1 files changed, 13 insertions, 0 deletions

diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c
index e71fe55cebef..0e2ed3d05c45 100644
--- a/sound/usb/mixer_maps.c
+++ b/sound/usb/mixer_maps.c
@@ -179,6 +179,15 @@ static struct usbmix_name_map audigy2nx_map[] = {
         { 0 } /* terminator */
 };
 
+static struct usbmix_selector_map c400_selectors[] = {
+        {
+                .id = 0x80,
+                .count = 2,
+                .names = (const char*[]) {"Internal", "SPDIF"}
+        },
+        { 0 } /* terminator */
+};
+
 static struct usbmix_selector_map audigy2nx_selectors[] = {
         {
                 .id = 14, /* Capture Source */
@@ -367,6 +376,10 @@ static struct usbmix_ctl_map usbmix_ctl_maps[] = {
                 .map = hercules_usb51_map,
         },
         {
+                .id = USB_ID(0x0763, 0x2030),
+                .selector_map = c400_selectors,
+        },
+        {
                 .id = USB_ID(0x08bb, 0x2702),
                 .map = linex_map,
                 .ignore_ctl_error = 1,