1 files changed, 8 insertions, 0 deletions

diff --git a/include/sound/tlv.h b/include/sound/tlv.h
index a64d8fe3f855..28c65e1ada21 100644
--- a/include/sound/tlv.h
+++ b/include/sound/tlv.h
@@ -86,4 +86,12 @@
 
 #define TLV_DB_GAIN_MUTE        -9999999
 
+/*
+ * channel-mapping TLV items
+ *  TLV length must match with num_channels
+ */
+#define SNDRV_CTL_TLVT_CHMAP_FIXED      0x101   /* fixed channel position */
+#define SNDRV_CTL_TLVT_CHMAP_VAR        0x102   /* channels freely swappable */
+#define SNDRV_CTL_TLVT_CHMAP_PAIRED     0x103   /* pair-wise swappable */
+
 #endif /* __SOUND_TLV_H */