mirror of https://gitee.com/openkylin/linux.git
61 lines
2.3 KiB
C
61 lines
2.3 KiB
C
#ifndef __SOUND_TLV_H
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#define __SOUND_TLV_H
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/*
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* Advanced Linux Sound Architecture - ALSA - Driver
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* Copyright (c) 2006 by Jaroslav Kysela <perex@perex.cz>
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <uapi/sound/tlv.h>
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/* For historical reasons, these macros are aliases to the ones in UAPI. */
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#define TLV_ITEM SNDRV_CTL_TLVD_ITEM
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#define TLV_LENGTH SNDRV_CTL_TLVD_LENGTH
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#define TLV_CONTAINER_ITEM SNDRV_CTL_TLVD_CONTAINER_ITEM
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#define DECLARE_TLV_CONTAINER SNDRV_CTL_TLVD_DECLARE_CONTAINER
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#define TLV_DB_SCALE_MASK SNDRV_CTL_TLVD_DB_SCALE_MASK
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#define TLV_DB_SCALE_MUTE SNDRV_CTL_TLVD_DB_SCALE_MUTE
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#define TLV_DB_SCALE_ITEM SNDRV_CTL_TLVD_DB_SCALE_ITEM
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#define DECLARE_TLV_DB_SCALE SNDRV_CTL_TLVD_DECLARE_DB_SCALE
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#define TLV_DB_MINMAX_ITEM SNDRV_CTL_TLVD_DB_MINMAX_ITEM
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#define TLV_DB_MINMAX_MUTE_ITEM SNDRV_CTL_TLVD_DB_MINMAX_MUTE_ITEM
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#define DECLARE_TLV_DB_MINMAX SNDRV_CTL_TLVD_DECLARE_DB_MINMAX
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#define DECLARE_TLV_DB_MINMAX_MUTE SNDRV_CTL_TLVD_DECLARE_DB_MINMAX_MUTE
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#define TLV_DB_LINEAR_ITEM SNDRV_CTL_TLVD_DB_LINEAR_ITEM
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#define DECLARE_TLV_DB_LINEAR SNDRV_CTL_TLVD_DECLARE_DB_LINEAR
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#define TLV_DB_RANGE_ITEM SNDRV_CTL_TLVD_DB_RANGE_ITEM
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#define DECLARE_TLV_DB_RANGE SNDRV_CTL_TLVD_DECLARE_DB_RANGE
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#define TLV_DB_GAIN_MUTE SNDRV_CTL_TLVD_DB_GAIN_MUTE
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/*
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* The below assumes that each item TLV is 4 words like DB_SCALE or LINEAR.
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* This is an old fasion and obsoleted by commit bf1d1c9b6179("ALSA: tlv: add
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* DECLARE_TLV_DB_RANGE()").
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*/
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#define TLV_DB_RANGE_HEAD(num) \
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SNDRV_CTL_TLVT_DB_RANGE, 6 * (num) * sizeof(unsigned int)
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#endif /* __SOUND_TLV_H */
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