1 files changed, 7 insertions, 1 deletions

diff --git a/sound/usb/card.c b/sound/usb/card.c
index 9feb00c831a0..b443a33d31c9 100644
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -465,7 +465,13 @@ static void *snd_usb_audio_probe(struct usb_device *dev,
                         goto __error;
         }
 
-        chip->ctrl_intf = alts;
+        /*
+         * For devices with more than one control interface, we assume the
+         * first contains the audio controls. We might need a more specific
+         * check here in the future.
+         */
+        if (!chip->ctrl_intf)
+                chip->ctrl_intf = alts;
 
         if (err > 0) {
                 /* create normal USB audio interfaces */