[ALSA] powermac - Check value range in ctl callbacks

Check the value ranges in ctl put callbacks properly in snd-powermac
driver.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

1 files changed, 1 insertions, 1 deletions

diff --git a/sound/ppc/pmac.c b/sound/ppc/pmac.c
index 4f9b19c90a43..8c47bebc77c8 100644
--- a/sound/ppc/pmac.c
+++ b/sound/ppc/pmac.c
@@ -1028,7 +1028,7 @@ static int pmac_auto_mute_put(struct snd_kcontrol *kcontrol,
 {
         struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
         if (ucontrol->value.integer.value[0] != chip->auto_mute) {
-                chip->auto_mute = ucontrol->value.integer.value[0];
+                chip->auto_mute = !!ucontrol->value.integer.value[0];
                 if (chip->update_automute)
                         chip->update_automute(chip, 1);
                 return 1;