[alsa-devel] Power management state flow in ALSA

[Takashi Iwai]

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?


Takashi