diff options
| -rw-r--r-- | sound/usb/mixer_scarlett.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/usb/mixer_scarlett.c b/sound/usb/mixer_scarlett.c index 673eb8d8724d..369968565c19 100644 --- a/sound/usb/mixer_scarlett.c +++ b/sound/usb/mixer_scarlett.c @@ -707,6 +707,10 @@ static int scarlett_ctl_meter_get(struct snd_kcontrol *kctl, int idx = snd_usb_ctrl_intf(elem->head.mixer->hostif) | (elem->head.id << 8); int err; + CLASS(snd_usb_lock, pm)(chip); + if (pm.err < 0) + return -EIO; + err = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), UAC2_CS_MEM, |