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authorTakashi Iwai <tiwai@suse.de>2010-10-17 10:40:53 +0200
committerTakashi Iwai <tiwai@suse.de>2010-10-17 10:46:14 +0200
commitc08d91695b2a3349254a62b60f03f7971bd90fa0 (patch)
tree3587f3285600f15f126a7736dbfa7a0801e43894 /include/sound/tlv.h
parentALSA: HDA: Sigmatel: work around incorrect master muting (diff)
downloadlinux-dev-c08d91695b2a3349254a62b60f03f7971bd90fa0.tar.xz
linux-dev-c08d91695b2a3349254a62b60f03f7971bd90fa0.zip
ALSA: tlv - Define numbers in sound/tlv.h
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/sound/tlv.h')
-rw-r--r--include/sound/tlv.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/sound/tlv.h b/include/sound/tlv.h
index 9fd5b19ccf5c..7067e2dfb0b9 100644
--- a/include/sound/tlv.h
+++ b/include/sound/tlv.h
@@ -38,9 +38,11 @@
#define SNDRV_CTL_TLVT_DB_MINMAX 4 /* dB scale with min/max */
#define SNDRV_CTL_TLVT_DB_MINMAX_MUTE 5 /* dB scale with min/max with mute */
+#define TLV_DB_SCALE_MASK 0xffff
+#define TLV_DB_SCALE_MUTE 0x10000
#define TLV_DB_SCALE_ITEM(min, step, mute) \
SNDRV_CTL_TLVT_DB_SCALE, 2 * sizeof(unsigned int), \
- (min), ((step) & 0xffff) | ((mute) ? 0x10000 : 0)
+ (min), ((step) & TLV_DB_SCALE_MASK) | ((mute) ? TLV_DB_SCALE_MUTE : 0)
#define DECLARE_TLV_DB_SCALE(name, min, step, mute) \
unsigned int name[] = { TLV_DB_SCALE_ITEM(min, step, mute) }