diff options
| author | Takashi Iwai <tiwai@suse.de> | 2007-11-15 15:58:13 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2008-01-31 17:29:24 +0100 |
| commit | 4e98d6a7ce934b19bffb309f2522b22384355fef (patch) | |
| tree | 8613aee414a855314663de2575f2bee284c8430c /sound/pci/ymfpci/ymfpci_main.c | |
| parent | ab2dac2bdcf562dd616bd1fadddf5078ae7c3d83 (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.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/pci/ymfpci/ymfpci_main.c b/sound/pci/ymfpci/ymfpci_main.c index 1fe39ed2876..c0789a50ad2 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); |