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path: root/sound/pci/ac97/ac97_patch.c
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Diffstat (limited to 'sound/pci/ac97/ac97_patch.c')
-rw-r--r--sound/pci/ac97/ac97_patch.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c
index 98c8b727b62b..50c637e55ffa 100644
--- a/sound/pci/ac97/ac97_patch.c
+++ b/sound/pci/ac97/ac97_patch.c
@@ -133,6 +133,14 @@ static int ac97_channel_mode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e
struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
unsigned char mode = ucontrol->value.enumerated.item[0];
+ if (kcontrol->private_value) {
+ if (mode >= 2)
+ return -EINVAL;
+ } else {
+ if (mode >= 3)
+ return -EINVAL;
+ }
+
if (mode != ac97->channel_mode) {
ac97->channel_mode = mode;
if (ac97->build_ops->update_jacks)
@@ -2142,8 +2150,7 @@ static int snd_ac97_ad1985_vrefout_put(struct snd_kcontrol *kcontrol,
struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
unsigned short val;
- if (ucontrol->value.enumerated.item[0] > 3
- || ucontrol->value.enumerated.item[0] < 0)
+ if (ucontrol->value.enumerated.item[0] > 3)
return -EINVAL;
val = ctrl2reg[ucontrol->value.enumerated.item[0]]
<< AC97_AD198X_VREF_SHIFT;
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