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authorDavid S. Miller <davem@davemloft.net>2010-10-07 06:11:17 +0400
committerDavid S. Miller <davem@davemloft.net>2010-10-07 06:11:17 +0400
commit12e94471b2be5ef9b55b10004a3a2cd819490036 (patch)
treef84ae818687dc7c35bd54f11bfb9717278d28a4e /sound/usb/mixer.c
parent79315068f4560f3f7bd6e9790190dcb43059770c (diff)
parentcb655d0f3d57c23db51b981648e452988c0223f9 (diff)
downloadlinux-12e94471b2be5ef9b55b10004a3a2cd819490036.tar.xz
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'sound/usb/mixer.c')
-rw-r--r--sound/usb/mixer.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index c166db0057d3..3ed3901369ce 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -2175,7 +2175,15 @@ int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
}
host_iface = &usb_ifnum_to_if(chip->dev, ctrlif)->altsetting[0];
- mixer->protocol = get_iface_desc(host_iface)->bInterfaceProtocol;
+ switch (get_iface_desc(host_iface)->bInterfaceProtocol) {
+ case UAC_VERSION_1:
+ default:
+ mixer->protocol = UAC_VERSION_1;
+ break;
+ case UAC_VERSION_2:
+ mixer->protocol = UAC_VERSION_2;
+ break;
+ }
if ((err = snd_usb_mixer_controls(mixer)) < 0 ||
(err = snd_usb_mixer_status_create(mixer)) < 0)