diff options
Diffstat (limited to 'sound/sh/aica.c')
| -rw-r--r-- | sound/sh/aica.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sound/sh/aica.c b/sound/sh/aica.c index 8861d2f7796e..12c41df255a1 100644 --- a/sound/sh/aica.c +++ b/sound/sh/aica.c @@ -523,11 +523,14 @@ static int aica_pcmvolume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_card_aica *dreamcastcard; + unsigned int vol; dreamcastcard = kcontrol->private_data; if (unlikely(!dreamcastcard->channel)) return -ETXTBSY; - if (unlikely(dreamcastcard->channel->vol == - ucontrol->value.integer.value[0])) + vol = ucontrol->value.integer.value[0]; + if (vol > 0xff) + return -EINVAL; + if (unlikely(dreamcastcard->channel->vol == vol)) return 0; dreamcastcard->channel->vol = ucontrol->value.integer.value[0]; dreamcastcard->master_volume = ucontrol->value.integer.value[0]; |