Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=62e96a1caab86e0d3688d59fcb6f682cc52d4917
Commit: 62e96a1caab86e0d3688d59fcb6f682cc52d4917
Parent: ac519028a4e7b919eaff65a1535824259df326c6
Author: vignesh babu <[EMAIL PROTECTED]>
AuthorDate: Thu Feb 22 13:23:01 2007 +0100
Committer: Jaroslav Kysela <[EMAIL PROTECTED]>
CommitDate: Fri May 11 16:55:42 2007 +0200
[ALSA] is_power_of_2 in rtctimer.c
Replacing (n & (n-1)) in the context of power of 2 checks
with is_power_of_2
Signed-off-by: vignesh babu <[EMAIL PROTECTED]>
Signed-off-by: Takashi Iwai <[EMAIL PROTECTED]>
Signed-off-by: Jaroslav Kysela <[EMAIL PROTECTED]>
---
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 9f7b32e..7cd5e8f 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;
-
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