diff options
| author | MemAllocator <omerkisoss@gmail.com> | 2015-01-30 17:38:01 +0200 |
|---|---|---|
| committer | Sergiu Cozma <lssjbrolli@gmail.com> | 2015-03-28 11:45:46 +0200 |
| commit | 36011f2b1d32df2a99d176c26653c19f0741152e (patch) | |
| tree | ec4d4d8649aeb1f17cb6bb79608d721ca0a43a01 | |
| parent | 04a425269191da688cc68105ce268ea2a7bdf787 (diff) | |
Update audio_hw.c
trying to fix google voice recognition which causes instabilities with mic...
took it from here: http://code.metager.de/source/xref/android/4.4/device/samsung/manta/audio/audio_hw.c
| -rw-r--r-- | audio/audio_hw.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/audio/audio_hw.c b/audio/audio_hw.c index 5d93bb6..95d5671 100644 --- a/audio/audio_hw.c +++ b/audio/audio_hw.c @@ -339,6 +339,10 @@ static void select_devices(struct audio_device *adev) new_es325_preset = route_configs[input_source_id][output_device_id]->es325_preset[adev->es325_mode]; } + // disable noise suppression when capturing front and back mic for voice recognition + if ((adev->input_source == AUDIO_SOURCE_VOICE_RECOGNITION) && + (adev->in_channel_mask == AUDIO_CHANNEL_IN_FRONT_BACK)) + new_es325_preset = -1; } else { if (output_device_id != OUT_DEVICE_NONE) { output_route = @@ -1592,9 +1596,10 @@ static int adev_open_input_stream(struct audio_hw_device *dev, *stream_in = NULL; - /* Respond with a request for stereo if a different format is given. */ - if (config->channel_mask != AUDIO_CHANNEL_IN_STEREO) { - config->channel_mask = AUDIO_CHANNEL_IN_STEREO; + /* Respond with a request for mono if a different format is given. */ + if (config->channel_mask != AUDIO_CHANNEL_IN_MONO && + config->channel_mask != AUDIO_CHANNEL_IN_FRONT_BACK) { + config->channel_mask = AUDIO_CHANNEL_IN_MONO; return -EINVAL; } |