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Commit 62e96a1caab86e0d3688d59fcb6f682cc52d4917

Authored by vignesh babu
Committed by Jaroslav Kysela
1 parent ac519028a4
Exists in master and in 39 other branches 8mp-imx_5.4.70_2.3.0, 8qm-imx_5.4.70_2.3.0, emb_imx_lf-5.15.y, emb_lf-6.1.y, imx_3.0.35_4.1.0, imx_3.10.17_1.0.1_ga, imx_3.10.53_1.1.0_ga, imx_3.14.28_1.0.0_ga, imx_4.1.15_1.0.0_ga, pitx_8mp_lf-5.10.y, rt-smarc-imx_4.1.15_1.0.0_ga, rt_linux_5.15.71, smarc-8m-android-11.0.0_2.0.0, smarc-imx6_4.14.98_2.0.0_ga, smarc-imx6_4.9.88_2.0.0_ga, smarc-imx7_4.14.98_2.0.0_ga, smarc-imx7_4.9.11_1.0.0_ga, smarc-imx7_4.9.88_2.0.0_ga, smarc-imx_3.10.53_1.1.0_ga, smarc-imx_3.14.28_1.0.0_ga, smarc-imx_4.1.15_1.0.0_ga, smarc-imx_4.9.11_1.0.0_ga, smarc-imx_4.9.51_imx8m_ga, smarc-imx_4.9.88_2.0.0_ga, smarc-m6.0.1_2.1.0-ga, smarc-n7.1.2_2.0.0-ga, smarc-rel_imx_4.1.15_1.2.0_ga, smarc_8m_00d0_imx_4.14.98_2.0.0_ga, smarc_8m_imx_4.14.78_1.0.0_ga, smarc_8m_imx_4.14.98_2.0.0_ga, smarc_8m_imx_4.19.35_1.1.0, smarc_8mm_imx_4.14.78_1.0.0_ga, smarc_8mm_imx_4.14.98_2.0.0_ga, smarc_8mm_imx_4.19.35_1.1.0, smarc_8mm_imx_5.4.24_2.1.0, smarc_8mp_lf-5.10.y, smarc_8mq_imx_5.4.24_2.1.0, smarc_8mq_lf-5.10.y, smarc_imx_lf-5.15.y

[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 <vignesh.babu@wipro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

Showing 1 changed file with 2 additions and 1 deletions Side-by-side Diff

sound/core/rtctimer.c
Diff comments   View file @ 62e96a1
... ... @@ -24,6 +24,7 @@
24 24 #include <linux/init.h>
25 25 #include <linux/interrupt.h>
26 26 #include <linux/moduleparam.h>
  27 +#include <linux/log2.h>
27 28 #include <sound/core.h>
28 29 #include <sound/timer.h>
29 30  
... ... @@ -129,7 +130,7 @@
129 130 struct snd_timer *timer;
130 131  
131 132 if (rtctimer_freq < 2 || rtctimer_freq > 8192 ||
132   - (rtctimer_freq & (rtctimer_freq - 1)) != 0) {
  133 + !is_power_of_2(rtctimer_freq)) {
133 134 snd_printk(KERN_ERR "rtctimer: invalid frequency %d\n",
134 135 rtctimer_freq);
135 136 return -EINVAL;