1 /* 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. 6 * 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. 11 */ 12 13 #ifndef __UAPI_SOUND_TLV_H 14 #define __UAPI_SOUND_TLV_H 15 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 */ 22 23 /* 24 * channel-mapping TLV items 25 * TLV length must match with num_channels 26 */ 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 */ 30 31 #endif 32