diff options
| author | Jeeja KP <jeeja.kp@intel.com> | 2015-10-20 22:30:07 +0530 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-10-22 15:23:23 +0100 |
| commit | 9b8ef9f6b3fcccc2b6ce4bb59d8ab55b36a8b8f0 (patch) | |
| tree | aba830a3e4c887a2b4bad0d43bf74e3fe2373adc /sound/soc/soc-dapm.c | |
| parent | 19a2557b76d64f26c761925cb4fecefb5d72c099 (diff) | |
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: Jeeja KP <jeeja.kp@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/soc-dapm.c')
| -rw-r--r-- | sound/soc/soc-dapm.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 9762ac4efdeb..a28d6a10bad0 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -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: |