[alsa-devel] Power management state flow in ALSA
lg at opensource.wolfsonmicro.com
Fri Jun 1 14:18:21 CEST 2007
Can you try the following patch :-
This will notify pcm's of their suspend state.
On Wed, 2007-05-30 at 12:58 +0200, Takashi Iwai wrote:
> At Wed, 30 May 2007 16:06:54 +0530,
> Nobin Mathew wrote:
> > I am writing an ASoC driver, where i can place these calls
> > snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
> > snd_pcm_suspend_all(chip->pcm[i]);
> > and snd_power_change_state(card, SNDRV_CTL_POWER_D0);
> > In soc-core.c ?
> I suppose so.
> In soc_suspend() and soc_resume(), you can get the card instance from
> codec->card, at least.
> But currently SoC doesn't keep the PCM instances, so it cannot be
> implemented as it is... Liam, any plan or known issue regarding this?
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