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authorTakashi Iwai <tiwai@suse.de>2007-11-15 15:58:13 +0100
committerJaroslav Kysela <perex@perex.cz>2008-01-31 17:29:24 +0100
commit4e98d6a7ce934b19bffb309f2522b22384355fef (patch)
tree8613aee414a855314663de2575f2bee284c8430c /sound/pci/ymfpci/ymfpci_main.c
parentab2dac2bdcf562dd616bd1fadddf5078ae7c3d83 (diff)
[ALSA] pci - check value range in ctl callbacks
Check the value ranges in ctl put callbacks properly in the rest of PCI drivers. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Diffstat (limited to 'sound/pci/ymfpci/ymfpci_main.c')
-rw-r--r--sound/pci/ymfpci/ymfpci_main.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/pci/ymfpci/ymfpci_main.c b/sound/pci/ymfpci/ymfpci_main.c
index 1fe39ed28765..c0789a50ad20 100644
--- a/sound/pci/ymfpci/ymfpci_main.c
+++ b/sound/pci/ymfpci/ymfpci_main.c
@@ -1735,6 +1735,10 @@ static int snd_ymfpci_pcm_vol_put(struct snd_kcontrol *kcontrol,
ucontrol->value.integer.value[1] != chip->pcm_mixer[subs].right) {
chip->pcm_mixer[subs].left = ucontrol->value.integer.value[0];
chip->pcm_mixer[subs].right = ucontrol->value.integer.value[1];
+ if (chip->pcm_mixer[subs].left > 0x8000)
+ chip->pcm_mixer[subs].left = 0x8000;
+ if (chip->pcm_mixer[subs].right > 0x8000)
+ chip->pcm_mixer[subs].right = 0x8000;
substream = (struct snd_pcm_substream *)kcontrol->private_value;
spin_lock_irqsave(&chip->voice_lock, flags);