Merge "HAL: Support Mute and Unmute feature for compress offload path" (e9c4519d) · Commits · e / devices / FP5 / android_hardware_qcom_audio

hal/audio_extn/auto_hal.c

+42 −2

Original line number	Diff line number	Diff line
		@@ -787,6 +787,32 @@ int auto_hal_set_audio_port_config(struct audio_hw_device *dev,
		return ret;
		}

		static int auto_hal_out_set_compr_volume(struct stream_out *out, float left, float right)
		{
		/* Volume control for compress playback */
		long volume[2];
		char mixer_ctl_name[128];
		struct audio_device *adev = out->dev;
		struct mixer_ctl *ctl;
		int pcm_device_id = fp_platform_get_pcm_device_id(out->usecase,
		PCM_PLAYBACK);

		snprintf(mixer_ctl_name, sizeof(mixer_ctl_name),
		"Compress Playback %d Volume", pcm_device_id);
		ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
		if (!ctl) {
		ALOGE("%s: Could not get ctl for mixer cmd - %s",
		__func__, mixer_ctl_name);
		return -EINVAL;
		}
		ALOGE("%s:ctl for mixer cmd - %s, left %f, right %f",
		__func__, mixer_ctl_name, left, right);
		volume[0] = (int)(left * DSP_MAX_VOLUME);
		volume[1] = (int)(right * DSP_MAX_VOLUME);
		mixer_ctl_set_array(ctl, volume, sizeof(volume)/sizeof(volume[0]));

		return 0;
		}

		static int auto_hal_out_set_pcm_volume(struct stream_out *out, float volume)
		{
		@@ -834,22 +860,36 @@ static void auto_hal_set_mute_duck_state(struct audio_device *adev,
		switch(duck_mute_state) {
		case AUDIO_DEVICE_DUCKED:
		ALOGD("%s: Ducking BUS device %s", __func__, ptr);
		if (out->flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD){
		ALOGD("%s:%d Ducking compress offload path", __func__, __LINE__);
		auto_hal_out_set_compr_volume(out, DUCKED_VOLUME, DUCKED_VOLUME);
		} else {
		auto_hal_out_set_pcm_volume(out, DUCKED_VOLUME);
		}
		break;

		case AUDIO_DEVICE_UNDUCKED:
		ALOGD("%s: Unducking BUS device %s", __func__, ptr);
		if (out->flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD){
		ALOGD("%s:%d Unducking compress offload path", __func__, __LINE__);
		auto_hal_out_set_compr_volume(out, out->volume_l, out->volume_r);
		} else {
		auto_hal_out_set_pcm_volume(out, out->volume_l);
		}
		break;

		case AUDIO_DEVICE_MUTED:
		ALOGD("%s: Muting BUS device %s", __func__, ptr);
		out->muted = true;
		if (out && out->compr)
		auto_hal_out_set_compr_volume(out, DUCKED_VOLUME, DUCKED_VOLUME);
		break;

		case AUDIO_DEVICE_UNMUTED:
		ALOGD("%s: Unmuting BUS device %s", __func__, ptr);
		out->muted = false;
		if (out && out->compr)
		auto_hal_out_set_compr_volume(out, out->volume_l, out->volume_r);
		break;
		}
		}