Unverified Commit 90bd060f authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!10133 ALSA: timer: Set lower bound of start tick time 

Merge Pull Request from: @ci-robot 
 
PR sync from: Hui Tang <tanghui20@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/IQDXKSFV5HFJWJM32YJCH6J76PXDVQES/ 
 
https://gitee.com/src-openeuler/kernel/issues/IA6S6Y 
 
Link:https://gitee.com/openeuler/kernel/pulls/10133

 

Reviewed-by: default avatarZucheng Zheng <zhengzucheng@huawei.com>
Signed-off-by: default avatarZhang Peng <zhangpeng362@huawei.com>
parents c5aac4b6 b38b099b

sound/core/timer.c

+10 −0
Original line number Diff line number Diff line
@@ -553,6 +553,16 @@ static int snd_timer_start1(struct snd_timer_instance *timeri, 
		goto unlock;

	}



	/* check the actual time for the start tick;

	 * bail out as error if it's way too low (< 100us)

	 */

	if (start) {

		if ((u64)snd_timer_hw_resolution(timer) * ticks < 100000) {

			result = -EINVAL;

			goto unlock;

		}

	}



	if (start)

		timeri->ticks = timeri->cticks = ticks;

	else if (!timeri->cticks)