ALSA: usb-audio: fix detection of vendor-specific device protocol settings

[~andy/linux] / sound / usb / pcm.c

diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index 3634cedf93061629619125690fb19dc7d0beae64..3b5135c930628fc092cad54e67ce2a7645c59c02 100644 (file)
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -173,13 +173,12 @@ int snd_usb_init_pitch(struct snd_usb_audio *chip, int iface,
 
        switch (altsd->bInterfaceProtocol) {
        case UAC_VERSION_1:
+       default:
                return init_pitch_v1(chip, iface, alts, fmt);
 
        case UAC_VERSION_2:
                return init_pitch_v2(chip, iface, alts, fmt);
        }
-
-       return -EINVAL;
 }
 
 /*