Unverified Commit fd0d0dd0 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!7645 ALSA: scarlett2: Add clamp() in scarlett2_mixer_ctl_put() 

Merge Pull Request from: @ci-robot 
 
PR sync from: felix <fuzhen5@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/RFY2PZ2Y7VMZSM3UQQGGRXXXQIIO7WMM/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9Q9ID 
 
Link:https://gitee.com/openeuler/kernel/pulls/7645

 

Reviewed-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents 518c4345 fc3570ce

sound/usb/mixer_scarlett_gen2.c

+2 −1
Original line number Diff line number Diff line
@@ -1509,7 +1509,8 @@ static int scarlett2_mixer_ctl_put(struct snd_kcontrol *kctl, 
	mutex_lock(&private->data_mutex);



	oval = private->mix[elem->control];

	val = ucontrol->value.integer.value[0];

	val = clamp(ucontrol->value.integer.value[0],

		    0L, (long)SCARLETT2_MIXER_MAX_VALUE);

	num_mixer_in = ports[SCARLETT2_PORT_TYPE_MIX].num[SCARLETT2_PORT_OUT];

	mix_num = elem->control / num_mixer_in;