audio: Add support for bluetooth voice calls
Change-Id: Ic63b7c09ed7401ab72824a406db333e3fbce780b
diff --git a/audio/audio_hw.c b/audio/audio_hw.c
index 3659277..ff855d5 100644
--- a/audio/audio_hw.c
+++ b/audio/audio_hw.c
@@ -634,8 +634,6 @@
snd_device = SND_DEVICE_IN_VOICE_MIC;
if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADSET) {
snd_device = SND_DEVICE_IN_VOICE_HEADSET_MIC;
- } else if (out_device & AUDIO_DEVICE_OUT_ALL_SCO) {
- snd_device = SND_DEVICE_IN_BT_SCO_MIC;
}
if (voice_session_uses_twomic(adev->voice.session)) {
@@ -661,6 +659,17 @@
}
}
}
+
+ /* BT SCO */
+ if (out_device & AUDIO_DEVICE_OUT_ALL_SCO) {
+ snd_device = SND_DEVICE_IN_VOICE_MIC;
+
+ if (out_device & AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET) {
+ snd_device = SND_DEVICE_IN_BT_SCO_MIC;
+ } else if (voice_session_uses_twomic(adev->voice.session)) {
+ snd_device = SND_DEVICE_IN_VOICE_EARPIECE_MIC;
+ }
+ }
} else if (source == AUDIO_SOURCE_CAMCORDER) {
if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC ||
in_device & AUDIO_DEVICE_IN_BACK_MIC) {
@@ -2726,6 +2735,11 @@
}
#endif
if (val != 0) {
+ bool bt_sco_active = false;
+
+ if (out->devices & AUDIO_DEVICE_OUT_ALL_SCO) {
+ bt_sco_active = true;
+ }
out->devices = val;
if (!out->standby) {
@@ -2758,6 +2772,10 @@
} else if ((adev->mode == AUDIO_MODE_IN_CALL) &&
adev->voice.in_call &&
(out == adev->primary_output)) {
+ /* Turn on bluetooth if needed */
+ if ((out->devices & AUDIO_DEVICE_OUT_ALL_SCO) && !bt_sco_active) {
+ start_voice_session_bt_sco(adev->voice.session);
+ }
select_devices(adev, USECASE_VOICE_CALL);
}
}
@@ -3933,6 +3951,9 @@
parms = str_parms_create_str(kvpairs);
+ /******************************************************
+ *** BT SCO
+ ******************************************************/
ret = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_BT_NREC, value, sizeof(value));
if (ret >= 0) {
/* When set to false, HAL should disable EC and NS
@@ -3944,6 +3965,21 @@
adev->voice.bluetooth_nrec = false;
}
+ ret = str_parms_get_str(parms,
+ AUDIO_PARAMETER_KEY_BT_SCO_WB,
+ value,
+ sizeof(value));
+ if (ret >= 0) {
+ /* TODO: Add support in voice calls */
+ if (strcmp(value, AUDIO_PARAMETER_VALUE_ON) == 0) {
+ adev->voice.bluetooth_wb = true;
+ ALOGI("%s: Implement support for BT SCO wideband calls!!!",
+ __func__);
+ } else {
+ adev->voice.bluetooth_wb = false;
+ }
+ }
+
ret = str_parms_get_str(parms, "screen_state", value, sizeof(value));
if (ret >= 0) {
if (strcmp(value, AUDIO_PARAMETER_VALUE_ON) == 0)