root/include/sound/tlv.h

INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 #ifndef __SOUND_TLV_H
   3 #define __SOUND_TLV_H
   4 
   5 /*
   6  *  Advanced Linux Sound Architecture - ALSA - Driver
   7  *  Copyright (c) 2006 by Jaroslav Kysela <perex@perex.cz>
   8  */
   9 
  10 #include <uapi/sound/tlv.h>
  11 
  12 /* For historical reasons, these macros are aliases to the ones in UAPI. */
  13 #define TLV_ITEM                        SNDRV_CTL_TLVD_ITEM
  14 #define TLV_LENGTH                      SNDRV_CTL_TLVD_LENGTH
  15 
  16 #define TLV_CONTAINER_ITEM              SNDRV_CTL_TLVD_CONTAINER_ITEM
  17 #define DECLARE_TLV_CONTAINER           SNDRV_CTL_TLVD_DECLARE_CONTAINER
  18 
  19 #define TLV_DB_SCALE_MASK               SNDRV_CTL_TLVD_DB_SCALE_MASK
  20 #define TLV_DB_SCALE_MUTE               SNDRV_CTL_TLVD_DB_SCALE_MUTE
  21 #define TLV_DB_SCALE_ITEM               SNDRV_CTL_TLVD_DB_SCALE_ITEM
  22 #define DECLARE_TLV_DB_SCALE            SNDRV_CTL_TLVD_DECLARE_DB_SCALE
  23 
  24 #define TLV_DB_MINMAX_ITEM              SNDRV_CTL_TLVD_DB_MINMAX_ITEM
  25 #define TLV_DB_MINMAX_MUTE_ITEM         SNDRV_CTL_TLVD_DB_MINMAX_MUTE_ITEM
  26 #define DECLARE_TLV_DB_MINMAX           SNDRV_CTL_TLVD_DECLARE_DB_MINMAX
  27 #define DECLARE_TLV_DB_MINMAX_MUTE      SNDRV_CTL_TLVD_DECLARE_DB_MINMAX_MUTE
  28 
  29 #define TLV_DB_LINEAR_ITEM              SNDRV_CTL_TLVD_DB_LINEAR_ITEM
  30 #define DECLARE_TLV_DB_LINEAR           SNDRV_CTL_TLVD_DECLARE_DB_LINEAR
  31 
  32 #define TLV_DB_RANGE_ITEM               SNDRV_CTL_TLVD_DB_RANGE_ITEM
  33 #define DECLARE_TLV_DB_RANGE            SNDRV_CTL_TLVD_DECLARE_DB_RANGE
  34 
  35 #define TLV_DB_GAIN_MUTE                SNDRV_CTL_TLVD_DB_GAIN_MUTE
  36 
  37 /*
  38  * The below assumes that each item TLV is 4 words like DB_SCALE or LINEAR.
  39  * This is an old fasion and obsoleted by commit bf1d1c9b6179("ALSA: tlv: add
  40  * DECLARE_TLV_DB_RANGE()").
  41  */
  42 #define TLV_DB_RANGE_HEAD(num) \
  43         SNDRV_CTL_TLVT_DB_RANGE, 6 * (num) * sizeof(unsigned int)
  44 
  45 #endif /* __SOUND_TLV_H */