audio: Enhance latency and tuning in voice call with hearing aid
1. Reduce microphone latency in voice call
2. Use specific acdb tuning
Bug: 120869034
Test: manual audio test
Change-Id: Ifabd1ce2cce5bb4285cc33cd792070c0c3b20f1a
Signed-off-by: juyuchen <juyuchen@google.com>
(cherry picked from commit d194b43135d3799610a0272902b256c6bd95fa9e)
diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index 095028d..7ba8ae7 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -551,6 +551,7 @@
[SND_DEVICE_OUT_SPEAKER_WSA_AND_BT_SCO] = "wsa-speaker-and-bt-sco",
[SND_DEVICE_OUT_SPEAKER_WSA_AND_BT_SCO_WB] = "wsa-speaker-and-bt-sco-wb",
[SND_DEVICE_OUT_SPEAKER_WSA_AND_BT_SCO_SWB] = "wsa-speaker-and-bt-sco-wb",
+ [SND_DEVICE_OUT_VOICE_HEARING_AID] = "hearing-aid",
/* Capture sound devices */
[SND_DEVICE_IN_HANDSET_MIC] = "handset-mic",
@@ -682,6 +683,7 @@
[SND_DEVICE_OUT_VOIP_HANDSET] = "voip-handset",
[SND_DEVICE_OUT_VOIP_SPEAKER] = "voip-speaker",
[SND_DEVICE_OUT_VOIP_HEADPHONES] = "voip-headphones",
+ [SND_DEVICE_IN_VOICE_HEARING_AID] = "hearing-aid-mic",
};
// Platform specific backend bit width table
@@ -802,6 +804,7 @@
[SND_DEVICE_OUT_VOICE_SPEAKER_STEREO_PROTECTED] = 124,
[SND_DEVICE_OUT_SPEAKER_PROTECTED_RAS] = 134,
[SND_DEVICE_OUT_SPEAKER_PROTECTED_VBAT_RAS] = 134,
+ [SND_DEVICE_OUT_VOICE_HEARING_AID] = 45,
[SND_DEVICE_IN_HANDSET_MIC] = 4,
[SND_DEVICE_IN_HANDSET_MIC_SB] = 163,
[SND_DEVICE_IN_HANDSET_MIC_EXTERNAL] = 4,
@@ -928,6 +931,7 @@
[SND_DEVICE_IN_CAMCORDER_SELFIE_LANDSCAPE] = 4,
[SND_DEVICE_IN_CAMCORDER_SELFIE_INVERT_LANDSCAPE] = 4,
[SND_DEVICE_IN_CAMCORDER_SELFIE_PORTRAIT] = 4,
+ [SND_DEVICE_IN_VOICE_HEARING_AID] = 44,
};
struct name_to_index {
@@ -1022,6 +1026,7 @@
{TO_NAME_INDEX(SND_DEVICE_OUT_VOIP_HANDSET)},
{TO_NAME_INDEX(SND_DEVICE_OUT_VOIP_SPEAKER)},
{TO_NAME_INDEX(SND_DEVICE_OUT_VOIP_HEADPHONES)},
+ {TO_NAME_INDEX(SND_DEVICE_OUT_VOICE_HEARING_AID)},
{TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_MIC)},
{TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_MIC_SB)},
{TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_MIC_EXTERNAL)},
@@ -1118,6 +1123,7 @@
{TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_QMIC)},
{TO_NAME_INDEX(SND_DEVICE_IN_HANDSET_QMIC_AEC)},
{TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_QMIC_AEC)},
+ {TO_NAME_INDEX(SND_DEVICE_IN_VOICE_HEARING_AID)},
{TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_QMIC_NS)},
{TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_QMIC_AEC_NS)},
{TO_NAME_INDEX(SND_DEVICE_IN_VOICE_REC_QMIC_FLUENCE)},
@@ -1992,6 +1998,7 @@
backend_tag_table[SND_DEVICE_OUT_VOICE_SPEAKER_STEREO_AND_VOICE_HEADPHONES] = strdup("speaker-and-headphones");
backend_tag_table[SND_DEVICE_OUT_VOICE_SPEAKER_STEREO_AND_VOICE_ANC_HEADSET] = strdup("speaker-and-headphones");
backend_tag_table[SND_DEVICE_OUT_VOICE_SPEAKER_STEREO_AND_VOICE_ANC_FB_HEADSET] = strdup("speaker-and-headphones");
+ backend_tag_table[SND_DEVICE_OUT_VOICE_HEARING_AID] = strdup("hearing-aid");
hw_interface_table[SND_DEVICE_OUT_HANDSET] = strdup("SLIMBUS_0_RX");
hw_interface_table[SND_DEVICE_OUT_SPEAKER] = strdup("SLIMBUS_0_RX");
@@ -2077,6 +2084,10 @@
hw_interface_table[SND_DEVICE_OUT_SPEAKER_WSA] = strdup("SLIMBUS_0_RX");
hw_interface_table[SND_DEVICE_OUT_VOICE_SPEAKER_WSA] = strdup("SLIMBUS_0_RX");
hw_interface_table[SND_DEVICE_OUT_VOICE_SPEAKER_2_WSA] = strdup("SLIMBUS_0_RX");
+ /* So far, primary hal doesn't support hearing aid device.
+ Need snd_device to route voice call and use specific acdb tuning.
+ Also, BT_RX is a virtual port to indicate bluetooth hearing aid. */
+ hw_interface_table[SND_DEVICE_OUT_VOICE_HEARING_AID] = strdup("BT_RX"),
hw_interface_table[SND_DEVICE_IN_HANDSET_MIC] = strdup("SLIMBUS_0_TX");
hw_interface_table[SND_DEVICE_IN_HANDSET_MIC_SB] = strdup("SLIMBUS_0_TX");
hw_interface_table[SND_DEVICE_IN_HANDSET_MIC_EXTERNAL] = strdup("SLIMBUS_0_TX");
@@ -2202,6 +2213,7 @@
hw_interface_table[SND_DEVICE_IN_CAMCORDER_SELFIE_LANDSCAPE] = strdup("SLIMBUS_0_TX");
hw_interface_table[SND_DEVICE_IN_CAMCORDER_SELFIE_INVERT_LANDSCAPE] = strdup("SLIMBUS_0_TX");
hw_interface_table[SND_DEVICE_IN_CAMCORDER_SELFIE_PORTRAIT] = strdup("SLIMBUS_0_TX");
+ hw_interface_table[SND_DEVICE_IN_VOICE_HEARING_AID] = strdup("SLIMBUS_0_TX");
my_data->max_mic_count = PLATFORM_DEFAULT_MIC_COUNT;
/*remove ALAC & APE from DSP decoder list based on software decoder availability*/
@@ -5373,8 +5385,11 @@
snd_device = SND_DEVICE_OUT_ANC_HANDSET;
else
snd_device = SND_DEVICE_OUT_VOICE_HANDSET;
- } else if (devices & AUDIO_DEVICE_OUT_TELEPHONY_TX)
+ } else if (devices & AUDIO_DEVICE_OUT_TELEPHONY_TX) {
snd_device = SND_DEVICE_OUT_VOICE_TX;
+ } else if (devices & AUDIO_DEVICE_OUT_HEARING_AID) {
+ snd_device = SND_DEVICE_OUT_VOICE_HEARING_AID;
+ }
if (snd_device != SND_DEVICE_NONE) {
goto exit;
@@ -5910,6 +5925,8 @@
} else {
snd_device = SND_DEVICE_IN_HANDSET_MIC;
}
+ } else if (out_device & AUDIO_DEVICE_OUT_HEARING_AID) {
+ snd_device = SND_DEVICE_IN_VOICE_HEARING_AID;
}
} else if (my_data->use_generic_handset == true && // system prop is enabled
(my_data->source_mic_type & SOURCE_QUAD_MIC) && // AND 4mic is available
diff --git a/hal/msm8974/platform.h b/hal/msm8974/platform.h
index 41aa346..7399d1b 100644
--- a/hal/msm8974/platform.h
+++ b/hal/msm8974/platform.h
@@ -173,6 +173,7 @@
SND_DEVICE_OUT_VOICE_SPEAKER_STEREO_AND_VOICE_HEADPHONES,
SND_DEVICE_OUT_VOICE_SPEAKER_STEREO_AND_VOICE_ANC_HEADSET,
SND_DEVICE_OUT_VOICE_SPEAKER_STEREO_AND_VOICE_ANC_FB_HEADSET,
+ SND_DEVICE_OUT_VOICE_HEARING_AID,
SND_DEVICE_OUT_END,
/*
@@ -308,6 +309,7 @@
SND_DEVICE_IN_CAMCORDER_SELFIE_LANDSCAPE,
SND_DEVICE_IN_CAMCORDER_SELFIE_INVERT_LANDSCAPE,
SND_DEVICE_IN_CAMCORDER_SELFIE_PORTRAIT,
+ SND_DEVICE_IN_VOICE_HEARING_AID,
SND_DEVICE_IN_END,
SND_DEVICE_MAX = SND_DEVICE_IN_END,