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ALSA: tlv: add DECLARE_TLV_CONTAINER()

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Add the DECLARE_TLV_CONTAINER() macro to allow having static
TLVs containing more than one item.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Clemens Ladisch 2011-12-02 23:20:00 +01:00 committed by Takashi Iwai
parent b5b9eb5467
commit 570aef5de1
1 changed files with 5 additions and 0 deletions
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5
include/sound/tlv.h
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@ -43,6 +43,11 @@
#define TLV_LENGTH(...) \
((unsigned int)sizeof((const unsigned int[]) { __VA_ARGS__ }))
#define TLV_CONTAINER_ITEM(...) \
TLV_ITEM(SNDRV_CTL_TLVT_CONTAINER, __VA_ARGS__)
#define DECLARE_TLV_CONTAINER(name, ...) \
unsigned int name[] = { TLV_CONTAINER_ITEM(__VA_ARGS__) }
#define TLV_DB_SCALE_MASK 0xffff
#define TLV_DB_SCALE_MUTE 0x10000
#define TLV_DB_SCALE_ITEM(min, step, mute) \