2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or
5 * (at your option) any later version.
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
13 #ifndef __UAPI_SOUND_TLV_H
14 #define __UAPI_SOUND_TLV_H
16 #define SNDRV_CTL_TLVT_CONTAINER 0 /* one level down - group of TLVs */
17 #define SNDRV_CTL_TLVT_DB_SCALE 1 /* dB scale */
18 #define SNDRV_CTL_TLVT_DB_LINEAR 2 /* linear volume */
19 #define SNDRV_CTL_TLVT_DB_RANGE 3 /* dB range container */
20 #define SNDRV_CTL_TLVT_DB_MINMAX 4 /* dB scale with min/max */
21 #define SNDRV_CTL_TLVT_DB_MINMAX_MUTE 5 /* dB scale with min/max with mute */
24 * channel-mapping TLV items
25 * TLV length must match with num_channels
27 #define SNDRV_CTL_TLVT_CHMAP_FIXED 0x101 /* fixed channel position */
28 #define SNDRV_CTL_TLVT_CHMAP_VAR 0x102 /* channels freely swappable */
29 #define SNDRV_CTL_TLVT_CHMAP_PAIRED 0x103 /* pair-wise swappable */
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