ALSA: Extend chmap definitions for UAC2

USB audio class 2 has more channel map positions than we currently
have.  Let's add missing definitions.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 11 insertions, 1 deletions

diff --git a/include/uapi/sound/asound.h b/include/uapi/sound/asound.h
index 515b8fcd1ca9..1774a5c3ef10 100644
--- a/include/uapi/sound/asound.h
+++ b/include/uapi/sound/asound.h
@@ -492,7 +492,17 @@ enum {
         SNDRV_CHMAP_TRL,        /* top rear left */
         SNDRV_CHMAP_TRR,        /* top rear right */
         SNDRV_CHMAP_TRC,        /* top rear center */
-        SNDRV_CHMAP_LAST = SNDRV_CHMAP_TRC,
+        /* new definitions for UAC2 */
+        SNDRV_CHMAP_TFLC,       /* top front left center */
+        SNDRV_CHMAP_TFRC,       /* top front right center */
+        SNDRV_CHMAP_TSL,        /* top side left */
+        SNDRV_CHMAP_TSR,        /* top side right */
+        SNDRV_CHMAP_LLFE,       /* left LFE */
+        SNDRV_CHMAP_RLFE,       /* right LFE */
+        SNDRV_CHMAP_BC,         /* bottom center */
+        SNDRV_CHMAP_BLC,        /* bottom left center */
+        SNDRV_CHMAP_BRC,        /* bottom right center */
+        SNDRV_CHMAP_LAST = SNDRV_CHMAP_BRC,
 };
 
 #define SNDRV_CHMAP_POSITION_MASK       0xffff