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ALSA: ice1724 - Patch for suspend/resume for ESI Juli@

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Add proper suspend/resume code for Juli@ cards. Based on ice1724
suspend/resume work of Igor Chernyshev.
Fixes bug https://bugtrack.alsa-project.org/alsa-bug/view.php?id=4413
Tested on linux-2.6.31.6

Signed-off-by: Aleksey Kunitskiy <alexey.kv@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Aleksey Kunitskiy 2009-11-14 15:18:54 +02:00 committed by Takashi Iwai
parent 401de8184a
commit 50d40f187f
1 changed files with 32 additions and 0 deletions
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32
sound/pci/ice1712/juli.c
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@ -503,6 +503,31 @@ static int __devinit juli_add_controls(struct snd_ice1712 *ice)
return 0;
}
/*
* suspend/resume
* */
#ifdef CONFIG_PM
static int juli_resume(struct snd_ice1712 *ice)
{
struct snd_akm4xxx *ak = ice->akm;
struct juli_spec *spec = ice->spec;
/* akm4358 un-reset, un-mute */
snd_akm4xxx_reset(ak, 0);
/* reinit ak4114 */
snd_ak4114_reinit(spec->ak4114);
return 0;
}
static int juli_suspend(struct snd_ice1712 *ice)
{
struct snd_akm4xxx *ak = ice->akm;
/* akm4358 reset and soft-mute */
snd_akm4xxx_reset(ak, 1);
return 0;
}
#endif
/*
* initialize the chip
*/
@ -646,6 +671,13 @@ static int __devinit juli_init(struct snd_ice1712 *ice)
ice->set_spdif_clock = juli_set_spdif_clock;
ice->spdif.ops.open = juli_spdif_in_open;
#ifdef CONFIG_PM
ice->pm_resume = juli_resume;
ice->pm_suspend = juli_suspend;
ice->pm_suspend_enabled = 1;
#endif
return 0;
}