C++ (Cpp) sst_hsw_stream_set_volume Examples

Example #1

File: sst-haswell-pcm.c Project: 908626950/linux

static int hsw_pcm_open(struct snd_pcm_substream *substream)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct hsw_priv_data *pdata =
		snd_soc_platform_get_drvdata(rtd->platform);
	struct hsw_pcm_data *pcm_data;
	struct sst_hsw *hsw = pdata->hsw;

	pcm_data = &pdata->pcm[rtd->cpu_dai->id];

	mutex_lock(&pcm_data->mutex);

	snd_soc_pcm_set_drvdata(rtd, pcm_data);
	pcm_data->substream = substream;

	snd_soc_set_runtime_hwparams(substream, &hsw_pcm_hardware);

	pcm_data->stream = sst_hsw_stream_new(hsw, rtd->cpu_dai->id,
		hsw_notify_pointer, pcm_data);
	if (pcm_data->stream == NULL) {
		dev_err(rtd->dev, "error: failed to create stream\n");
		mutex_unlock(&pcm_data->mutex);
		return -EINVAL;
	}

	/* Set previous saved volume */
	sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0,
			0, pcm_data->volume[0]);
	sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0,
			1, pcm_data->volume[1]);

	mutex_unlock(&pcm_data->mutex);
	return 0;
}

Example #2

File: sst-haswell-pcm.c Project: raghavendraba/linux

static int hsw_stream_volume_put(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol);
	struct soc_mixer_control *mc =
		(struct soc_mixer_control *)kcontrol->private_value;
	struct hsw_priv_data *pdata =
		snd_soc_platform_get_drvdata(platform);
	struct hsw_pcm_data *pcm_data;
	struct sst_hsw *hsw = pdata->hsw;
	u32 volume;
	int dai, stream;

	dai = mod_map[mc->reg].dai_id;
	stream = mod_map[mc->reg].stream;
	pcm_data = &pdata->pcm[dai][stream];

	mutex_lock(&pcm_data->mutex);
	pm_runtime_get_sync(pdata->dev);

	if (!pcm_data->stream) {
		pcm_data->volume[0] =
			hsw_mixer_to_ipc(ucontrol->value.integer.value[0]);
		pcm_data->volume[1] =
			hsw_mixer_to_ipc(ucontrol->value.integer.value[1]);
		pm_runtime_mark_last_busy(pdata->dev);
		pm_runtime_put_autosuspend(pdata->dev);
		mutex_unlock(&pcm_data->mutex);
		return 0;
	}

	if (ucontrol->value.integer.value[0] ==
		ucontrol->value.integer.value[1]) {
		volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[0]);
		/* apply volume value to all channels */
		sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, SST_HSW_CHANNELS_ALL, volume);
	} else {
		volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[0]);
		sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, 0, volume);
		volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[1]);
		sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, 1, volume);
	}

	pm_runtime_mark_last_busy(pdata->dev);
	pm_runtime_put_autosuspend(pdata->dev);
	mutex_unlock(&pcm_data->mutex);
	return 0;
}

Example #3

File: sst-haswell-pcm.c Project: 908626950/linux

static int hsw_stream_volume_put(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_platform *platform = snd_kcontrol_chip(kcontrol);
	struct soc_mixer_control *mc =
		(struct soc_mixer_control *)kcontrol->private_value;
	struct hsw_priv_data *pdata =
		snd_soc_platform_get_drvdata(platform);
	struct hsw_pcm_data *pcm_data = &pdata->pcm[mc->reg];
	struct sst_hsw *hsw = pdata->hsw;
	u32 volume;

	mutex_lock(&pcm_data->mutex);

	if (!pcm_data->stream) {
		pcm_data->volume[0] =
			hsw_mixer_to_ipc(ucontrol->value.integer.value[0]);
		pcm_data->volume[1] =
			hsw_mixer_to_ipc(ucontrol->value.integer.value[1]);
		mutex_unlock(&pcm_data->mutex);
		return 0;
	}

	if (ucontrol->value.integer.value[0] ==
		ucontrol->value.integer.value[1]) {
		volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[0]);
		sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, 2, volume);
	} else {
		volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[0]);
		sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, 0, volume);
		volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[1]);
		sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, 1, volume);
	}

	mutex_unlock(&pcm_data->mutex);
	return 0;
}