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authorEric Laurent <elaurent@google.com>2013-01-18 18:05:45 -0800
committerEric Laurent <elaurent@google.com>2013-01-22 17:11:23 -0800
commit55fb017e0a31f45a08c970a3d4a4de8311302839 (patch)
tree1f9ea9c3856ef72c51e0ae535b26db8a2f339c45 /audio
parentd4945b190d6e0415e05c6c4bcaeb34c8a37e2b03 (diff)
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audio: added support for dual mic capture.
Added support for simultaneous capture from front and back mics. Change-Id: Ica1b75fe432f419272ae92e8ab04b1d34524c189
Diffstat (limited to 'audio')
-rw-r--r--audio/audio_hw.c3
-rw-r--r--audio/audio_policy.conf2
2 files changed, 3 insertions, 2 deletions
diff --git a/audio/audio_hw.c b/audio/audio_hw.c
index 66a6da7..c5f1867 100644
--- a/audio/audio_hw.c
+++ b/audio/audio_hw.c
@@ -1341,7 +1341,8 @@ static void select_input_device(struct tuna_audio_device *adev)
/* Select front end */
- if ((adev->active_input != 0) && (adev->active_input->aux_channels)) {
+ if ((adev->active_input != 0) && (adev->active_input->aux_channels ||
+ adev->active_input->main_channels == AUDIO_CHANNEL_IN_FRONT_BACK)) {
ALOGV("select input device(): multi-mic configuration main mic %s sub mic %s",
main_mic_on ? "ON" : "OFF", sub_mic_on ? "ON" : "OFF");
if (main_mic_on) {
diff --git a/audio/audio_policy.conf b/audio/audio_policy.conf
index 1012c26..bf387a2 100644
--- a/audio/audio_policy.conf
+++ b/audio/audio_policy.conf
@@ -47,7 +47,7 @@ audio_hw_modules {
inputs {
primary {
sampling_rates 8000|11025|16000|22050|24000|32000|44100|48000
- channel_masks AUDIO_CHANNEL_IN_MONO|AUDIO_CHANNEL_IN_STEREO
+ channel_masks AUDIO_CHANNEL_IN_MONO|AUDIO_CHANNEL_IN_STEREO|AUDIO_CHANNEL_IN_FRONT_BACK
formats AUDIO_FORMAT_PCM_16_BIT
devices AUDIO_DEVICE_IN_BUILTIN_MIC|AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET|AUDIO_DEVICE_IN_WIRED_HEADSET|AUDIO_DEVICE_IN_BACK_MIC
}