|
@@ -119,16 +119,11 @@ static void rtctimer_interrupt(void *private_data)
|
|
|
*/
|
|
|
static int __init rtctimer_init(void)
|
|
|
{
|
|
|
- int order, err;
|
|
|
+ int err;
|
|
|
snd_timer_t *timer;
|
|
|
|
|
|
- if (rtctimer_freq < 2 || rtctimer_freq > 8192) {
|
|
|
- snd_printk(KERN_ERR "rtctimer: invalid frequency %d\n", rtctimer_freq);
|
|
|
- return -EINVAL;
|
|
|
- }
|
|
|
- for (order = 1; rtctimer_freq > order; order <<= 1)
|
|
|
- ;
|
|
|
- if (rtctimer_freq != order) {
|
|
|
+ if (rtctimer_freq < 2 || rtctimer_freq > 8192 ||
|
|
|
+ (rtctimer_freq & (rtctimer_freq - 1)) != 0) {
|
|
|
snd_printk(KERN_ERR "rtctimer: invalid frequency %d\n", rtctimer_freq);
|
|
|
return -EINVAL;
|
|
|
}
|