From: Michael Drake michael.drake@codethink.co.uk
The channel mapping is defined by bChRelationship, not bChPurpose.
Fixes: 9a2fe9b801f5 ("ALSA: usb: initial USB Audio Device Class 3.0 support") Reviewed-by: Ruslan Bilovol ruslan.bilovol@gmail.com Signed-off-by: Michael Drake michael.drake@codethink.co.uk Signed-off-by: Jorge Sanjuan jorge.sanjuan@codethink.co.uk --- sound/usb/stream.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/usb/stream.c b/sound/usb/stream.c index 6a8f5843334e..956be9f7c72a 100644 --- a/sound/usb/stream.c +++ b/sound/usb/stream.c @@ -349,7 +349,7 @@ snd_pcm_chmap_elem *convert_chmap_v3(struct uac3_cluster_header_descriptor * TODO: this conversion is not complete, update it * after adding UAC3 values to asound.h */ - switch (is->bChPurpose) { + switch (is->bChRelationship) { case UAC3_CH_MONO: map = SNDRV_CHMAP_MONO; break;