linux/include/sound/tlv.h
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   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 */
  61