include/sound/tlv.h

   1 #ifndef __SOUND_TLV_H
   2 #define __SOUND_TLV_H
   3
   4 /*
   5  *  Advanced Linux Sound Architecture - ALSA - Driver
   6  *  Copyright (c) 2006 by Jaroslav Kysela <perex@perex.cz>
   7  *
   8  *
   9  *   This program is free software; you can redistribute it and/or modify
  10  *   it under the terms of the GNU General Public License as published by
  11  *   the Free Software Foundation; either version 2 of the License, or
  12  *   (at your option) any later version.
  13  *
  14  *   This program is distributed in the hope that it will be useful,
  15  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *   GNU General Public License for more details.
  18  *
  19  *   You should have received a copy of the GNU General Public License
  20  *   along with this program; if not, write to the Free Software
  21  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  22  *
  23  */
  24
  25 #include <uapi/sound/tlv.h>
  26
  27 /* For historical reasons, these macros are aliases to the ones in UAPI. */
  28 #define TLV_ITEM                        SNDRV_CTL_TLVD_ITEM
  29 #define TLV_LENGTH                      SNDRV_CTL_TLVD_LENGTH
  30
  31 #define TLV_CONTAINER_ITEM              SNDRV_CTL_TLVD_CONTAINER_ITEM
  32 #define DECLARE_TLV_CONTAINER           SNDRV_CTL_TLVD_DECLARE_CONTAINER
  33
  34 #define TLV_DB_SCALE_MASK               SNDRV_CTL_TLVD_DB_SCALE_MASK
  35 #define TLV_DB_SCALE_MUTE               SNDRV_CTL_TLVD_DB_SCALE_MUTE
  36 #define TLV_DB_SCALE_ITEM               SNDRV_CTL_TLVD_DB_SCALE_ITEM
  37 #define DECLARE_TLV_DB_SCALE            SNDRV_CTL_TLVD_DECLARE_DB_SCALE
  38
  39 #define TLV_DB_MINMAX_ITEM              SNDRV_CTL_TLVD_DB_MINMAX_ITEM
  40 #define TLV_DB_MINMAX_MUTE_ITEM         SNDRV_CTL_TLVD_DB_MINMAX_MUTE_ITEM
  41 #define DECLARE_TLV_DB_MINMAX           SNDRV_CTL_TLVD_DECLARE_DB_MINMAX
  42 #define DECLARE_TLV_DB_MINMAX_MUTE      SNDRV_CTL_TLVD_DECLARE_DB_MINMAX_MUTE
  43
  44 #define TLV_DB_LINEAR_ITEM              SNDRV_CTL_TLVD_DB_LINEAR_ITEM
  45 #define DECLARE_TLV_DB_LINEAR           SNDRV_CTL_TLVD_DECLARE_DB_LINEAR
  46
  47 #define TLV_DB_RANGE_ITEM               SNDRV_CTL_TLVD_DB_RANGE_ITEM
  48 #define DECLARE_TLV_DB_RANGE            SNDRV_CTL_TLVD_DECLARE_DB_RANGE
  49
  50 #define TLV_DB_GAIN_MUTE                SNDRV_CTL_TLVD_DB_GAIN_MUTE
  51
  52 /*
  53  * The below assumes that each item TLV is 4 words like DB_SCALE or LINEAR.
  54  * This is an old fasion and obsoleted by commit bf1d1c9b6179("ALSA: tlv: add
  55  * DECLARE_TLV_DB_RANGE()").
  56  */
  57 #define TLV_DB_RANGE_HEAD(num) \
  58         SNDRV_CTL_TLVT_DB_RANGE, 6 * (num) * sizeof(unsigned int)
  59
  60 #endif /* __SOUND_TLV_H */