From: Clemens Ladisch <clemens@ladisch.de>
Date: Fri, 2 Dec 2011 22:20:00 +0000 (+0100)
Subject: ALSA: tlv: add DECLARE_TLV_CONTAINER()
X-Git-Tag: master-2012-08-06~100^2~6^2~6
X-Git-Url: http://pileus.org/git/?a=commitdiff_plain;h=570aef5de13df21e42eeb90db67e2436bee91bd4;p=~andy%2Flinux

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>
---

diff --git a/include/sound/tlv.h b/include/sound/tlv.h
index 137d1654e8d..a9ff3db3829 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)			\