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linux
ALSA: topology: Export ID types for TLV controls.
Make sure userspace can define TLV controls for topology using the correct
type numbers and channel mappings.
Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
authored by
Liam Girdwood
and committed by
Mark Brown
932ae880
8a978234
+32
-14
+1
-14
include/sound/tlv.h
+1
-14
include/sound/tlv.h
···
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* ~(sizeof(unsigned int) - 1)) ....
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*/
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#define SNDRV_CTL_TLVT_CONTAINER 0 /* one level down - group of TLVs */
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#define SNDRV_CTL_TLVT_DB_SCALE 1 /* dB scale */
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#define SNDRV_CTL_TLVT_DB_LINEAR 2 /* linear volume */
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#define SNDRV_CTL_TLVT_DB_RANGE 3 /* dB range container */
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#define SNDRV_CTL_TLVT_DB_MINMAX 4 /* dB scale with min/max */
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#define SNDRV_CTL_TLVT_DB_MINMAX_MUTE 5 /* dB scale with min/max with mute */
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#include <uapi/sound/tlv.h>
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#define TLV_ITEM(type, ...) \
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(type), TLV_LENGTH(__VA_ARGS__), __VA_ARGS__
···
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SNDRV_CTL_TLVT_DB_RANGE, 6 * (num) * sizeof(unsigned int)
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#define TLV_DB_GAIN_MUTE -9999999
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/*
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* channel-mapping TLV items
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* TLV length must match with num_channels
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*/
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#define SNDRV_CTL_TLVT_CHMAP_FIXED 0x101 /* fixed channel position */
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#define SNDRV_CTL_TLVT_CHMAP_VAR 0x102 /* channels freely swappable */
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#define SNDRV_CTL_TLVT_CHMAP_PAIRED 0x103 /* pair-wise swappable */
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#endif /* __SOUND_TLV_H */
+31
include/uapi/sound/tlv.h
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include/uapi/sound/tlv.h
···
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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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#ifndef __UAPI_SOUND_TLV_H
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#define __UAPI_SOUND_TLV_H
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#define SNDRV_CTL_TLVT_CONTAINER 0 /* one level down - group of TLVs */
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#define SNDRV_CTL_TLVT_DB_SCALE 1 /* dB scale */
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#define SNDRV_CTL_TLVT_DB_LINEAR 2 /* linear volume */
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#define SNDRV_CTL_TLVT_DB_RANGE 3 /* dB range container */
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#define SNDRV_CTL_TLVT_DB_MINMAX 4 /* dB scale with min/max */
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#define SNDRV_CTL_TLVT_DB_MINMAX_MUTE 5 /* dB scale with min/max with mute */
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/*
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* channel-mapping TLV items
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* TLV length must match with num_channels
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*/
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#define SNDRV_CTL_TLVT_CHMAP_FIXED 0x101 /* fixed channel position */
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#define SNDRV_CTL_TLVT_CHMAP_VAR 0x102 /* channels freely swappable */
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#define SNDRV_CTL_TLVT_CHMAP_PAIRED 0x103 /* pair-wise swappable */
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#endif