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acrn-kernel
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Merge branch 'topic/mute-led' into for-next 

Pull mute-LED helper fixes from Jaroslav.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2021-04-01 10:04:31 +02:00
parent 5b1ed7df01 62327ebbdf
commit 1678320e74
2 changed files with 7 additions and 2 deletions
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4
sound/core/control.c
View File

@ -2074,7 +2074,7 @@ void snd_ctl_disconnect_layer(struct snd_ctl_layer_ops *lops)
struct snd_ctl_layer_ops *lops2, *prev_lops2;
down_write(&snd_ctl_layer_rwsem);
for (lops2 = snd_ctl_layer, prev_lops2 = NULL; lops2; lops2 = lops2->next)
for (lops2 = snd_ctl_layer, prev_lops2 = NULL; lops2; lops2 = lops2->next) {
if (lops2 == lops) {
if (!prev_lops2)
snd_ctl_layer = lops->next;
@ -2082,6 +2082,8 @@ void snd_ctl_disconnect_layer(struct snd_ctl_layer_ops *lops)
prev_lops2->next = lops->next;
break;
}
prev_lops2 = lops2;
}
up_write(&snd_ctl_layer_rwsem);
}
EXPORT_SYMBOL_GPL(snd_ctl_disconnect_layer);

5
sound/core/control_led.c
View File

@ -506,7 +506,7 @@ static char *parse_iface(char *s, unsigned int *val)
static ssize_t set_led_id(struct snd_ctl_led_card *led_card, const char *buf, size_t count,
bool attach)
{
char buf2[256], *s;
char buf2[256], *s, *os;
size_t len = max(sizeof(s) - 1, count);
struct snd_ctl_elem_id id;
int err;
@ -517,6 +517,7 @@ static ssize_t set_led_id(struct snd_ctl_led_card *led_card, const char *buf, si
id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
s = buf2;
while (*s) {
os = s;
if (!strncasecmp(s, "numid=", 6)) {
s = parse_uint(s + 6, &id.numid);
} else if (!strncasecmp(s, "iface=", 6)) {
@ -546,6 +547,8 @@ static ssize_t set_led_id(struct snd_ctl_led_card *led_card, const char *buf, si
}
if (*s == ',')
s++;
if (s == os)
break;
}
err = snd_ctl_led_set_id(led_card->number, &id, led_card->led->group, attach);