[alsa-devel] question on snd_power_change_state()

Oliver Neukum oneukum at suse.de
Fri Mar 11 13:20:46 CET 2011


Am Freitag, 11. März 2011, 13:15:28 schrieb Takashi Iwai:
> At Fri, 11 Mar 2011 13:12:17 +0100,
> Oliver Neukum wrote:
> > 
> > Hi,
> > 
> > will calling snd_power_change_state() reset all mixer settings?
> 
> No, it's a simple inline function defined in include/sound/core.h.
> 
> static inline void snd_power_change_state(struct snd_card *card, unsigned int state)
> {
> 	card->power_state = state;
> 	wake_up(&card->power_sleep);
> }
> 
> It's present mostly for historical reasons.

Is there a helper that will do that?

	Regards
		Oliver


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