On Sun, Nov 30, 2008 at 1:01 AM, Takashi Iwai <tiwai@xxxxxxx> wrote: > At Sat, 29 Nov 2008 12:40:02 -0800, > Dan Nicholson wrote: >> >> Hi, >> >> Currently, suspending the computer via pm-suspend (as done from HAL), >> causes the ALSA state to be stored and restored via alsactl. Here's >> what the hook looks like: >> >> http://cgit.freedesktop.org/pm-utils/tree/pm/sleep.d/65alsa >> >> Is this still necessary on recent kernels? Is there a list of drivers >> which properly maintain state across suspend/resume? We're trying to >> cut down on the amount of work done in userspace which slows down >> suspend cycles. > > The all drivers with PM support should have do store/restore the > mixer states. For such drivers, calling alsactl is just a waste of > time. Thanks. Which drivers don't have PM support? > I don't know who introduced it, but maybe it was a workaround... Yeah, I'm sure it was a workaround, but we're trying to get rid of the unnecessary ones now. -- Dan -- To unsubscribe from this list: send the line "unsubscribe alsa-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
