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| author |   Clemens Ladisch <clemens@ladisch.de> | 2011-12-02 23:20:00 +0100 |
|---|---|---|
| committer |   Takashi Iwai <tiwai@suse.de> | 2012-07-16 10:02:16 +0200 |
| commit | 570aef5de13df21e42eeb90db67e2436bee91bd4 (patch) | |
| tree | 8625d8f3375be1f96bdefedeb373e13012c1ad64 /include/sound/tlv.h | |
| parent | ALSA: tlv: compute TLV_*_ITEM lengths automatically (diff) | |
| download | wireguard-linux-570aef5de13df21e42eeb90db67e2436bee91bd4.tar.xz wireguard-linux-570aef5de13df21e42eeb90db67e2436bee91bd4.zip | |
ALSA: tlv: add DECLARE_TLV_CONTAINER()
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>
Diffstat (limited to 'include/sound/tlv.h')
| -rw-r--r-- | include/sound/tlv.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/sound/tlv.h b/include/sound/tlv.h index 137d1654e8d6..a9ff3db38296 100644 --- a/include/sound/tlv.h +++ b/include/sound/tlv.h @@ -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) \ |