* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#include <sound/driver.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <linux/init.h>
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
- int oval;
+ unsigned int oval, nval;
snd_assert(chip->beep, return -ENXIO);
oval = chip->beep->volume;
- chip->beep->volume = ucontrol->value.integer.value[0];
+ nval = ucontrol->value.integer.value[0];
+ if (nval > 100)
+ return -EINVAL;
+ chip->beep->volume = nval;
return oval != chip->beep->volume;
}