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[ALSA] Fix AC97 power-saving mode 

Fix the bug in AC97 power-saving mode that the power isn't turned on
when power_save is set to 1 via sysfs during the power off state.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Takashi Iwai 2006-10-19 15:20:08 +02:00 committed by Jaroslav Kysela
parent dbedca39fe
commit da43deb116
1 changed files with 2 additions and 6 deletions
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8
sound/pci/ac97/ac97_codec.c
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@ -570,8 +570,7 @@ int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value
ac97->power_up &= ~(1 << (reg>>1));
else
ac97->power_up |= 1 << (reg>>1);
if (power_save)
update_power_regs(ac97);
update_power_regs(ac97);
}
#endif
return err;
@ -2337,10 +2336,7 @@ int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup)
}
}
if (! power_save)
return 0;
if (! powerup && ac97->power_workq)
if (power_save && !powerup && ac97->power_workq)
/* adjust power-down bits after two seconds delay
* (for avoiding loud click noises for many (OSS) apps
* that open/close frequently)