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Subject[PATCH v2 2/4] ALSA: usb-audio: ADC3: Fix channel mapping conversion for ADC3.
Date
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;
--
2.11.0
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