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authorClemens Ladisch <clemens@ladisch.de>2011-12-02 23:20:00 +0100
committerTakashi Iwai <tiwai@suse.de>2012-07-16 10:02:16 +0200
commit570aef5de13df21e42eeb90db67e2436bee91bd4 (patch)
tree8625d8f3375be1f96bdefedeb373e13012c1ad64 /include
parentb5b9eb546762c4015c67c31364a6ec6f83fd2ada (diff)
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')
-rw-r--r--include/sound/tlv.h5
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) \