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[ALSA] snd-aoa: fix onyx resume

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When the machine resumes the onyx codec might be in a weird state. Hence,
simply fully reset it once (and keep the code to take it out of suspend in
case the suspend of the codec chip survives a reset).

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Johannes Berg 2006-12-18 13:20:06 +01:00 committed by Jaroslav Kysela
parent 333824034a
commit b0148a98ec
1 changed files with 10 additions and 1 deletions
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11
sound/aoa/codecs/snd-aoa-codec-onyx.c
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@ -825,7 +825,16 @@ static int onyx_resume(struct codec_info_item *cii)
int err = -ENXIO;
mutex_lock(&onyx->mutex);
/* take codec out of suspend */
/* reset codec */
onyx->codec.gpio->methods->set_hw_reset(onyx->codec.gpio, 0);
msleep(1);
onyx->codec.gpio->methods->set_hw_reset(onyx->codec.gpio, 1);
msleep(1);
onyx->codec.gpio->methods->set_hw_reset(onyx->codec.gpio, 0);
msleep(1);
/* take codec out of suspend (if it still is after reset) */
if (onyx_read_register(onyx, ONYX_REG_CONTROL, &v))
goto out_unlock;
onyx_write_register(onyx, ONYX_REG_CONTROL, v & ~(ONYX_ADPSV | ONYX_DAPSV));