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ASoC: pcm: allow delayed suspending request by users 

If a device would like to use delayed suspending then PM
recommendation is to set ‘power.use_autosuspend’ flag. To allow
users to do so we need to change runtime calls in core to use
autosuspend counterparts.

For user who do not wish to use delayed suspend not setting the
device's ‘power.use_autosuspend’ flag will result in non-delayed
suspend even with these APIs which incidentally is also the default
behaviour, so only users will be impacted who opt in for this.

Signed-off-by: Sanyog Kale <sanyog.r.kale@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Sanyog Kale 2016-01-05 17:14:49 +05:30 committed by Mark Brown
parent 8005c49d9a
commit 3f80978397
1 changed files with 20 additions and 8 deletions
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28
sound/soc/soc-pcm.c
View File

@ -599,10 +599,15 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
out:
mutex_unlock(&rtd->pcm_mutex);
pm_runtime_put(platform->dev);
for (i = 0; i < rtd->num_codecs; i++)
pm_runtime_put(rtd->codec_dais[i]->dev);
pm_runtime_put(cpu_dai->dev);
pm_runtime_mark_last_busy(platform->dev);
pm_runtime_put_autosuspend(platform->dev);
for (i = 0; i < rtd->num_codecs; i++) {
pm_runtime_mark_last_busy(rtd->codec_dais[i]->dev);
pm_runtime_put_autosuspend(rtd->codec_dais[i]->dev);
}
pm_runtime_mark_last_busy(cpu_dai->dev);
pm_runtime_put_autosuspend(cpu_dai->dev);
for (i = 0; i < rtd->num_codecs; i++) {
if (!rtd->codec_dais[i]->active)
pinctrl_pm_select_sleep_state(rtd->codec_dais[i]->dev);
@ -706,10 +711,17 @@ static int soc_pcm_close(struct snd_pcm_substream *substream)
mutex_unlock(&rtd->pcm_mutex);
pm_runtime_put(platform->dev);
for (i = 0; i < rtd->num_codecs; i++)
pm_runtime_put(rtd->codec_dais[i]->dev);
pm_runtime_put(cpu_dai->dev);
pm_runtime_mark_last_busy(platform->dev);
pm_runtime_put_autosuspend(platform->dev);
for (i = 0; i < rtd->num_codecs; i++) {
pm_runtime_mark_last_busy(rtd->codec_dais[i]->dev);
pm_runtime_put_autosuspend(rtd->codec_dais[i]->dev);
}
pm_runtime_mark_last_busy(cpu_dai->dev);
pm_runtime_put_autosuspend(cpu_dai->dev);
for (i = 0; i < rtd->num_codecs; i++) {
if (!rtd->codec_dais[i]->active)
pinctrl_pm_select_sleep_state(rtd->codec_dais[i]->dev);