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Diffstat (limited to 'sound/usb/mixer.c')
-rw-r--r--sound/usb/mixer.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 6b0f3a8469ef..81e987eaf063 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -2371,7 +2371,7 @@ static int build_audio_procunit(struct mixer_build *state, int unitid,
int num_ins;
struct usb_mixer_elem_info *cval;
struct snd_kcontrol *kctl;
- int i, err, nameid, type, len;
+ int i, err, nameid, type, len, val;
const struct procunit_info *info;
const struct procunit_value_info *valinfo;
const struct usbmix_name_map *map;
@@ -2474,6 +2474,12 @@ static int build_audio_procunit(struct mixer_build *state, int unitid,
break;
}
+ err = get_cur_ctl_value(cval, cval->control << 8, &val);
+ if (err < 0) {
+ usb_mixer_elem_info_free(cval);
+ return -EINVAL;
+ }
+
kctl = snd_ctl_new1(&mixer_procunit_ctl, cval);
if (!kctl) {
usb_mixer_elem_info_free(cval);