These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / include / uapi / sound / tlv.h

diff --git a/kernel/include/uapi/sound/tlv.h b/kernel/include/uapi/sound/tlv.h
new file mode 100644 (file)
index 0000000..ffc4f20
--- /dev/null
+++ b/kernel/include/uapi/sound/tlv.h
@@ -0,0 +1,31 @@
+/*
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ */
+
+#ifndef __UAPI_SOUND_TLV_H
+#define __UAPI_SOUND_TLV_H
+
+#define SNDRV_CTL_TLVT_CONTAINER 0     /* one level down - group of TLVs */
+#define SNDRV_CTL_TLVT_DB_SCALE        1       /* dB scale */
+#define SNDRV_CTL_TLVT_DB_LINEAR 2     /* linear volume */
+#define SNDRV_CTL_TLVT_DB_RANGE 3      /* dB range container */
+#define SNDRV_CTL_TLVT_DB_MINMAX 4     /* dB scale with min/max */
+#define SNDRV_CTL_TLVT_DB_MINMAX_MUTE 5        /* dB scale with min/max with mute */
+
+/*
+ * 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