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-rw-r--r--sound/usb/mixer.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/usb/mixer.h b/sound/usb/mixer.h
index a7f3d45a8acf..aab80df201bd 100644
--- a/sound/usb/mixer.h
+++ b/sound/usb/mixer.h
@@ -43,6 +43,7 @@ struct usb_mixer_elem_info {
unsigned int id;
unsigned int control; /* CS or ICN (high byte) */
unsigned int cmask; /* channel mask bitmap: 0 = master */
+ unsigned int idx_off; /* Control index offset */
unsigned int ch_readonly;
unsigned int master_readonly;
int channels;