diff options
| -rw-r--r-- | sound/core/rtctimer.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sound/core/rtctimer.c b/sound/core/rtctimer.c index 9f7b32e1ccd..7cd5e8f5d4c 100644 --- a/sound/core/rtctimer.c +++ b/sound/core/rtctimer.c @@ -24,6 +24,7 @@ #include <linux/init.h> #include <linux/interrupt.h> #include <linux/moduleparam.h> +#include <linux/log2.h> #include <sound/core.h> #include <sound/timer.h> @@ -129,7 +130,7 @@ static int __init rtctimer_init(void) struct snd_timer *timer; if (rtctimer_freq < 2 || rtctimer_freq > 8192 || - (rtctimer_freq & (rtctimer_freq - 1)) != 0) { + !is_power_of_2(rtctimer_freq)) { snd_printk(KERN_ERR "rtctimer: invalid frequency %d\n", rtctimer_freq); return -EINVAL; |