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Commit 9b8ef9f6 authored by Jeeja KP's avatar Jeeja KP Committed by Mark Brown
Browse files

ASoC: dapm: Add startup & shutdown for dai_links 



For DAI link events, DSPs would like to get notified for startup
and shutdown event as well apart for existing hw_params. This
helps managing DSP resource allocation and freeup on these events
So add support for startup and shutdown for
snd_soc_dai_link_event()

Signed-off-by: default avatarJeeja KP <jeeja.kp@intel.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 19a2557b

sound/soc/soc-dapm.c

+30 −0
Original line number Diff line number Diff line
@@ -3478,11 +3478,29 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w, 
	switch (event) {

	case SND_SOC_DAPM_PRE_PMU:

		substream.stream = SNDRV_PCM_STREAM_CAPTURE;

		if (source->driver->ops && source->driver->ops->startup) {

			ret = source->driver->ops->startup(&substream, source);

			if (ret < 0) {

				dev_err(source->dev,

					"ASoC: startup() failed: %d\n", ret);

				goto out;

			}

			source->active++;

		}

		ret = soc_dai_hw_params(&substream, params, source);

		if (ret < 0)

			goto out;



		substream.stream = SNDRV_PCM_STREAM_PLAYBACK;

		if (sink->driver->ops && sink->driver->ops->startup) {

			ret = sink->driver->ops->startup(&substream, sink);

			if (ret < 0) {

				dev_err(sink->dev,

					"ASoC: startup() failed: %d\n", ret);

				goto out;

			}

			sink->active++;

		}

		ret = soc_dai_hw_params(&substream, params, sink);

		if (ret < 0)

			goto out;
@@ -3502,6 +3520,18 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w, 
		if (ret != 0 && ret != -ENOTSUPP)

			dev_warn(sink->dev, "ASoC: Failed to mute: %d\n", ret);

		ret = 0;



		source->active--;

		if (source->driver->ops && source->driver->ops->shutdown) {

			substream.stream = SNDRV_PCM_STREAM_CAPTURE;

			source->driver->ops->shutdown(&substream, source);

		}



		sink->active--;

		if (sink->driver->ops && sink->driver->ops->shutdown) {

			substream.stream = SNDRV_PCM_STREAM_PLAYBACK;

			sink->driver->ops->shutdown(&substream, sink);

		}

		break;



	default: