include/sound/tlv.h

0001 /* SPDX-License-Identifier: GPL-2.0-or-later */
0002 #ifndef __SOUND_TLV_H
0003 #define __SOUND_TLV_H
0004
0005 /*
0006  *  Advanced Linux Sound Architecture - ALSA - Driver
0007  *  Copyright (c) 2006 by Jaroslav Kysela <perex@perex.cz>
0008  */
0009
0010 #include <uapi/sound/tlv.h>
0011
0012 /* For historical reasons, these macros are aliases to the ones in UAPI. */
0013 #define TLV_ITEM            SNDRV_CTL_TLVD_ITEM
0014 #define TLV_LENGTH          SNDRV_CTL_TLVD_LENGTH
0015
0016 #define TLV_CONTAINER_ITEM      SNDRV_CTL_TLVD_CONTAINER_ITEM
0017 #define DECLARE_TLV_CONTAINER       SNDRV_CTL_TLVD_DECLARE_CONTAINER
0018
0019 #define TLV_DB_SCALE_MASK       SNDRV_CTL_TLVD_DB_SCALE_MASK
0020 #define TLV_DB_SCALE_MUTE       SNDRV_CTL_TLVD_DB_SCALE_MUTE
0021 #define TLV_DB_SCALE_ITEM       SNDRV_CTL_TLVD_DB_SCALE_ITEM
0022 #define DECLARE_TLV_DB_SCALE        SNDRV_CTL_TLVD_DECLARE_DB_SCALE
0023
0024 #define TLV_DB_MINMAX_ITEM      SNDRV_CTL_TLVD_DB_MINMAX_ITEM
0025 #define TLV_DB_MINMAX_MUTE_ITEM     SNDRV_CTL_TLVD_DB_MINMAX_MUTE_ITEM
0026 #define DECLARE_TLV_DB_MINMAX       SNDRV_CTL_TLVD_DECLARE_DB_MINMAX
0027 #define DECLARE_TLV_DB_MINMAX_MUTE  SNDRV_CTL_TLVD_DECLARE_DB_MINMAX_MUTE
0028
0029 #define TLV_DB_LINEAR_ITEM      SNDRV_CTL_TLVD_DB_LINEAR_ITEM
0030 #define DECLARE_TLV_DB_LINEAR       SNDRV_CTL_TLVD_DECLARE_DB_LINEAR
0031
0032 #define TLV_DB_RANGE_ITEM       SNDRV_CTL_TLVD_DB_RANGE_ITEM
0033 #define DECLARE_TLV_DB_RANGE        SNDRV_CTL_TLVD_DECLARE_DB_RANGE
0034
0035 #define TLV_DB_GAIN_MUTE        SNDRV_CTL_TLVD_DB_GAIN_MUTE
0036
0037 /*
0038  * The below assumes that each item TLV is 4 words like DB_SCALE or LINEAR.
0039  * This is an old fasion and obsoleted by commit bf1d1c9b6179("ALSA: tlv: add
0040  * DECLARE_TLV_DB_RANGE()").
0041  */
0042 #define TLV_DB_RANGE_HEAD(num) \
0043     SNDRV_CTL_TLVT_DB_RANGE, 6 * (num) * sizeof(unsigned int)
0044
0045 #endif /* __SOUND_TLV_H */