (*acdb_send_voice_cal_t)(int, int); typedef int (*acdb_reload_vocvoltable_t)(int); typedef int (*acdb_loader_get_calibration_t)(char *attr, int size, void *data); acdb_loader_get_calibration_t acdb_loader_get_calibration; struct platform_data { struct audio_device *adev; bool fluence_in_spkr_mode; bool fluence_in_voice_call; bool fluence_in_voice_rec; int fluence_type; char fluence_cap[PROPERTY_VALUE_MAX]; int fluence_mode; bool ec_ref_enabled; bool gsm_mode_enabled; /* Audio calibration related functions */ void *acdb_handle; acdb_init_v2_cvd_t acdb_init; acdb_deallocate_t acdb_deallocate; acdb_send_audio_cal_t acdb_send_audio_cal; acdb_send_audio_cal_v3_t acdb_send_audio_cal_v3; acdb_send_voice_cal_t acdb_send_voice_cal; acdb_reload_vocvoltable_t acdb_reload_vocvoltable; void *hw_info; char ec_ref_mixer_path[64]; bool speaker_lr_swap; int max_vol_index; }; int pcm_device_table[AUDIO_USECASE_MAX][2] = { [USECASE_AUDIO_PLAYBACK_DEEP_BUFFER] = {DEEP_BUFFER_PCM_DEVICE, DEEP_BUFFER_PCM_DEVICE}, [USECASE_AUDIO_PLAYBACK_LOW_LATENCY] = {LOWLATENCY_PCM_DEVICE, LOWLATENCY_PCM_DEVICE}, [USECASE_AUDIO_PLAYBACK_MULTI_CH] = {MULTIMEDIA2_PCM_DEVICE, MULTIMEDIA2_PCM_DEVICE}, [USECASE_AUDIO_PLAYBACK_OFFLOAD] = {PLAYBACK_OFFLOAD_DEVICE, PLAYBACK_OFFLOAD_DEVICE}, [USECASE_AUDIO_PLAYBACK_ULL] = {MULTIMEDIA3_PCM_DEVICE, MULTIMEDIA3_PCM_DEVICE}, [USECASE_AUDIO_RECORD] = {AUDIO_RECORD_PCM_DEVICE, AUDIO_RECORD_PCM_DEVICE}, [USECASE_AUDIO_RECORD_LOW_LATENCY] = {LOWLATENCY_PCM_DEVICE, LOWLATENCY_PCM_DEVICE}, [USECASE_AUDIO_HFP_SCO] = {HFP_PCM_RX, HFP_SCO_RX}, [USECASE_AUDIO_HFP_SCO_WB] = {HFP_PCM_RX, HFP_SCO_RX}, [USECASE_VOICE_CALL] = {VOICE_CALL_PCM_DEVICE, VOICE_CALL_PCM_DEVICE}, [USECASE_VOICE2_CALL] = {VOICE2_CALL_PCM_DEVICE, VOICE2_CALL_PCM_DEVICE}, [USECASE_VOLTE_CALL] = {VOLTE_CALL_PCM_DEVICE, VOLTE_CALL_PCM_DEVICE}, [USECASE_QCHAT_CALL] = {QCHAT_CALL_PCM_DEVICE, QCHAT_CALL_PCM_DEVICE}, [USECASE_VOWLAN_CALL] = {VOWLAN_CALL_PCM_DEVICE, VOWLAN_CALL_PCM_DEVICE}, [USECASE_VOICEMMODE1_CALL] = {-1, -1}, /* pcm ids updated from platform info file */ [USECASE_VOICEMMODE2_CALL] = {-1, -1}, /* pcm ids updated from platform info file */ [USECASE_INCALL_REC_UPLINK] = {AUDIO_RECORD_PCM_DEVICE, AUDIO_RECORD_PCM_DEVICE}, [USECASE_INCALL_REC_DOWNLINK] = {AUDIO_RECORD_PCM_DEVICE, AUDIO_RECORD_PCM_DEVICE}, [USECASE_INCALL_REC_UPLINK_AND_DOWNLINK] = {AUDIO_RECORD_PCM_DEVICE, AUDIO_RECORD_PCM_DEVICE}, [USECASE_AUDIO_SPKR_CALIB_RX] = {SPKR_PROT_CALIB_RX_PCM_DEVICE, -1}, [USECASE_AUDIO_SPKR_CALIB_TX] = {-1, SPKR_PROT_CALIB_TX_PCM_DEVICE}, [USECASE_AUDIO_PLAYBACK_AFE_PROXY] = {AFE_PROXY_PLAYBACK_PCM_DEVICE, AFE_PROXY_RECORD_PCM_DEVICE}, [USECASE_AUDIO_RECORD_AFE_PROXY] = {AFE_PROXY_PLAYBACK_PCM_DEVICE, AFE_PROXY_RECORD_PCM_DEVICE}, }; /* Array to store sound devices */ static const char * const device_table[SND_DEVICE_MAX] = { [SND_DEVICE_NONE] = "none", /* Playback sound devices */ [SND_DEVICE_OUT_HANDSET] = "handset", [SND_DEVICE_OUT_SPEAKER] = "speaker", [SND_DEVICE_OUT_SPEAKER_REVERSE] = "speaker-reverse", [SND_DEVICE_OUT_HEADPHONES] = "headphones", [SND_DEVICE_OUT_LINE] = "line", [SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES] = "speaker-and-headphones", [SND_DEVICE_OUT_SPEAKER_AND_LINE] = "speaker-and-line", [SND_DEVICE_OUT_VOICE_HANDSET] = "voice-handset", [SND_DEVICE_OUT_VOICE_HAC_HANDSET] = "voice-hac-handset", [SND_DEVICE_OUT_VOICE_SPEAKER] = "voice-speaker", [SND_DEVICE_OUT_VOICE_SPEAKER_HFP] = "voice-speaker-hfp", [SND_DEVICE_OUT_VOICE_HEADPHONES] = "voice-headphones", [SND_DEVICE_OUT_VOICE_LINE] = "voice-line", [SND_DEVICE_OUT_HDMI] = "hdmi", [SND_DEVICE_OUT_SPEAKER_AND_HDMI] = "speaker-and-hdmi", [SND_DEVICE_OUT_BT_SCO] = "bt-sco-headset", [SND_DEVICE_OUT_BT_SCO_WB] = "bt-sco-headset-wb", [SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES] = "voice-tty-full-headphones", [SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES] = "voice-tty-vco-headphones", [SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET] = "voice-tty-hco-handset", [SND_DEVICE_OUT_VOICE_TX] = "voice-tx", [SND_DEVICE_OUT_AFE_PROXY] = "afe-proxy", [SND_DEVICE_OUT_USB_HEADSET] = "usb-headphones", [SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET] = "speaker-and-usb-headphones", [SND_DEVICE_OUT_SPEAKER_PROTECTED] = "speaker-protected", [SND_DEVICE_OUT_VOICE_SPEAKER_PROTECTED] = "voice-speaker-protected", /* Capture sound devices */ [SND_DEVICE_IN_HANDSET_MIC] = "handset-mic", [SND_DEVICE_IN_HANDSET_MIC_EXTERNAL] = "handset-mic-ext", [SND_DEVICE_IN_HANDSET_MIC_AEC] = "handset-mic", [SND_DEVICE_IN_HANDSET_MIC_NS] = "handset-mic", [SND_DEVICE_IN_HANDSET_MIC_AEC_NS] = "handset-mic", [SND_DEVICE_IN_HANDSET_DMIC] = "dmic-endfire", [SND_DEVICE_IN_HANDSET_DMIC_AEC] = "dmic-endfire", [SND_DEVICE_IN_HANDSET_DMIC_NS] = "dmic-endfire", [SND_DEVICE_IN_HANDSET_DMIC_AEC_NS] = "dmic-endfire", [SND_DEVICE_IN_SPEAKER_MIC] = "speaker-mic", [SND_DEVICE_IN_SPEAKER_MIC_AEC] = "speaker-mic", [SND_DEVICE_IN_SPEAKER_MIC_NS] = "speaker-mic", [SND_DEVICE_IN_SPEAKER_MIC_AEC_NS] = "speaker-mic", [SND_DEVICE_IN_SPEAKER_DMIC] = "speaker-dmic-endfire", [SND_DEVICE_IN_SPEAKER_DMIC_AEC] = "speaker-dmic-endfire", [SND_DEVICE_IN_SPEAKER_DMIC_NS] = "speaker-dmic-endfire", [SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS] = "speaker-dmic-endfire", [SND_DEVICE_IN_HEADSET_MIC] = "headset-mic", [SND_DEVICE_IN_HEADSET_MIC_FLUENCE] = "headset-mic", [SND_DEVICE_IN_VOICE_SPEAKER_MIC] = "voice-speaker-mic", [SND_DEVICE_IN_VOICE_SPEAKER_MIC_HFP] = "voice-speaker-mic-hfp", [SND_DEVICE_IN_VOICE_HEADSET_MIC] = "voice-headset-mic", [SND_DEVICE_IN_HDMI_MIC] = "hdmi-mic", [SND_DEVICE_IN_BT_SCO_MIC] = "bt-sco-mic", [SND_DEVICE_IN_BT_SCO_MIC_NREC] = "bt-sco-mic", [SND_DEVICE_IN_BT_SCO_MIC_WB] = "bt-sco-mic-wb", [SND_DEVICE_IN_BT_SCO_MIC_WB_NREC] = "bt-sco-mic-wb", [SND_DEVICE_IN_CAMCORDER_MIC] = "camcorder-mic", [SND_DEVICE_IN_VOICE_DMIC] = "voice-dmic-ef", [SND_DEVICE_IN_VOICE_SPEAKER_DMIC] = "voice-speaker-dmic-ef", [SND_DEVICE_IN_VOICE_SPEAKER_QMIC] = "voice-speaker-qmic", [SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC] = "voice-tty-full-headset-mic", [SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC] = "voice-tty-vco-handset-mic", [SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC] = "voice-tty-hco-headset-mic", [SND_DEVICE_IN_VOICE_REC_MIC] = "voice-rec-mic", [SND_DEVICE_IN_VOICE_REC_MIC_NS] = "voice-rec-mic", [SND_DEVICE_IN_VOICE_REC_DMIC_STEREO] = "voice-rec-dmic-ef", [SND_DEVICE_IN_VOICE_REC_DMIC_FLUENCE] = "voice-rec-dmic-ef-fluence", [SND_DEVICE_IN_VOICE_RX] = "voice-rx", [SND_DEVICE_IN_USB_HEADSET_MIC] = "usb-headset-mic", [SND_DEVICE_IN_CAPTURE_FM] = "capture-fm", [SND_DEVICE_IN_AANC_HANDSET_MIC] = "aanc-handset-mic", [SND_DEVICE_IN_QUAD_MIC] = "quad-mic", [SND_DEVICE_IN_HANDSET_STEREO_DMIC] = "handset-stereo-dmic-ef", [SND_DEVICE_IN_SPEAKER_STEREO_DMIC] = "speaker-stereo-dmic-ef", [SND_DEVICE_IN_CAPTURE_VI_FEEDBACK] = "vi-feedback", [SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BROADSIDE] = "voice-speaker-dmic-broadside", [SND_DEVICE_IN_SPEAKER_DMIC_BROADSIDE] = "speaker-dmic-broadside", [SND_DEVICE_IN_SPEAKER_DMIC_AEC_BROADSIDE] = "speaker-dmic-broadside", [SND_DEVICE_IN_SPEAKER_DMIC_NS_BROADSIDE] = "speaker-dmic-broadside", [SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS_BROADSIDE] = "speaker-dmic-broadside", [SND_DEVICE_IN_HANDSET_QMIC] = "quad-mic", [SND_DEVICE_IN_SPEAKER_QMIC_AEC] = "quad-mic", [SND_DEVICE_IN_SPEAKER_QMIC_NS] = "quad-mic", [SND_DEVICE_IN_SPEAKER_QMIC_AEC_NS] = "quad-mic", }; /* ACDB IDs (audio DSP path configuration IDs) for each sound device */ static int acdb_device_table[SND_DEVICE_MAX] = { [SND_DEVICE_NONE] = -1, [SND_DEVICE_OUT_HANDSET] = 7, [SND_DEVICE_OUT_SPEAKER] = 14, [SND_DEVICE_OUT_SPEAKER_REVERSE] = 14, [SND_DEVICE_OUT_LINE] = 10, [SND_DEVICE_OUT_HEADPHONES] = 10, [SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES] = 10, [SND_DEVICE_OUT_SPEAKER_AND_LINE] = 10, [SND_DEVICE_OUT_VOICE_HANDSET] = 7, [SND_DEVICE_OUT_VOICE_HAC_HANDSET] = 53, [SND_DEVICE_OUT_VOICE_LINE] = 10, [SND_DEVICE_OUT_VOICE_SPEAKER] = 14, [SND_DEVICE_OUT_VOICE_HEADPHONES] = 10, [SND_DEVICE_OUT_HDMI] = 18, [SND_DEVICE_OUT_SPEAKER_AND_HDMI] = 14, [SND_DEVICE_OUT_BT_SCO] = 22, [SND_DEVICE_OUT_BT_SCO_WB] = 39, [SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES] = 17, [SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES] = 17, [SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET] = 37, [SND_DEVICE_OUT_VOICE_TX] = 45, [SND_DEVICE_OUT_AFE_PROXY] = 0, [SND_DEVICE_OUT_USB_HEADSET] = 45, [SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET] = 14, [SND_DEVICE_OUT_SPEAKER_PROTECTED] = 124, [SND_DEVICE_OUT_VOICE_SPEAKER_PROTECTED] = 101, [SND_DEVICE_OUT_VOICE_SPEAKER_HFP] = 140, [SND_DEVICE_IN_HANDSET_MIC] = 4, [SND_DEVICE_IN_HANDSET_MIC_EXTERNAL] = 4, [SND_DEVICE_IN_HANDSET_MIC_AEC] = 106, [SND_DEVICE_IN_HANDSET_MIC_NS] = 107, [SND_DEVICE_IN_HANDSET_MIC_AEC_NS] = 108, [SND_DEVICE_IN_HANDSET_DMIC] = 41, [SND_DEVICE_IN_HANDSET_DMIC_AEC] = 109, [SND_DEVICE_IN_HANDSET_DMIC_NS] = 110, [SND_DEVICE_IN_HANDSET_DMIC_AEC_NS] = 111, [SND_DEVICE_IN_SPEAKER_MIC] = 11, [SND_DEVICE_IN_SPEAKER_MIC_AEC] = 112, [SND_DEVICE_IN_SPEAKER_MIC_NS] = 113, [SND_DEVICE_IN_SPEAKER_MIC_AEC_NS] = 114, [SND_DEVICE_IN_SPEAKER_DMIC] = 43, [SND_DEVICE_IN_SPEAKER_DMIC_AEC] = 115, [SND_DEVICE_IN_SPEAKER_DMIC_NS] = 116, [SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS] = 117, [SND_DEVICE_IN_HEADSET_MIC] = 8, [SND_DEVICE_IN_HEADSET_MIC_FLUENCE] = 47, [SND_DEVICE_IN_VOICE_SPEAKER_MIC] = 11, [SND_DEVICE_IN_VOICE_HEADSET_MIC] = 8, [SND_DEVICE_IN_HDMI_MIC] = 4, [SND_DEVICE_IN_BT_SCO_MIC] = 21, [SND_DEVICE_IN_BT_SCO_MIC_NREC] = 122, [SND_DEVICE_IN_BT_SCO_MIC_WB] = 38, [SND_DEVICE_IN_BT_SCO_MIC_WB_NREC] = 123, [SND_DEVICE_IN_CAMCORDER_MIC] = 4, [SND_DEVICE_IN_VOICE_DMIC] = 41, [SND_DEVICE_IN_VOICE_SPEAKER_MIC_HFP] = 141, [SND_DEVICE_IN_VOICE_SPEAKER_DMIC] = 43, [SND_DEVICE_IN_VOICE_SPEAKER_QMIC] = 19, [SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC] = 16, [SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC] = 36, [SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC] = 16, [SND_DEVICE_IN_VOICE_REC_MIC] = 4, [SND_DEVICE_IN_VOICE_REC_MIC_NS] = 107, [SND_DEVICE_IN_VOICE_REC_DMIC_STEREO] = 34, [SND_DEVICE_IN_VOICE_REC_DMIC_FLUENCE] = 41, [SND_DEVICE_IN_VOICE_RX] = 44, [SND_DEVICE_IN_USB_HEADSET_MIC] = 44, [SND_DEVICE_IN_CAPTURE_FM] = 0, [SND_DEVICE_IN_AANC_HANDSET_MIC] = 104, [SND_DEVICE_IN_QUAD_MIC] = 46, [SND_DEVICE_IN_HANDSET_STEREO_DMIC] = 34, [SND_DEVICE_IN_SPEAKER_STEREO_DMIC] = 35, [SND_DEVICE_IN_CAPTURE_VI_FEEDBACK] = 102, [SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BROADSIDE] = 12, [SND_DEVICE_IN_SPEAKER_DMIC_BROADSIDE] = 12, [SND_DEVICE_IN_SPEAKER_DMIC_AEC_BROADSIDE] = 119, [SND_DEVICE_IN_SPEAKER_DMIC_NS_BROADSIDE] = 121, [SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS_BROADSIDE] = 120, [SND_DEVICE_IN_HANDSET_QMIC] = 125, [SND_DEVICE_IN_SPEAKER_QMIC_AEC] = 126, [SND_DEVICE_IN_SPEAKER_QMIC_NS] = 127, [SND_DEVICE_IN_SPEAKER_QMIC_AEC_NS] = 129, }; struct name_to_index { char name[100]; unsigned int index; }; #define TO_NAME_INDEX(X) #X, X /* Used to get index from parsed sting */ static struct name_to_index snd_device_name_index[SND_DEVICE_MAX] = { {TO_NAME_INDEX(SND_DEVICE_OUT_HANDSET)}, {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER)}, {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_REVERSE)}, {TO_NAME_INDEX(SND_DEVICE_OUT_HEADPHONES)}, {TO_NAME_INDEX(SND_DEVICE_OUT_LINE)}, {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES)}, {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_AND_LINE)}, {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_HANDSET)}, {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_HAC_HANDSET)}, {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_SPEAKER)}, {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_SPEAKER_HFP)}, {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_HEADPHONES)}, {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_LINE)}, {TO_NAME_INDEX(SND_DEVICE_OUT_HDMI)}, {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_AND_HDMI)}, {TO_NAME_INDEX(SND_DEVICE_OUT_BT_SCO)}, {TO_NAME_INDEX(SND_DEVICE_OUT_BT_SCO_WB)}, {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES)}, {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES)}, {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET)}, {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_TX)}, {TO_NAME_INDEX(SND_DEVICE_OUT_AFE_PROXY)}, {TO_NAME_INDEX(SND_DEVICE_OUT_USB_HEADSET)}, {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET)}, {TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_PROTECTED)}, {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_SPEAKER_PROTECTED)}, {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_MIC)}, {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_MIC_EXTERNAL)}, {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_MIC_AEC)}, {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_MIC_NS)}, {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_MIC_AEC_NS)}, {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_DMIC)}, {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_DMIC_AEC)}, {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_DMIC_NS)}, {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_DMIC_AEC_NS)}, {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_MIC)}, {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_MIC_AEC)}, {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_MIC_NS)}, {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_MIC_AEC_NS)}, {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_DMIC)}, {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_DMIC_AEC)}, {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_DMIC_NS)}, {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS)}, {TO_NAME_INDEX(SND_DEVICE_IN_HEADSET_MIC)}, {TO_NAME_INDEX(SND_DEVICE_IN_HEADSET_MIC_FLUENCE)}, {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_SPEAKER_MIC)}, {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_SPEAKER_MIC_HFP)}, {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_HEADSET_MIC)}, {TO_NAME_INDEX(SND_DEVICE_IN_HDMI_MIC)}, {TO_NAME_INDEX(SND_DEVICE_IN_BT_SCO_MIC)}, {TO_NAME_INDEX(SND_DEVICE_IN_BT_SCO_MIC_NREC)}, {TO_NAME_INDEX(SND_DEVICE_IN_BT_SCO_MIC_WB)}, {TO_NAME_INDEX(SND_DEVICE_IN_BT_SCO_MIC_WB_NREC)}, {TO_NAME_INDEX(SND_DEVICE_IN_CAMCORDER_MIC)}, {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_DMIC)}, {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_SPEAKER_DMIC)}, {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_SPEAKER_QMIC)}, {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC)}, {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC)}, {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC)}, {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_REC_MIC)}, {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_REC_MIC_NS)}, {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_REC_DMIC_STEREO)}, {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_REC_DMIC_FLUENCE)}, {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_RX)}, {TO_NAME_INDEX(SND_DEVICE_IN_USB_HEADSET_MIC)}, {TO_NAME_INDEX(SND_DEVICE_IN_CAPTURE_FM)}, {TO_NAME_INDEX(SND_DEVICE_IN_AANC_HANDSET_MIC)}, {TO_NAME_INDEX(SND_DEVICE_IN_QUAD_MIC)}, {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_STEREO_DMIC)}, {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_STEREO_DMIC)}, {TO_NAME_INDEX(SND_DEVICE_IN_CAPTURE_VI_FEEDBACK)}, {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BROADSIDE)}, {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_DMIC_BROADSIDE)}, {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_DMIC_AEC_BROADSIDE)}, {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_DMIC_NS_BROADSIDE)}, {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS_BROADSIDE)}, {TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_QMIC)}, {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_QMIC_AEC)}, {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_QMIC_NS)}, {TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_QMIC_AEC_NS)}, }; static char * backend_table[SND_DEVICE_MAX] = {0}; static char * hw_interface_table[SND_DEVICE_MAX] = {0}; static struct name_to_index usecase_name_index[AUDIO_USECASE_MAX] = { {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_DEEP_BUFFER)}, {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_LOW_LATENCY)}, {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_MULTI_CH)}, {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_OFFLOAD)}, {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_ULL)}, {TO_NAME_INDEX(USECASE_AUDIO_RECORD)}, {TO_NAME_INDEX(USECASE_AUDIO_RECORD_LOW_LATENCY)}, {TO_NAME_INDEX(USECASE_VOICE_CALL)}, {TO_NAME_INDEX(USECASE_VOICE2_CALL)}, {TO_NAME_INDEX(USECASE_VOLTE_CALL)}, {TO_NAME_INDEX(USECASE_QCHAT_CALL)}, {TO_NAME_INDEX(USECASE_VOWLAN_CALL)}, {TO_NAME_INDEX(USECASE_VOICEMMODE1_CALL)}, {TO_NAME_INDEX(USECASE_VOICEMMODE2_CALL)}, {TO_NAME_INDEX(USECASE_AUDIO_HFP_SCO)}, {TO_NAME_INDEX(USECASE_AUDIO_SPKR_CALIB_TX)}, }; #define DEEP_BUFFER_PLATFORM_DELAY (29*1000LL) #define LOW_LATENCY_PLATFORM_DELAY (13*1000LL) static void query_platform(const char *snd_card_name, char *mixer_xml_path) { if (!strncmp(snd_card_name, "msm8x16-snd-card-mtp", sizeof("msm8x16-snd-card-mtp"))) { strlcpy(mixer_xml_path, MIXER_XML_PATH_MTP, sizeof(MIXER_XML_PATH_MTP)); } else if (!strncmp(snd_card_name, "msm8909-pm8916-snd-card", sizeof("msm8909-pm8916-snd-card"))) { strlcpy(mixer_xml_path, MIXER_XML_PATH_MSM8909_PM8916, sizeof(MIXER_XML_PATH_MSM8909_PM8916)); } else if (!strncmp(snd_card_name, "msm8952-snd-card-mtp", sizeof("msm8952-snd-card-mtp"))) { strlcpy(mixer_xml_path, MIXER_XML_PATH_MTP, sizeof(MIXER_XML_PATH_MTP)); } else if (!strncmp(snd_card_name, "msm8952-l9300-snd-card", sizeof("msm8952-l9300-snd-card"))) { strlcpy(mixer_xml_path, MIXER_XML_PATH_L9300, sizeof(MIXER_XML_PATH_L9300)); } else { strlcpy(mixer_xml_path, MIXER_XML_PATH, sizeof(MIXER_XML_PATH)); } } static pthread_once_t check_op_once_ctl = PTHREAD_ONCE_INIT; static bool is_tmus = false; static void check_operator() { char value[PROPERTY_VALUE_MAX]; int mccmnc; property_get("gsm.sim.operator.numeric",value,"0"); mccmnc = atoi(value); ALOGD("%s: tmus mccmnc %d", __func__, mccmnc); switch(mccmnc) { /* TMUS MCC(310), MNC(490, 260, 026) */ case 310490: case 310260: case 310026: /* Add new TMUS MNC(800, 660, 580, 310, 270, 250, 240, 230, 220, 210, 200, 160) */ case 310800: case 310660: case 310580: case 310310: case 310270: case 310250: case 310240: case 310230: case 310220: case 310210: case 310200: case 310160: is_tmus = true; break; } } bool is_operator_tmus() { pthread_once(&check_op_once_ctl, check_operator); return is_tmus; } static char *get_current_operator() { struct listnode *node; struct operator_info *info_item; char mccmnc[PROPERTY_VALUE_MAX]; char *ret = NULL; property_get("gsm.sim.operator.numeric",mccmnc,"00000"); list_for_each(node, &operator_info_list) { info_item = node_to_item(node, struct operator_info, list); if (strstr(info_item->mccmnc, mccmnc) != NULL) { ret = info_item->name; } } return ret; } static struct operator_specific_device *get_operator_specific_device(snd_device_t snd_device) { struct listnode *node; struct operator_specific_device *ret = NULL; struct operator_specific_device *device_item; char *operator_name; operator_name = get_current_operator(); if (operator_name == NULL) return ret; list_for_each(node, operator_specific_device_table[snd_device]) { device_item = node_to_item(node, struct operator_specific_device, list); if (strcmp(operator_name, device_item->operator) == 0) { ret = device_item; } } return ret; } static int get_operator_specific_device_acdb_id(snd_device_t snd_device) { struct operator_specific_device *device; int ret = acdb_device_table[snd_device]; device = get_operator_specific_device(snd_device); if (device != NULL) ret = device->acdb_id; return ret; } static const char *get_operator_specific_device_mixer_path(snd_device_t snd_device) { struct operator_specific_device *device; const char *ret = device_table[snd_device]; device = get_operator_specific_device(snd_device); if (device != NULL) ret = device->mixer_path; return ret; } bool platform_send_gain_dep_cal(void *platform __unused, int level __unused) { return true; } void platform_set_echo_reference(struct audio_device *adev, bool enable, audio_devices_t out_device) { struct platform_data *my_data = (struct platform_data *)adev->platform; snd_device_t snd_device = SND_DEVICE_NONE; if (strcmp(my_data->ec_ref_mixer_path, "")) { ALOGV("%s: disabling %s", __func__, my_data->ec_ref_mixer_path); audio_route_reset_and_update_path(adev->audio_route, my_data->ec_ref_mixer_path); } if (enable) { if (out_device != AUDIO_DEVICE_NONE) { snd_device = platform_get_output_snd_device(adev->platform, out_device); platform_add_backend_name(adev->platform, my_data->ec_ref_mixer_path, snd_device); } strlcpy(my_data->ec_ref_mixer_path, "echo-reference", sizeof(my_data->ec_ref_mixer_path)); ALOGD("%s: enabling %s", __func__, my_data->ec_ref_mixer_path); audio_route_apply_and_update_path(adev->audio_route, my_data->ec_ref_mixer_path); } } static void set_platform_defaults() { int32_t dev; for (dev = 0; dev < SND_DEVICE_MAX; dev++) { backend_table[dev] = NULL; hw_interface_table[dev] = NULL; } // TBD - do these go to the platform-info.xml file. // will help in avoiding strdups here backend_table[SND_DEVICE_IN_BT_SCO_MIC] = strdup("bt-sco"); backend_table[SND_DEVICE_IN_BT_SCO_MIC_WB] = strdup("bt-sco-wb"); backend_table[SND_DEVICE_IN_BT_SCO_MIC_NREC] = strdup("bt-sco"); backend_table[SND_DEVICE_IN_BT_SCO_MIC_WB_NREC] = strdup("bt-sco-wb"); backend_table[SND_DEVICE_OUT_BT_SCO] = strdup("bt-sco"); backend_table[SND_DEVICE_OUT_BT_SCO_WB] = strdup("bt-sco-wb"); backend_table[SND_DEVICE_OUT_HDMI] = strdup("hdmi"); backend_table[SND_DEVICE_OUT_SPEAKER_AND_HDMI] = strdup("speaker-and-hdmi"); backend_table[SND_DEVICE_OUT_VOICE_TX] = strdup("afe-proxy"); backend_table[SND_DEVICE_IN_VOICE_RX] = strdup("afe-proxy"); backend_table[SND_DEVICE_OUT_AFE_PROXY] = strdup("afe-proxy"); backend_table[SND_DEVICE_OUT_USB_HEADSET] = strdup("usb-headphones"); backend_table[SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET] = strdup("speaker-and-usb-headphones"); backend_table[SND_DEVICE_IN_USB_HEADSET_MIC] = strdup("usb-headset-mic"); backend_table[SND_DEVICE_IN_CAPTURE_FM] = strdup("capture-fm"); } void get_cvd_version(char *cvd_version, struct audio_device *adev) { struct mixer_ctl *ctl; int count; int ret = 0; ctl = mixer_get_ctl_by_name(adev->mixer, CVD_VERSION_MIXER_CTL); if (!ctl) { ALOGE("%s: Could not get ctl for mixer cmd - %s", __func__, CVD_VERSION_MIXER_CTL); goto done; } mixer_ctl_update(ctl); count = mixer_ctl_get_num_values(ctl); if (count > MAX_CVD_VERSION_STRING_SIZE) count = MAX_CVD_VERSION_STRING_SIZE -1; ret = mixer_ctl_get_array(ctl, cvd_version, count); if (ret != 0) { ALOGE("%s: ERROR! mixer_ctl_get_array() failed to get CVD Version", __func__); goto done; } done: return; } static int hw_util_open(int card_no) { int fd = -1; char dev_name[256]; snprintf(dev_name, sizeof(dev_name), "/dev/snd/hwC%uD%u", card_no, WCD9XXX_CODEC_HWDEP_NODE); ALOGD("%s Opening device %s\n", __func__, dev_name); fd = open(dev_name, O_WRONLY); if (fd < 0) { ALOGE("%s: cannot open device '%s'\n", __func__, dev_name); return fd; } ALOGD("%s success", __func__); return fd; } struct param_data { int use_case; int acdb_id; int get_size; int buff_size; int data_size; void *buff; }; static int send_codec_cal(acdb_loader_get_calibration_t acdb_loader_get_calibration, struct platform_data *plat_data __unused, int fd) { int ret = 0, type; for (type = WCD9XXX_ANC_CAL; type < WCD9XXX_MAX_CAL; type++) { struct wcdcal_ioctl_buffer codec_buffer; struct param_data calib; if (type != WCD9XXX_MBHC_CAL) continue; calib.get_size = 1; ret = acdb_loader_get_calibration(cal_name_info[type], sizeof(struct param_data), &calib); if (ret < 0) { ALOGE("%s get_calibration failed\n", __func__); return ret; } calib.get_size = 0; calib.buff = malloc(calib.buff_size); if(calib.buff == NULL) { ALOGE("%s mem allocation for %d bytes for %s failed\n" , __func__, calib.buff_size, cal_name_info[type]); return -1; } ret = acdb_loader_get_calibration(cal_name_info[type], sizeof(struct param_data), &calib); if (ret < 0) { ALOGE("%s get_calibration failed type=%s calib.size=%d\n" , __func__, cal_name_info[type], codec_buffer.size); free(calib.buff); return ret; } codec_buffer.buffer = calib.buff; codec_buffer.size = calib.data_size; codec_buffer.cal_type = type; if (ioctl(fd, SNDRV_CTL_IOCTL_HWDEP_CAL_TYPE, &codec_buffer) < 0) ALOGE("Failed to call ioctl for %s err=%d calib.size=%d", cal_name_info[type], errno, codec_buffer.size); ALOGD("%s cal sent for %s calib.size=%d" , __func__, cal_name_info[type], codec_buffer.size); free(calib.buff); } return ret; } static void audio_hwdep_send_cal(struct platform_data *plat_data) { int fd; fd = hw_util_open(plat_data->adev->snd_card); if (fd == -1) { ALOGE("%s error open\n", __func__); return; } acdb_loader_get_calibration = (acdb_loader_get_calibration_t) dlsym(plat_data->acdb_handle, "acdb_loader_get_calibration"); if (acdb_loader_get_calibration == NULL) { ALOGE("%s: ERROR. dlsym Error:%s acdb_loader_get_calibration", __func__, dlerror()); return; } if (send_codec_cal(acdb_loader_get_calibration, plat_data, fd) < 0) ALOGE("%s: Could not send anc cal", __FUNCTION__); } int platform_acdb_init(void *platform) { struct platform_data *my_data = (struct platform_data *)platform; char *cvd_version = NULL; int key = 0; const char *snd_card_name; int result; char value[PROPERTY_VALUE_MAX]; cvd_version = calloc(1, MAX_CVD_VERSION_STRING_SIZE); if (!cvd_version) ALOGE("Failed to allocate cvd version"); else get_cvd_version(cvd_version, my_data->adev); property_get("audio.ds1.metainfo.key",value,"0"); key = atoi(value); snd_card_name = mixer_get_name(my_data->adev->mixer); result = my_data->acdb_init(snd_card_name, cvd_version, key); if (cvd_version) free(cvd_version); if (!result) { ALOGD("ACDB initialized"); audio_hwdep_send_cal(my_data); } else { ALOGD("ACDB initialization failed"); } return result; } void *platform_init(struct audio_device *adev) { char platform[PROPERTY_VALUE_MAX] = {0}; char baseband[PROPERTY_VALUE_MAX] = {0}; char value[PROPERTY_VALUE_MAX] = {0}; struct platform_data *my_data = NULL; int retry_num = 0, snd_card_num = 0, key = 0; const char *snd_card_name; char mixer_xml_path[MAX_MIXER_XML_PATH] = {0}; char ffspEnable[PROPERTY_VALUE_MAX] = {0}; char *cvd_version = NULL; int idx; my_data = calloc(1, sizeof(struct platform_data)); if (!my_data) { ALOGE("failed to allocate platform data"); return NULL; } list_init(&operator_info_list); bool card_verifed[MAX_SND_CARD] = {0}; const int retry_limit = property_get_int32("audio.snd_card.open.retries", RETRY_NUMBER); for (;;) { if (snd_card_num >= MAX_SND_CARD) { if (retry_num++ >= retry_limit) { ALOGE("%s: Unable to find correct sound card, aborting.", __func__); free(my_data); my_data = NULL; return NULL; } snd_card_num = 0; usleep(RETRY_US); continue; } if (card_verifed[snd_card_num]) { ++snd_card_num; continue; } adev->mixer = mixer_open(snd_card_num); if (!adev->mixer) { ALOGE("%s: Unable to open the mixer card: %d", __func__, snd_card_num); ++snd_card_num; continue; } card_verifed[snd_card_num] = true; snd_card_name = mixer_get_name(adev->mixer); ALOGV("%s: snd_card_name: %s", __func__, snd_card_name); my_data->hw_info = hw_info_init(snd_card_name); if (!my_data->hw_info) { ALOGE("%s: Failed to init hardware info", __func__); } else { query_platform(snd_card_name, mixer_xml_path); ALOGD("%s: mixer path file is %s", __func__, mixer_xml_path); adev->audio_route = audio_route_init(snd_card_num, mixer_xml_path); if (!adev->audio_route) { ALOGE("%s: Failed to init audio route controls, aborting.", __func__); hw_info_deinit(my_data->hw_info); my_data->hw_info = NULL; free(my_data); my_data = NULL; mixer_close(adev->mixer); adev->mixer = NULL; return NULL; } adev->snd_card = snd_card_num; ALOGD("%s: Opened sound card:%d", __func__, snd_card_num); break; } ++snd_card_num; mixer_close(adev->mixer); adev->mixer = NULL; } //set max volume step for voice call property_get("ro.config.vc_call_vol_steps", value, TOSTRING(MAX_VOL_INDEX)); my_data->max_vol_index = atoi(value); my_data->adev = adev; my_data->fluence_in_spkr_mode = false; my_data->fluence_in_voice_call = false; my_data->fluence_in_voice_rec = false; my_data->fluence_type = FLUENCE_NONE; my_data->fluence_mode = FLUENCE_ENDFIRE; property_get("ro.qc.sdk.audio.fluencetype", my_data->fluence_cap, ""); if (!strncmp("fluencepro", my_data->fluence_cap, sizeof("fluencepro"))) { my_data->fluence_type = FLUENCE_QUAD_MIC | FLUENCE_DUAL_MIC; } else if (!strncmp("fluence", my_data->fluence_cap, sizeof("fluence"))) { my_data->fluence_type = FLUENCE_DUAL_MIC; } else { my_data->fluence_type = FLUENCE_NONE; } if (my_data->fluence_type != FLUENCE_NONE) { property_get("persist.audio.fluence.voicecall",value,""); if (!strncmp("true", value, sizeof("true"))) { my_data->fluence_in_voice_call = true; } property_get("persist.audio.fluence.voicerec",value,""); if (!strncmp("true", value, sizeof("true"))) { my_data->fluence_in_voice_rec = true; } property_get("persist.audio.fluence.speaker",value,""); if (!strncmp("true", value, sizeof("true"))) { my_data->fluence_in_spkr_mode = true; } property_get("persist.audio.fluence.mode",value,""); if (!strncmp("broadside", value, sizeof("broadside"))) { my_data->fluence_mode = FLUENCE_BROADSIDE; } } property_get("persist.audio.FFSP.enable", ffspEnable, ""); if (!strncmp("true", ffspEnable, sizeof("true"))) { acdb_device_table[SND_DEVICE_OUT_SPEAKER] = 131; acdb_device_table[SND_DEVICE_OUT_SPEAKER_REVERSE] = 131; acdb_device_table[SND_DEVICE_OUT_SPEAKER_AND_HDMI] = 131; acdb_device_table[SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET] = 131; } my_data->acdb_handle = dlopen(LIB_ACDB_LOADER, RTLD_NOW); if (my_data->acdb_handle == NULL) { ALOGE("%s: DLOPEN failed for %s", __func__, LIB_ACDB_LOADER); } else { ALOGV("%s: DLOPEN successful for %s", __func__, LIB_ACDB_LOADER); my_data->acdb_deallocate = (acdb_deallocate_t)dlsym(my_data->acdb_handle, "acdb_loader_deallocate_ACDB"); if (!my_data->acdb_deallocate) ALOGE("%s: Could not find the symbol acdb_loader_deallocate_ACDB from %s", __func__, LIB_ACDB_LOADER); my_data->acdb_send_audio_cal_v3 = (acdb_send_audio_cal_v3_t)dlsym(my_data->acdb_handle, "acdb_loader_send_audio_cal_v3"); if (!my_data->acdb_send_audio_cal_v3) ALOGE("%s: Could not find the symbol acdb_send_audio_cal from %s", __func__, LIB_ACDB_LOADER); my_data->acdb_send_audio_cal = (acdb_send_audio_cal_t)dlsym(my_data->acdb_handle, "acdb_loader_send_audio_cal"); if (!my_data->acdb_send_audio_cal) ALOGE("%s: Could not find the symbol acdb_send_audio_cal from %s", __func__, LIB_ACDB_LOADER); my_data->acdb_send_voice_cal = (acdb_send_voice_cal_t)dlsym(my_data->acdb_handle, "acdb_loader_send_voice_cal"); if (!my_data->acdb_send_voice_cal) ALOGE("%s: Could not find the symbol acdb_loader_send_voice_cal from %s", __func__, LIB_ACDB_LOADER); my_data->acdb_reload_vocvoltable = (acdb_reload_vocvoltable_t)dlsym(my_data->acdb_handle, "acdb_loader_reload_vocvoltable"); if (!my_data->acdb_reload_vocvoltable) ALOGE("%s: Could not find the symbol acdb_loader_reload_vocvoltable from %s", __func__, LIB_ACDB_LOADER); my_data->acdb_init = (acdb_init_v2_cvd_t)dlsym(my_data->acdb_handle, "acdb_loader_init_v2"); if (my_data->acdb_init == NULL) { ALOGE("%s: dlsym error %s for acdb_loader_init_v2", __func__, dlerror()); goto acdb_init_fail; } platform_acdb_init(my_data); } acdb_init_fail: set_platform_defaults(); /* Initialize ACDB and PCM ID's */ platform_info_init(PLATFORM_INFO_XML_PATH, my_data); /* Read one time ssr property */ audio_extn_spkr_prot_init(adev); return my_data; } void platform_deinit(void *platform) { struct platform_data *my_data = (struct platform_data *)platform; int32_t dev; struct operator_info *info_item; struct operator_specific_device *device_item; struct listnode *node; hw_info_deinit(my_data->hw_info); for (dev = 0; dev < SND_DEVICE_MAX; dev++) { if (backend_table[dev]) { free(backend_table[dev]); backend_table[dev]= NULL; } if (operator_specific_device_table[dev]) { while (!list_empty(operator_specific_device_table[dev])) { node = list_head(operator_specific_device_table[dev]); list_remove(node); device_item = node_to_item(node, struct operator_specific_device, list); free(device_item->operator); free(device_item->mixer_path); free(device_item); } free(operator_specific_device_table[dev]); } } while (!list_empty(&operator_info_list)) { node = list_head(&operator_info_list); list_remove(node); info_item = node_to_item(node, struct operator_info, list); free(info_item->name); free(info_item->mccmnc); free(info_item); } mixer_close(my_data->adev->mixer); free(platform); } const char *platform_get_snd_device_name(snd_device_t snd_device) { if (snd_device >= SND_DEVICE_MIN && snd_device < SND_DEVICE_MAX) { if (operator_specific_device_table[snd_device] != NULL) { return get_operator_specific_device_mixer_path(snd_device); } return device_table[snd_device]; } else return "none"; } int platform_get_snd_device_name_extn(void *platform, snd_device_t snd_device, char *device_name) { struct platform_data *my_data = (struct platform_data *)platform; if (platform == NULL) { ALOGW("%s: something wrong, use legacy get_snd_device name", __func__); strlcpy(device_name, platform_get_snd_device_name(snd_device), DEVICE_NAME_MAX_SIZE); } else if (snd_device >= SND_DEVICE_MIN && snd_device < SND_DEVICE_MAX) { if (operator_specific_device_table[snd_device] != NULL) { strlcpy(device_name, get_operator_specific_device_mixer_path(snd_device), DEVICE_NAME_MAX_SIZE); } else { strlcpy(device_name, device_table[snd_device], DEVICE_NAME_MAX_SIZE); } hw_info_append_hw_type(my_data->hw_info, snd_device, device_name); } else { strlcpy(device_name, "none", DEVICE_NAME_MAX_SIZE); return -EINVAL; } return 0; } bool platform_check_and_set_playback_backend_cfg(struct audio_device* adev __unused, struct audio_usecase *usecase __unused, snd_device_t snd_device __unused) { return false; } bool platform_check_and_set_capture_backend_cfg(struct audio_device* adev __unused, struct audio_usecase *usecase __unused, snd_device_t snd_device __unused) { return false; } bool platform_add_gain_level_mapping(struct amp_db_and_gain_table *tbl_entry __unused) { return false; } int platform_get_gain_level_mapping(struct amp_db_and_gain_table *mapping_tbl __unused, int table_size __unused) { return 0; } void platform_add_backend_name(void *platform, char *mixer_path, snd_device_t snd_device) { struct platform_data *my_data = (struct platform_data *)platform; if ((snd_device < SND_DEVICE_MIN) || (snd_device >= SND_DEVICE_MAX)) { ALOGE("%s: Invalid snd_device = %d", __func__, snd_device); return; } const char * suffix = backend_table[snd_device]; if (suffix != NULL) { strlcat(mixer_path, " ", MIXER_PATH_MAX_LENGTH); strlcat(mixer_path, suffix, MIXER_PATH_MAX_LENGTH); } } bool platform_check_backends_match(snd_device_t snd_device1, snd_device_t snd_device2) { bool result = true; ALOGV("%s: snd_device1 = %s, snd_device2 = %s", __func__, platform_get_snd_device_name(snd_device1), platform_get_snd_device_name(snd_device2)); if ((snd_device1 < SND_DEVICE_MIN) || (snd_device1 >= SND_DEVICE_MAX)) { ALOGE("%s: Invalid snd_device = %s", __func__, platform_get_snd_device_name(snd_device1)); return false; } if ((snd_device2 < SND_DEVICE_MIN) || (snd_device2 >= SND_DEVICE_MAX)) { ALOGE("%s: Invalid snd_device = %s", __func__, platform_get_snd_device_name(snd_device2)); return false; } const char * be_itf1 = hw_interface_table[snd_device1]; const char * be_itf2 = hw_interface_table[snd_device2]; if (NULL != be_itf1 && NULL != be_itf2) { if ((NULL == strstr(be_itf2, be_itf1)) && (NULL == strstr(be_itf1, be_itf2))) result = false; } ALOGV("%s: be_itf1 = %s, be_itf2 = %s, match %d", __func__, be_itf1, be_itf2, result); return result; } int platform_get_pcm_device_id(audio_usecase_t usecase, int device_type) { int device_id = -1; if (device_type == PCM_PLAYBACK) device_id = pcm_device_table[usecase][0]; else device_id = pcm_device_table[usecase][1]; return device_id; } static int find_index(struct name_to_index * table, int32_t len, const char * name) { int ret = 0; int32_t i; if (table == NULL) { ALOGE("%s: table is NULL", __func__); ret = -ENODEV; goto done; } if (name == NULL) { ALOGE("null key"); ret = -ENODEV; goto done; } for (i=0; i < len; i++) { const char* tn = table[i].name; size_t len = strlen(tn); if (strncmp(tn, name, len) == 0) { if (strlen(name) != len) { continue; // substring } ret = table[i].index; goto done; } } ALOGE("%s: Could not find index for name = %s", __func__, name); ret = -ENODEV; done: return ret; } int platform_get_snd_device_index(char *device_name) { return find_index(snd_device_name_index, SND_DEVICE_MAX, device_name); } int platform_get_usecase_index(const char *usecase_name) { return find_index(usecase_name_index, AUDIO_USECASE_MAX, usecase_name); } void platform_add_operator_specific_device(snd_device_t snd_device, const char *operator, const char *mixer_path, unsigned int acdb_id) { struct operator_specific_device *device; if (operator_specific_device_table[snd_device] == NULL) { operator_specific_device_table[snd_device] = (struct listnode *)calloc(1, sizeof(struct listnode)); list_init(operator_specific_device_table[snd_device]); } device = (struct operator_specific_device *)calloc(1, sizeof(struct operator_specific_device)); device->operator = strdup(operator); device->mixer_path = strdup(mixer_path); device->acdb_id = acdb_id; list_add_tail(operator_specific_device_table[snd_device], &device->list); ALOGD("%s: device[%s] -> operator[%s] mixer_path[%s] acdb_id[%d]", __func__, platform_get_snd_device_name(snd_device), operator, mixer_path, acdb_id); } int platform_set_snd_device_acdb_id(snd_device_t snd_device, unsigned int acdb_id) { int ret = 0; if ((snd_device < SND_DEVICE_MIN) || (snd_device >= SND_DEVICE_MAX)) { ALOGE("%s: Invalid snd_device = %d", __func__, snd_device); ret = -EINVAL; goto done; } ALOGV("%s: acdb_device_table[%s]: old = %d new = %d", __func__, platform_get_snd_device_name(snd_device), acdb_device_table[snd_device], acdb_id); acdb_device_table[snd_device] = acdb_id; done: return ret; } int platform_get_default_app_type_v2(void *platform, usecase_type_t type, int *app_type) { ALOGV("%s: platform: %p, type: %d", __func__, platform, type); int rc = 0; if (type == PCM_CAPTURE) { *app_type = DEFAULT_APP_TYPE_TX_PATH; } else if (type == PCM_PLAYBACK) { *app_type = DEFAULT_APP_TYPE_RX_PATH; } else { rc = -EINVAL; } return rc; } int platform_get_snd_device_acdb_id(snd_device_t snd_device) { if ((snd_device < SND_DEVICE_MIN) || (snd_device >= SND_DEVICE_MAX)) { ALOGE("%s: Invalid snd_device = %d", __func__, snd_device); return -EINVAL; } if (operator_specific_device_table[snd_device] != NULL) return get_operator_specific_device_acdb_id(snd_device); else return acdb_device_table[snd_device]; } int platform_send_audio_calibration(void *platform, snd_device_t snd_device) { struct platform_data *my_data = (struct platform_data *)platform; int acdb_dev_id, acdb_dev_type; int sample_rate = CODEC_BACKEND_DEFAULT_SAMPLE_RATE; acdb_dev_id = acdb_device_table[audio_extn_get_spkr_prot_snd_device(snd_device)]; if (acdb_dev_id < 0) { ALOGE("%s: Could not find acdb id for device(%d)", __func__, snd_device); return -EINVAL; } ALOGV("%s: sending audio calibration for snd_device(%d) acdb_id(%d)", __func__, snd_device, acdb_dev_id); if (snd_device >= SND_DEVICE_OUT_BEGIN && snd_device < SND_DEVICE_OUT_END) acdb_dev_type = ACDB_DEV_TYPE_OUT; else acdb_dev_type = ACDB_DEV_TYPE_IN; if ((my_data->acdb_send_audio_cal_v3) && (snd_device == SND_DEVICE_IN_VOICE_SPEAKER_MIC_HFP) && !audio_extn_tfa_98xx_is_supported() ) { /* TX path calibration */ my_data->acdb_send_audio_cal_v3(acdb_dev_id, ACDB_DEV_TYPE_IN, DEFAULT_APP_TYPE_TX_PATH, sample_rate, BUFF_IDX_0); my_data->acdb_send_audio_cal_v3(acdb_dev_id, ACDB_DEV_TYPE_OUT, DEFAULT_APP_TYPE_RX_PATH, sample_rate, BUFF_IDX_0); } else if ((my_data->acdb_send_audio_cal_v3) && (snd_device == SND_DEVICE_OUT_VOICE_SPEAKER_HFP) && !audio_extn_tfa_98xx_is_supported()) { /* RX path calibration */ ALOGV("%s: sending audio calibration for snd_device(%d) acdb_id(%d)", __func__, snd_device, acdb_dev_id); my_data->acdb_send_audio_cal_v3(acdb_dev_id, ACDB_DEV_TYPE_IN, DEFAULT_APP_TYPE_TX_PATH, sample_rate, BUFF_IDX_1); my_data->acdb_send_audio_cal_v3(acdb_dev_id, ACDB_DEV_TYPE_OUT, DEFAULT_APP_TYPE_RX_PATH, sample_rate, BUFF_IDX_1); } else if (my_data->acdb_send_audio_cal) { my_data->acdb_send_audio_cal(acdb_dev_id, acdb_dev_type); } return 0; } int platform_switch_voice_call_device_pre(void *platform __unused) { return 0; } int platform_switch_voice_call_enable_device_config(void *platform __unused, snd_device_t out_snd_device __unused, snd_device_t in_snd_device __unused) { return 0; } int platform_switch_voice_call_device_post(void *platform, snd_device_t out_snd_device, snd_device_t in_snd_device) { struct platform_data *my_data = (struct platform_data *)platform; int acdb_rx_id, acdb_tx_id; if (my_data->acdb_send_voice_cal == NULL) { ALOGE("%s: dlsym error for acdb_send_voice_call", __func__); } else { if (out_snd_device == SND_DEVICE_OUT_VOICE_SPEAKER && audio_extn_spkr_prot_is_enabled()) out_snd_device = SND_DEVICE_OUT_VOICE_SPEAKER_PROTECTED; acdb_rx_id = platform_get_snd_device_acdb_id(out_snd_device); acdb_tx_id = platform_get_snd_device_acdb_id(in_snd_device); if (acdb_rx_id > 0 && acdb_tx_id > 0) my_data->acdb_send_voice_cal(acdb_rx_id, acdb_tx_id); else ALOGE("%s: Incorrect ACDB IDs (rx: %d tx: %d)", __func__, acdb_rx_id, acdb_tx_id); } return 0; } int platform_switch_voice_call_usecase_route_post(void *platform __unused, snd_device_t out_snd_device __unused, snd_device_t in_snd_device __unused) { return 0; } int platform_start_voice_call(void *platform __unused, uint32_t vsid __unused) { return 0; } int platform_stop_voice_call(void *platform __unused, uint32_t vsid __unused) { return 0; } int platform_get_sample_rate(void *platform __unused, uint32_t *rate __unused) { return 0; } void platform_set_speaker_gain_in_combo(struct audio_device *adev __unused, snd_device_t snd_device __unused, bool enable __unused) { return; } int platform_set_voice_volume(void *platform, int volume) { struct platform_data *my_data = (struct platform_data *)platform; struct audio_device *adev = my_data->adev; struct mixer_ctl *ctl; const char *mixer_ctl_name = "Voice Rx Gain"; int vol_index = 0, ret = 0; uint32_t set_values[ ] = {0, ALL_SESSION_VSID, DEFAULT_VOLUME_RAMP_DURATION_MS}; // Voice volume levels are mapped to adsp volume levels as follows. // 100 -> 5, 80 -> 4, 60 -> 3, 40 -> 2, 20 -> 1 0 -> 0 // But this values don't changed in kernel. So, below change is need. vol_index = (int)percent_to_index(volume, MIN_VOL_INDEX, my_data->max_vol_index); set_values[0] = vol_index; ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name); if (!ctl) { ALOGE("%s: Could not get ctl for mixer cmd - %s", __func__, mixer_ctl_name); return -EINVAL; } ALOGV("Setting voice volume index: %d", set_values[0]); ret = mixer_ctl_set_array(ctl, set_values, ARRAY_SIZE(set_values)); return ret; } int platform_set_mic_mute(void *platform, bool state) { struct platform_data *my_data = (struct platform_data *)platform; struct audio_device *adev = my_data->adev; struct mixer_ctl *ctl; const char *mixer_ctl_name = "Voice Tx Mute"; int ret = 0; uint32_t set_values[ ] = {0, ALL_SESSION_VSID, DEFAULT_MUTE_RAMP_DURATION_MS}; if (audio_extn_hfp_is_active(adev)) mixer_ctl_name = "HFP TX Mute"; set_values[0] = state; ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name); if (!ctl) { ALOGE("%s: Could not get ctl for mixer cmd - %s", __func__, mixer_ctl_name); return -EINVAL; } ALOGV("Setting voice mute state: %d", state); // "HFP TX mute" mixer control has xcount of 1. if (audio_extn_hfp_is_active(adev)) ret = mixer_ctl_set_array(ctl, set_values, 1 /*count*/); else ret = mixer_ctl_set_array(ctl, set_values, ARRAY_SIZE(set_values)); return ret; } int platform_set_device_mute(void *platform, bool state, char *dir) { struct platform_data *my_data = (struct platform_data *)platform; struct audio_device *adev = my_data->adev; struct mixer_ctl *ctl; char *mixer_ctl_name = NULL; int ret = 0; uint32_t set_values[ ] = {0, ALL_SESSION_VSID, 0}; if(dir == NULL) { ALOGE("%s: Invalid direction:%s", __func__, dir); return -EINVAL; } if (!strncmp("rx", dir, sizeof("rx"))) { mixer_ctl_name = "Voice Rx Device Mute"; } else if (!strncmp("tx", dir, sizeof("tx"))) { mixer_ctl_name = "Voice Tx Device Mute"; } else { return -EINVAL; } set_values[0] = state; ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name); if (!ctl) { ALOGE("%s: Could not get ctl for mixer cmd - %s", __func__, mixer_ctl_name); return -EINVAL; } ALOGV("%s: Setting device mute state: %d, mixer ctrl:%s", __func__,state, mixer_ctl_name); mixer_ctl_set_array(ctl, set_values, ARRAY_SIZE(set_values)); return ret; } int platform_can_split_snd_device(snd_device_t snd_device, int *num_devices, snd_device_t *new_snd_devices) { int ret = -EINVAL; if (NULL == num_devices || NULL == new_snd_devices) { ALOGE("%s: NULL pointer ..", __func__); return -EINVAL; } /* * If wired headset/headphones/line devices share the same backend * with speaker/earpiece this routine -EINVAL. */ if (snd_device == SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES && !platform_check_backends_match(SND_DEVICE_OUT_SPEAKER, SND_DEVICE_OUT_HEADPHONES)) { *num_devices = 2; new_snd_devices[0] = SND_DEVICE_OUT_SPEAKER; new_snd_devices[1] = SND_DEVICE_OUT_HEADPHONES; ret = 0; } else if (snd_device == SND_DEVICE_OUT_SPEAKER_AND_LINE && !platform_check_backends_match(SND_DEVICE_OUT_SPEAKER, SND_DEVICE_OUT_LINE)) { *num_devices = 2; new_snd_devices[0] = SND_DEVICE_OUT_SPEAKER; new_snd_devices[1] = SND_DEVICE_OUT_LINE; ret = 0; } return ret; } snd_device_t platform_get_output_snd_device(void *platform, audio_devices_t devices) { struct platform_data *my_data = (struct platform_data *)platform; struct audio_device *adev = my_data->adev; audio_mode_t mode = adev->mode; snd_device_t snd_device = SND_DEVICE_NONE; audio_channel_mask_t channel_mask = (adev->active_input == NULL) ? AUDIO_CHANNEL_IN_MONO : adev->active_input->channel_mask; int channel_count = popcount(channel_mask); ALOGV("%s: enter: output devices(%#x)", __func__, devices); if (devices == AUDIO_DEVICE_NONE || devices & AUDIO_DEVICE_BIT_IN) { ALOGV("%s: Invalid output devices (%#x)", __func__, devices); goto exit; } if (popcount(devices) == 2) { if (devices == (AUDIO_DEVICE_OUT_WIRED_HEADPHONE | AUDIO_DEVICE_OUT_SPEAKER)) { snd_device = SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES; } else if (devices == (AUDIO_DEVICE_OUT_LINE | AUDIO_DEVICE_OUT_SPEAKER)) { snd_device = SND_DEVICE_OUT_SPEAKER_AND_LINE; } else if (devices == (AUDIO_DEVICE_OUT_WIRED_HEADSET | AUDIO_DEVICE_OUT_SPEAKER)) { snd_device = SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES; } else if (devices == (AUDIO_DEVICE_OUT_AUX_DIGITAL | AUDIO_DEVICE_OUT_SPEAKER)) { snd_device = SND_DEVICE_OUT_SPEAKER_AND_HDMI; } else if (devices == (AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET | AUDIO_DEVICE_OUT_SPEAKER)) { snd_device = SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET; } else { ALOGE("%s: Invalid combo device(%#x)", __func__, devices); goto exit; } if (snd_device != SND_DEVICE_NONE) { goto exit; } } if (popcount(devices) != 1) { ALOGE("%s: Invalid output devices(%#x)", __func__, devices); goto exit; } if (mode == AUDIO_MODE_IN_CALL || audio_extn_hfp_is_active(adev)) { if (devices & AUDIO_DEVICE_OUT_WIRED_HEADPHONE || devices & AUDIO_DEVICE_OUT_WIRED_HEADSET || devices & AUDIO_DEVICE_OUT_LINE) { if (adev->voice.tty_mode != TTY_MODE_OFF) { switch (adev->voice.tty_mode) { case TTY_MODE_FULL: snd_device = SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES; break; case TTY_MODE_VCO: snd_device = SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES; break; case TTY_MODE_HCO: snd_device = SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET; break; default: ALOGE("%s: Invalid TTY mode (%#x)", __func__, adev->voice.tty_mode); } } else if (devices & AUDIO_DEVICE_OUT_LINE) { snd_device = SND_DEVICE_OUT_VOICE_LINE; } else { snd_device = SND_DEVICE_OUT_VOICE_HEADPHONES; } } else if (devices & AUDIO_DEVICE_OUT_ALL_SCO) { if (adev->bt_wb_speech_enabled) snd_device = SND_DEVICE_OUT_BT_SCO_WB; else snd_device = SND_DEVICE_OUT_BT_SCO; } else if (devices & AUDIO_DEVICE_OUT_SPEAKER) { if (audio_extn_hfp_is_active(adev)) snd_device = SND_DEVICE_OUT_VOICE_SPEAKER_HFP; else snd_device = SND_DEVICE_OUT_VOICE_SPEAKER; } else if (devices & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET || devices & AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET) { snd_device = SND_DEVICE_OUT_USB_HEADSET; } else if (devices & AUDIO_DEVICE_OUT_EARPIECE) { snd_device = SND_DEVICE_OUT_VOICE_HANDSET; } else if (devices & AUDIO_DEVICE_OUT_TELEPHONY_TX) snd_device = SND_DEVICE_OUT_VOICE_TX; if (snd_device != SND_DEVICE_NONE) { goto exit; } } if (devices & AUDIO_DEVICE_OUT_WIRED_HEADPHONE || devices & AUDIO_DEVICE_OUT_WIRED_HEADSET) { snd_device = SND_DEVICE_OUT_HEADPHONES; } else if (devices & AUDIO_DEVICE_OUT_LINE) { snd_device = SND_DEVICE_OUT_LINE; } else if (devices & AUDIO_DEVICE_OUT_SPEAKER) { if (my_data->speaker_lr_swap) snd_device = SND_DEVICE_OUT_SPEAKER_REVERSE; else snd_device = SND_DEVICE_OUT_SPEAKER; } else if (devices & AUDIO_DEVICE_OUT_ALL_SCO) { if (adev->bt_wb_speech_enabled) snd_device = SND_DEVICE_OUT_BT_SCO_WB; else snd_device = SND_DEVICE_OUT_BT_SCO; } else if (devices & AUDIO_DEVICE_OUT_AUX_DIGITAL) { snd_device = SND_DEVICE_OUT_HDMI ; } else if (devices & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET || devices & AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET) { snd_device = SND_DEVICE_OUT_USB_HEADSET; } else if (devices & AUDIO_DEVICE_OUT_EARPIECE) { snd_device = SND_DEVICE_OUT_HANDSET; } else { ALOGE("%s: Unknown device(s) %#x", __func__, devices); } exit: ALOGV("%s: exit: snd_device(%s)", __func__, device_table[snd_device]); return snd_device; } snd_device_t platform_get_input_snd_device(void *platform, audio_devices_t out_device) { struct platform_data *my_data = (struct platform_data *)platform; struct audio_device *adev = my_data->adev; audio_source_t source = (adev->active_input == NULL) ? AUDIO_SOURCE_DEFAULT : adev->active_input->source; audio_mode_t mode = adev->mode; audio_devices_t in_device = ((adev->active_input == NULL) ? AUDIO_DEVICE_NONE : adev->active_input->device) & ~AUDIO_DEVICE_BIT_IN; audio_channel_mask_t channel_mask = (adev->active_input == NULL) ? AUDIO_CHANNEL_IN_MONO : adev->active_input->channel_mask; snd_device_t snd_device = SND_DEVICE_NONE; int channel_count = popcount(channel_mask); ALOGV("%s: enter: out_device(%#x) in_device(%#x)", __func__, out_device, in_device); if ((out_device != AUDIO_DEVICE_NONE) && ((mode == AUDIO_MODE_IN_CALL) || audio_extn_hfp_is_active(adev))) { if (adev->voice.tty_mode != TTY_MODE_OFF) { if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADPHONE || out_device & AUDIO_DEVICE_OUT_WIRED_HEADSET || out_device & AUDIO_DEVICE_OUT_LINE) { switch (adev->voice.tty_mode) { case TTY_MODE_FULL: snd_device = SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC; break; case TTY_MODE_VCO: snd_device = SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC; break; case TTY_MODE_HCO: snd_device = SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC; break; default: ALOGE("%s: Invalid TTY mode (%#x)", __func__, adev->voice.tty_mode); } goto exit; } } if (out_device & AUDIO_DEVICE_OUT_EARPIECE || out_device & AUDIO_DEVICE_OUT_WIRED_HEADPHONE || out_device & AUDIO_DEVICE_OUT_LINE) { if (my_data->fluence_type == FLUENCE_NONE || my_data->fluence_in_voice_call == false) { snd_device = SND_DEVICE_IN_HANDSET_MIC; if (audio_extn_hfp_is_active(adev)) platform_set_echo_reference(adev, true, out_device); } else { snd_device = SND_DEVICE_IN_VOICE_DMIC; adev->acdb_settings |= DMIC_FLAG; } } else if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADSET) { snd_device = SND_DEVICE_IN_VOICE_HEADSET_MIC; if (audio_extn_hfp_is_active(adev)) platform_set_echo_reference(adev, true, out_device); } else if (out_device & AUDIO_DEVICE_OUT_ALL_SCO) { if (adev->bt_wb_speech_enabled) { if (adev->bluetooth_nrec) snd_device = SND_DEVICE_IN_BT_SCO_MIC_WB_NREC; else snd_device = SND_DEVICE_IN_BT_SCO_MIC_WB; } else { if (adev->bluetooth_nrec) snd_device = SND_DEVICE_IN_BT_SCO_MIC_NREC; else snd_device = SND_DEVICE_IN_BT_SCO_MIC; } } else if (out_device & AUDIO_DEVICE_OUT_SPEAKER) { if (my_data->fluence_type != FLUENCE_NONE && my_data->fluence_in_voice_call && my_data->fluence_in_spkr_mode) { if(my_data->fluence_type & FLUENCE_QUAD_MIC) { adev->acdb_settings |= QMIC_FLAG; snd_device = SND_DEVICE_IN_VOICE_SPEAKER_QMIC; } else { adev->acdb_settings |= DMIC_FLAG; if (my_data->fluence_mode == FLUENCE_BROADSIDE) snd_device = SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BROADSIDE; else snd_device = SND_DEVICE_IN_VOICE_SPEAKER_DMIC; } } else { snd_device = SND_DEVICE_IN_VOICE_SPEAKER_MIC; if (audio_extn_hfp_is_active(adev)) { snd_device = SND_DEVICE_IN_VOICE_SPEAKER_MIC_HFP; platform_set_echo_reference(adev, true, out_device); } else { snd_device = SND_DEVICE_IN_VOICE_SPEAKER_MIC; } } } else if (out_device & AUDIO_DEVICE_OUT_TELEPHONY_TX) snd_device = SND_DEVICE_IN_VOICE_RX; } else if (source == AUDIO_SOURCE_CAMCORDER) { if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC || in_device & AUDIO_DEVICE_IN_BACK_MIC) { if (my_data->fluence_type & FLUENCE_DUAL_MIC && channel_count == 2) snd_device = SND_DEVICE_IN_HANDSET_STEREO_DMIC; else snd_device = SND_DEVICE_IN_CAMCORDER_MIC; } } else if (source == AUDIO_SOURCE_VOICE_RECOGNITION) { if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) { if (channel_count == 2) { snd_device = SND_DEVICE_IN_VOICE_REC_DMIC_STEREO; adev->acdb_settings |= DMIC_FLAG; } else if (adev->active_input->enable_ns) snd_device = SND_DEVICE_IN_VOICE_REC_MIC_NS; else if (my_data->fluence_type != FLUENCE_NONE && my_data->fluence_in_voice_rec) { snd_device = SND_DEVICE_IN_VOICE_REC_DMIC_FLUENCE; adev->acdb_settings |= DMIC_FLAG; } else { snd_device = SND_DEVICE_IN_VOICE_REC_MIC; } } } else if ((source == AUDIO_SOURCE_VOICE_COMMUNICATION) || (mode == AUDIO_MODE_IN_COMMUNICATION)) { if (out_device & AUDIO_DEVICE_OUT_SPEAKER) in_device = AUDIO_DEVICE_IN_BACK_MIC; if (adev->active_input) { if (my_data->fluence_type != FLUENCE_NONE && adev->active_input->enable_aec && adev->active_input->enable_ns) { if (in_device & AUDIO_DEVICE_IN_BACK_MIC) { if (my_data->fluence_in_spkr_mode) { if (my_data->fluence_type & FLUENCE_QUAD_MIC) { snd_device = SND_DEVICE_IN_SPEAKER_QMIC_AEC_NS; } else if (my_data->fluence_type & FLUENCE_DUAL_MIC) { if (my_data->fluence_mode == FLUENCE_BROADSIDE) snd_device = SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS_BROADSIDE; else snd_device = SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS; } adev->acdb_settings |= DMIC_FLAG; } else snd_device = SND_DEVICE_IN_SPEAKER_MIC_AEC_NS; } else if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) { if (my_data->fluence_type & FLUENCE_DUAL_MIC) { snd_device = SND_DEVICE_IN_HANDSET_DMIC_AEC_NS; adev->acdb_settings |= DMIC_FLAG; } else snd_device = SND_DEVICE_IN_HANDSET_MIC_AEC_NS; } else if (in_device & AUDIO_DEVICE_IN_WIRED_HEADSET) { snd_device = SND_DEVICE_IN_HEADSET_MIC_FLUENCE; } platform_set_echo_reference(adev, true, out_device); } else if (my_data->fluence_type != FLUENCE_NONE && adev->active_input->enable_aec) { if (in_device & AUDIO_DEVICE_IN_BACK_MIC) { if (my_data->fluence_in_spkr_mode) { if (my_data->fluence_type & FLUENCE_QUAD_MIC) { snd_device = SND_DEVICE_IN_SPEAKER_QMIC_AEC; } else if (my_data->fluence_type & FLUENCE_DUAL_MIC) { if (my_data->fluence_mode == FLUENCE_BROADSIDE) snd_device = SND_DEVICE_IN_SPEAKER_DMIC_AEC_BROADSIDE; else snd_device = SND_DEVICE_IN_SPEAKER_DMIC_AEC; } adev->acdb_settings |= DMIC_FLAG; } else snd_device = SND_DEVICE_IN_SPEAKER_MIC_AEC; } else if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) { if (my_data->fluence_type & FLUENCE_DUAL_MIC) { snd_device = SND_DEVICE_IN_HANDSET_DMIC_AEC; adev->acdb_settings |= DMIC_FLAG; } else snd_device = SND_DEVICE_IN_HANDSET_MIC_AEC; } else if (in_device & AUDIO_DEVICE_IN_WIRED_HEADSET) { snd_device = SND_DEVICE_IN_HEADSET_MIC_FLUENCE; } platform_set_echo_reference(adev, true, out_device); } else if (my_data->fluence_type != FLUENCE_NONE && adev->active_input->enable_ns) { if (in_device & AUDIO_DEVICE_IN_BACK_MIC) { if (my_data->fluence_in_spkr_mode) { if (my_data->fluence_type & FLUENCE_QUAD_MIC) { snd_device = SND_DEVICE_IN_SPEAKER_QMIC_NS; } else if (my_data->fluence_type & FLUENCE_DUAL_MIC) { if (my_data->fluence_mode == FLUENCE_BROADSIDE) snd_device = SND_DEVICE_IN_SPEAKER_DMIC_NS_BROADSIDE; else snd_device = SND_DEVICE_IN_SPEAKER_DMIC_NS; } adev->acdb_settings |= DMIC_FLAG; } else snd_device = SND_DEVICE_IN_SPEAKER_MIC_NS; } else if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) { if (my_data->fluence_type & FLUENCE_DUAL_MIC) { snd_device = SND_DEVICE_IN_HANDSET_DMIC_NS; adev->acdb_settings |= DMIC_FLAG; } else snd_device = SND_DEVICE_IN_HANDSET_MIC_NS; } else if (in_device & AUDIO_DEVICE_IN_WIRED_HEADSET) { snd_device = SND_DEVICE_IN_HEADSET_MIC_FLUENCE; } platform_set_echo_reference(adev, false, out_device); } else platform_set_echo_reference(adev, false, out_device); } } else if (source == AUDIO_SOURCE_FM_TUNER) { snd_device = SND_DEVICE_IN_CAPTURE_FM; } else if (source == AUDIO_SOURCE_DEFAULT) { goto exit; } if (snd_device != SND_DEVICE_NONE) { goto exit; } if (in_device != AUDIO_DEVICE_NONE && !(in_device & AUDIO_DEVICE_IN_VOICE_CALL) && !(in_device & AUDIO_DEVICE_IN_COMMUNICATION)) { if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) { if (my_data->fluence_type & (FLUENCE_DUAL_MIC | FLUENCE_QUAD_MIC) && channel_count == 2) snd_device = SND_DEVICE_IN_HANDSET_STEREO_DMIC; else snd_device = SND_DEVICE_IN_HANDSET_MIC; } else if (in_device & AUDIO_DEVICE_IN_BACK_MIC) { snd_device = SND_DEVICE_IN_SPEAKER_MIC; } else if (in_device & AUDIO_DEVICE_IN_WIRED_HEADSET) { snd_device = SND_DEVICE_IN_HEADSET_MIC; } else if (in_device & AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET) { if (adev->bt_wb_speech_enabled) { if (adev->bluetooth_nrec) snd_device = SND_DEVICE_IN_BT_SCO_MIC_WB_NREC; else snd_device = SND_DEVICE_IN_BT_SCO_MIC_WB; } else { if (adev->bluetooth_nrec) snd_device = SND_DEVICE_IN_BT_SCO_MIC_NREC; else snd_device = SND_DEVICE_IN_BT_SCO_MIC; } } else if (in_device & AUDIO_DEVICE_IN_AUX_DIGITAL) { snd_device = SND_DEVICE_IN_HDMI_MIC; } else if (in_device & AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET || in_device & AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET) { snd_device = SND_DEVICE_IN_USB_HEADSET_MIC; } else if (in_device & AUDIO_DEVICE_IN_FM_TUNER) { snd_device = SND_DEVICE_IN_CAPTURE_FM; } else { ALOGE("%s: Unknown input device(s) %#x", __func__, in_device); ALOGW("%s: Using default handset-mic", __func__); snd_device = SND_DEVICE_IN_HANDSET_MIC; } } else { if (out_device & AUDIO_DEVICE_OUT_EARPIECE) { snd_device = SND_DEVICE_IN_HANDSET_MIC; } else if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADSET) { snd_device = SND_DEVICE_IN_HEADSET_MIC; } else if (out_device & AUDIO_DEVICE_OUT_SPEAKER) { if (channel_count > 1) snd_device = SND_DEVICE_IN_SPEAKER_STEREO_DMIC; else snd_device = SND_DEVICE_IN_SPEAKER_MIC; } else if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADPHONE || out_device & AUDIO_DEVICE_OUT_LINE) { snd_device = SND_DEVICE_IN_HANDSET_MIC; } else if (out_device & AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET) { if (adev->bt_wb_speech_enabled) { if (adev->bluetooth_nrec) snd_device = SND_DEVICE_IN_BT_SCO_MIC_WB_NREC; else snd_device = SND_DEVICE_IN_BT_SCO_MIC_WB; } else { if (adev->bluetooth_nrec) snd_device = SND_DEVICE_IN_BT_SCO_MIC_NREC; else snd_device = SND_DEVICE_IN_BT_SCO_MIC; } } else if (out_device & AUDIO_DEVICE_OUT_AUX_DIGITAL) { snd_device = SND_DEVICE_IN_HDMI_MIC; } else if (out_device & AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET || out_device & AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET) { snd_device = SND_DEVICE_IN_USB_HEADSET_MIC; } else { ALOGE("%s: Unknown output device(s) %#x", __func__, out_device); ALOGW("%s: Using default handset-mic", __func__); snd_device = SND_DEVICE_IN_HANDSET_MIC; } } exit: ALOGV("%s: exit: in_snd_device(%s)", __func__, device_table[snd_device]); return snd_device; } int platform_set_hdmi_channels(void *platform, int channel_count) { struct platform_data *my_data = (struct platform_data *)platform; struct audio_device *adev = my_data->adev; struct mixer_ctl *ctl; const char *channel_cnt_str = NULL; const char *mixer_ctl_name = "HDMI_RX Channels"; switch (channel_count) { case 8: channel_cnt_str = "Eight"; break; case 7: channel_cnt_str = "Seven"; break; case 6: channel_cnt_str = "Six"; break; case 5: channel_cnt_str = "Five"; break; case 4: channel_cnt_str = "Four"; break; case 3: channel_cnt_str = "Three"; break; default: channel_cnt_str = "Two"; break; } ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name); if (!ctl) { ALOGE("%s: Could not get ctl for mixer cmd - %s", __func__, mixer_ctl_name); return -EINVAL; } ALOGV("HDMI channel count: %s", channel_cnt_str); mixer_ctl_set_enum_by_string(ctl, channel_cnt_str); return 0; } int platform_edid_get_max_channels(void *platform) { struct platform_data *my_data = (struct platform_data *)platform; struct audio_device *adev = my_data->adev; char block[MAX_SAD_BLOCKS * SAD_BLOCK_SIZE]; char *sad = block; int num_audio_blocks; int channel_count; int max_channels = 0; int i, ret, count; struct mixer_ctl *ctl; ctl = mixer_get_ctl_by_name(adev->mixer, AUDIO_DATA_BLOCK_MIXER_CTL); if (!ctl) { ALOGE("%s: Could not get ctl for mixer cmd - %s", __func__, AUDIO_DATA_BLOCK_MIXER_CTL); return 0; } mixer_ctl_update(ctl); count = mixer_ctl_get_num_values(ctl); /* Read SAD blocks, clamping the maximum size for safety */ if (count > (int)sizeof(block)) count = (int)sizeof(block); ret = mixer_ctl_get_array(ctl, block, count); if (ret != 0) { ALOGE("%s: mixer_ctl_get_array() failed to get EDID info", __func__); return 0; } /* Calculate the number of SAD blocks */ num_audio_blocks = count / SAD_BLOCK_SIZE; for (i = 0; i < num_audio_blocks; i++) { /* Only consider LPCM blocks */ if ((sad[0] >> 3) != EDID_FORMAT_LPCM) { sad += 3; continue; } channel_count = (sad[0] & 0x7) + 1; if (channel_count > max_channels) max_channels = channel_count; /* Advance to next block */ sad += 3; } return max_channels; } int platform_set_incall_recording_session_id(void *platform, uint32_t session_id, int rec_mode __unused) { int ret = 0; struct platform_data *my_data = (struct platform_data *)platform; struct audio_device *adev = my_data->adev; struct mixer_ctl *ctl; const char *mixer_ctl_name = "Voc VSID"; int num_ctl_values; int i; ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name); if (!ctl) { ALOGE("%s: Could not get ctl for mixer cmd - %s", __func__, mixer_ctl_name); ret = -EINVAL; } else { num_ctl_values = mixer_ctl_get_num_values(ctl); for (i = 0; i < num_ctl_values; i++) { if (mixer_ctl_set_value(ctl, i, session_id)) { ALOGV("Error: invalid session_id: %x", session_id); ret = -EINVAL; break; } } } return ret; } int platform_stop_incall_recording_usecase(void *platform __unused) { return 0; } int platform_start_incall_music_usecase(void *platform __unused) { return 0; } int platform_stop_incall_music_usecase(void *platform __unused) { return 0; } int platform_set_parameters(void *platform, struct str_parms *parms) { struct platform_data *my_data = (struct platform_data *)platform; char value[128]; char *kv_pairs = str_parms_to_str(parms); int ret = 0, err; if (kv_pairs == NULL) { ret = -EINVAL; ALOGE("%s: key-value pair is NULL",__func__); goto done; } ALOGV("%s: enter: %s", __func__, kv_pairs); err = str_parms_get_str(parms, PLATFORM_CONFIG_KEY_OPERATOR_INFO, value, sizeof(value)); if (err >= 0) { struct operator_info *info; char *str = value; char *name; str_parms_del(parms, PLATFORM_CONFIG_KEY_OPERATOR_INFO); info = (struct operator_info *)calloc(1, sizeof(struct operator_info)); name = strtok(str, ";"); info->name = strdup(name); info->mccmnc = strdup(str + strlen(name) + 1); list_add_tail(&operator_info_list, &info->list); ALOGV("%s: add operator[%s] mccmnc[%s]", __func__, info->name, info->mccmnc); } audio_extn_hfp_set_parameters(my_data->adev, parms); done: ALOGV("%s: exit with code(%d)", __func__, ret); if (kv_pairs != NULL) free(kv_pairs); return ret; } /* Delay in Us */ int64_t platform_render_latency(audio_usecase_t usecase) { switch (usecase) { case USECASE_AUDIO_PLAYBACK_DEEP_BUFFER: return DEEP_BUFFER_PLATFORM_DELAY; case USECASE_AUDIO_PLAYBACK_LOW_LATENCY: return LOW_LATENCY_PLATFORM_DELAY; default: return 0; } } int platform_set_snd_device_backend(snd_device_t device, const char *backend, const char * hw_interface) { int ret = 0; if ((device < SND_DEVICE_MIN) || (device >= SND_DEVICE_MAX)) { ALOGE("%s: Invalid snd_device = %d", __func__, device); ret = -EINVAL; goto done; } ALOGV("%s: backend_tag_table[%s]: old = %s new = %s", __func__, platform_get_snd_device_name(device), backend_table[device] != NULL ? backend_table[device]: "null", backend); if (backend_table[device]) { free(backend_table[device]); } backend_table[device] = strdup(backend); if (hw_interface != NULL) { if (hw_interface_table[device]) free(hw_interface_table[device]); ALOGV("%s: hw_interface_table[%d] = %s", __func__, device, hw_interface); hw_interface_table[device] = strdup(hw_interface); } done: return ret; } int platform_set_usecase_pcm_id(audio_usecase_t usecase, int32_t type, int32_t pcm_id) { int ret = 0; if ((usecase <= USECASE_INVALID) || (usecase >= AUDIO_USECASE_MAX)) { ALOGE("%s: invalid usecase case idx %d", __func__, usecase); ret = -EINVAL; goto done; } if ((type != 0) && (type != 1)) { ALOGE("%s: invalid usecase type", __func__); ret = -EINVAL; } pcm_device_table[usecase][type] = pcm_id; done: return ret; } #define DEFAULT_NOMINAL_SPEAKER_GAIN 20 int ramp_speaker_gain(struct audio_device *adev, bool ramp_up, int target_ramp_up_gain) { // backup_gain: gain to try to set in case of an error during ramp int start_gain, end_gain, step, backup_gain, i; bool error = false; const struct mixer_ctl *ctl; const char *mixer_ctl_name_gain_left = "Left Speaker Gain"; const char *mixer_ctl_name_gain_right = "Right Speaker Gain"; struct mixer_ctl *ctl_left = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name_gain_left); struct mixer_ctl *ctl_right = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name_gain_right); if (!ctl_left || !ctl_right) { ALOGE("%s: Could not get ctl for mixer cmd - %s or %s, not applying speaker gain ramp", __func__, mixer_ctl_name_gain_left, mixer_ctl_name_gain_right); return -EINVAL; } else if ((mixer_ctl_get_num_values(ctl_left) != 1) || (mixer_ctl_get_num_values(ctl_right) != 1)) { ALOGE("%s: Unexpected num values for mixer cmd - %s or %s, not applying speaker gain ramp", __func__, mixer_ctl_name_gain_left, mixer_ctl_name_gain_right); return -EINVAL; } if (ramp_up) { start_gain = 0; end_gain = target_ramp_up_gain > 0 ? target_ramp_up_gain : DEFAULT_NOMINAL_SPEAKER_GAIN; step = +1; backup_gain = end_gain; } else { // using same gain on left and right const int left_gain = mixer_ctl_get_value(ctl_left, 0); start_gain = left_gain > 0 ? left_gain : DEFAULT_NOMINAL_SPEAKER_GAIN; end_gain = 0; step = -1; backup_gain = start_gain; } for (i = start_gain ; i != (end_gain + step) ; i += step) { //ALOGV("setting speaker gain to %d", i); if (mixer_ctl_set_value(ctl_left, 0, i)) { ALOGE("%s: error setting %s to %d during gain ramp", __func__, mixer_ctl_name_gain_left, i); error = true; break; } if (mixer_ctl_set_value(ctl_right, 0, i)) { ALOGE("%s: error setting %s to %d during gain ramp", __func__, mixer_ctl_name_gain_right, i); error = true; break; } usleep(1000); } if (error) { // an error occured during the ramp, let's still try to go back to a safe volume if (mixer_ctl_set_value(ctl_left, 0, backup_gain)) { ALOGE("%s: error restoring left gain to %d", __func__, backup_gain); } if (mixer_ctl_set_value(ctl_right, 0, backup_gain)) { ALOGE("%s: error restoring right gain to %d", __func__, backup_gain); } } return start_gain; } int platform_swap_lr_channels(struct audio_device *adev, bool swap_channels) { // only update if there is active pcm playback on speaker struct audio_usecase *usecase; struct listnode *node; struct platform_data *my_data = (struct platform_data *)adev->platform; if (my_data->speaker_lr_swap != swap_channels) { my_data->speaker_lr_swap = swap_channels; list_for_each(node, &adev->usecase_list) { usecase = node_to_item(node, struct audio_usecase, list); if (usecase->type == PCM_PLAYBACK && usecase->stream.out->devices & AUDIO_DEVICE_OUT_SPEAKER) { /* * If acdb tuning is different for SPEAKER_REVERSE, it is must * to perform device switch to disable the current backend to * enable it with new acdb data. */ if (acdb_device_table[SND_DEVICE_OUT_SPEAKER] != acdb_device_table[SND_DEVICE_OUT_SPEAKER_REVERSE]) { const int initial_skpr_gain = ramp_speaker_gain(adev, false /*ramp_up*/, -1); select_devices(adev, usecase->id); if (initial_skpr_gain != -EINVAL) { ramp_speaker_gain(adev, true /*ramp_up*/, initial_skpr_gain); } } else { const char *mixer_path; if (swap_channels) { mixer_path = platform_get_snd_device_name(SND_DEVICE_OUT_SPEAKER_REVERSE); audio_route_apply_and_update_path(adev->audio_route, mixer_path); } else { mixer_path = platform_get_snd_device_name(SND_DEVICE_OUT_SPEAKER); audio_route_apply_and_update_path(adev->audio_route, mixer_path); } } break; } } } return 0; } int platform_snd_card_update(void *platform __unused, card_status_t status __unused) { return -1; }