46 lines
1.6 KiB
C
46 lines
1.6 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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#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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#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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