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Reinitialise the DSP and mixer after a resume from suspend

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PR:		22372
Submitted by:	Hiroyuki Aizu <aizu@jaist.ac.jp>
Reviewed by:	cg
This commit is contained in:
greid 2001-04-08 23:02:06 +00:00
parent 1c766fe616
commit dbd4bd55a8
1 changed files with 21 additions and 0 deletions
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21
sys/dev/sound/isa/ess.c
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@ -890,11 +890,32 @@ ess_detach(device_t dev)
return 0;
}
static int
ess_resume(device_t dev)
{
struct ess_info *sc;
sc = pcm_getdevinfo(dev);
if (ess_reset_dsp(sc)) {
device_printf(dev, "unable to reset DSP at resume\n");
return ENXIO;
}
if (mixer_reinit(dev)) {
device_printf(dev, "unable to reinitialize mixer at resume\n");
return ENXIO;
}
return 0;
}
static device_method_t ess_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, ess_probe),
DEVMETHOD(device_attach, ess_attach),
DEVMETHOD(device_detach, ess_detach),
DEVMETHOD(device_resume, ess_resume),
{ 0, 0 }
};