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];