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authorTakashi Iwai <tiwai@suse.de>2006-10-19 15:20:08 +0200
committerJaroslav Kysela <perex@suse.cz>2006-10-22 10:51:14 +0200
commitda43deb116c0cea9ca2174f2ac64985c4d53077e (patch)
tree428fc211c4d166941845d0858c32e6be3ed7f1a7 /sound
parentdbedca39fe30db87b6401e4396f959c63d90082e (diff)
downloadlinux-2.6.34-ux500-da43deb116c0cea9ca2174f2ac64985c4d53077e.tar.gz
[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>
Diffstat (limited to 'sound')
-rw-r--r--sound/pci/ac97/ac97_codec.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c
index a79e91850ba..6577b232535 100644
--- a/sound/pci/ac97/ac97_codec.c
+++ b/sound/pci/ac97/ac97_codec.c
@@ -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)