Volume and mic mute control handling

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>

1 files changed, 78 insertions, 11 deletions

diff --git a/audio_hw.c b/audio_hw.c
index 954c6ea..e2cb1c3 100644
--- a/audio_hw.c
+++ b/audio_hw.c
@@ -36,33 +36,33 @@
 
 static uint32_t audio_hw_get_supported_devices(const struct audio_hw_device *dev)
 {
-	struct tinyalsa_audio_device *tinyalsa_audio_device;
+	struct tinyalsa_audio_device *device;
 
 	LOGD("%s(%p)", __func__, dev);
 
 	if(dev == NULL)
 		return -1;
 
-	tinyalsa_audio_device = (struct tinyalsa_audio_device *) dev;
+	device = (struct tinyalsa_audio_device *) dev;
 
-	if(tinyalsa_audio_device->mixer == NULL)
+	if(device->mixer == NULL)
 		return -1;
 
-	return (uint32_t) tinyalsa_mixer_get_supported_devices(tinyalsa_audio_device->mixer);
+	return (uint32_t) tinyalsa_mixer_get_supported_devices(device->mixer);
 }
 
 static int audio_hw_init_check(const struct audio_hw_device *dev)
 {
-	struct tinyalsa_audio_device *tinyalsa_audio_device;
+	struct tinyalsa_audio_device *device;
 
 	LOGD("%s(%p)", __func__, dev);
 
 	if(dev == NULL)
 		return -1;
 
-	tinyalsa_audio_device = (struct tinyalsa_audio_device *) dev;
+	device = (struct tinyalsa_audio_device *) dev;
 
-	if(tinyalsa_audio_device->mixer == NULL)
+	if(device->mixer == NULL)
 		return -1;
 
 	return 0;
@@ -70,37 +70,104 @@ static int audio_hw_init_check(const struct audio_hw_device *dev)
 
 static int audio_hw_set_voice_volume(struct audio_hw_device *dev, float volume)
 {
+	struct tinyalsa_audio_device *device;
+
 	LOGD("%s(%p, %f)", __func__, dev, volume);
 
-	return -ENOSYS;
+	if(dev == NULL)
+		return -1;
+
+	device = (struct tinyalsa_audio_device *) dev;
+
+	if(device->mixer == NULL)
+		return -1;
+
+	if(device->mode == AUDIO_MODE_IN_CALL) {
+		// FIXME: Select the device from ril interface
+		tinyalsa_mixer_set_voice_volume(device->mixer,
+			AUDIO_DEVICE_IN_DEFAULT, device->mode, volume);
+	}
+
+	return 0;
 }
 
 static int audio_hw_set_master_volume(struct audio_hw_device *dev, float volume)
 {
+	struct tinyalsa_audio_device *device;
+
 	LOGD("%s(%p, %f)", __func__, dev, volume);
 
-	return -ENOSYS;
+	if(dev == NULL)
+		return -1;
+
+	device = (struct tinyalsa_audio_device *) dev;
+
+	if(device->mixer == NULL)
+		return -1;
+
+	tinyalsa_mixer_set_master_volume(device->mixer, volume);
+
+	return 0;
 }
 
 static int audio_hw_set_mode(struct audio_hw_device *dev, int mode)
 {
+	struct tinyalsa_audio_device *device;
+
 	LOGD("%s(%p, %d)", __func__, dev, mode);
 
+	if(dev == NULL)
+		return -1;
+
+	device = (struct tinyalsa_audio_device *) dev;
+
+	device->mode = mode;
+
+	// TODO: If mode changed, change routing
+
 	return 0;
 }
 
 static int audio_hw_set_mic_mute(struct audio_hw_device *dev, bool state)
 {
+	struct tinyalsa_audio_device *device;
+
 	LOGD("%s(%p, %d)", __func__, dev, state);
 
-	return -ENOSYS;
+	if(dev == NULL)
+		return -1;
+
+	device = (struct tinyalsa_audio_device *) dev;
+
+	if(device->mixer == NULL)
+		return -1;
+
+	if(device->mic_mute != state) {
+		device->mic_mute = state;
+
+		// FIXME: Select the device from input if mode isn't in-call,
+		// select it from ril interface if mode is in-call
+		tinyalsa_mixer_set_mic_mute(device->mixer,
+			AUDIO_DEVICE_IN_DEFAULT, device->mode, state);
+	}
+
+	return 0;
 }
 
 static int audio_hw_get_mic_mute(const struct audio_hw_device *dev, bool *state)
 {
+	struct tinyalsa_audio_device *device;
+
 	LOGD("%s(%p, %p)", __func__, dev, state);
 
-	return -ENOSYS;
+	if(dev == NULL)
+		return -1;
+
+	device = (struct tinyalsa_audio_device *) dev;
+
+	*state = device->mic_mute;
+
+	return 0;
 }
 
 static int audio_hw_set_parameters(struct audio_hw_device *dev,