Re: [PATCH] ALSA: pcm: Release paused streams before suspend if resume is not supported

[Jaroslav Kysela <perex@perex.cz>]

On 02. 04. 25 8:41, Péter Ujfalusi wrote:

> I'm not sure if sending the SUSPEND trigger to a paused stream is a
> solution either as that will surely need different handling as it is not
> expected currently (and again SOF have a delicate dance around triggers
> starting in ASoC level, but might work).

It's unfortunate, but things should be resolved in the appropriate code levels 
IMHO. The core code should allow all mechanisms.

> Note on the pause in general: for few years now pause is in reality a
> niche feature and most drivers will never see it used. PA. PW, Chrome,
> Android don't use it much or at all, so hitting a suspend while the
> stream is paused is a CI thing mostly. mplayer/mpv (kodi might as well)
> do pause directly when using ALSA and the PCM supports it, but they work
> w/o SNDRV_PCM_INFO_PAUSE just fine.

We are providing API, so we should not judge, if things are widely used. I 
believe that some users use the perfect pause instead full stream restart.

					Jaroslav

-- 
Jaroslav Kysela <perex@perex.cz>
Linux Sound Maintainer; ALSA Project; Red Hat, Inc.