On Tue, 05 Jan 2016 12:44:49 +0100,
Vinod Koul wrote:
>
> From: Sanyog Kale <sanyog.r.kale@xxxxxxxxx>
>
> 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@xxxxxxxxx>
> Signed-off-by: Vinod Koul <vinod.koul@xxxxxxxxx>
> ---
> sound/soc/soc-pcm.c | 28 ++++++++++++++++++++--------
> 1 file changed, 20 insertions(+), 8 deletions(-)
>
> diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
> index c86dc96e8986..efad248efd4f 100644
> --- a/sound/soc/soc-pcm.c
> +++ b/sound/soc/soc-pcm.c
> @@ -599,10 +599,15 @@ platform_err:
> 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);
Lots of duplicated codes there... Worth to have a common helper?
Takashi
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