[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>

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)