diff options
| -rw-r--r-- | sound/usb/mixer_scarlett2.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/sound/usb/mixer_scarlett2.c b/sound/usb/mixer_scarlett2.c index 8a60c2169259..a3cbeba7bd24 100644 --- a/sound/usb/mixer_scarlett2.c +++ b/sound/usb/mixer_scarlett2.c @@ -3880,10 +3880,12 @@ static int scarlett2_meter_ctl_get(struct snd_kcontrol *kctl, u16 meter_levels[SCARLETT2_MAX_METERS]; int i, err; + mutex_lock(&private->data_mutex); + err = scarlett2_usb_get_meter_levels(elem->head.mixer, elem->channels, meter_levels); if (err < 0) - return err; + goto unlock; /* copy & translate from meter_levels[] using meter_level_map[] */ for (i = 0; i < elem->channels; i++) { @@ -3898,7 +3900,10 @@ static int scarlett2_meter_ctl_get(struct snd_kcontrol *kctl, ucontrol->value.integer.value[i] = value; } - return 0; +unlock: + mutex_unlock(&private->data_mutex); + + return err; } static const struct snd_kcontrol_new scarlett2_meter_ctl = { |