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authorDavid S. Miller <davem@davemloft.net>2009-09-11 20:35:13 -0700
committerDavid S. Miller <davem@davemloft.net>2009-09-11 20:35:13 -0700
commitcabc5c0f7fa1342049042d6e147db5a73773955b (patch)
tree2be09ae1777d580c7dfe05d6d5b76e57281ec447 /include/sound/tlv.h
parentb73d884756303316ead4cd7dad51236b2a515a1a (diff)
parent86d710146fb9975f04c505ec78caa43d227c1018 (diff)
downloadlinux-cabc5c0f7fa1342049042d6e147db5a73773955b.tar.bz2
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts: arch/sparc/Kconfig
Diffstat (limited to 'include/sound/tlv.h')
-rw-r--r--include/sound/tlv.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/sound/tlv.h b/include/sound/tlv.h
index d136ea2181ed..9fd5b19ccf5c 100644
--- a/include/sound/tlv.h
+++ b/include/sound/tlv.h
@@ -35,6 +35,8 @@
#define SNDRV_CTL_TLVT_DB_SCALE 1 /* dB scale */
#define SNDRV_CTL_TLVT_DB_LINEAR 2 /* linear volume */
#define SNDRV_CTL_TLVT_DB_RANGE 3 /* dB range container */
+#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_ITEM(min, step, mute) \
SNDRV_CTL_TLVT_DB_SCALE, 2 * sizeof(unsigned int), \
@@ -42,6 +44,18 @@
#define DECLARE_TLV_DB_SCALE(name, min, step, mute) \
unsigned int name[] = { TLV_DB_SCALE_ITEM(min, step, mute) }
+/* dB scale specified with min/max values instead of step */
+#define TLV_DB_MINMAX_ITEM(min_dB, max_dB) \
+ SNDRV_CTL_TLVT_DB_MINMAX, 2 * sizeof(unsigned int), \
+ (min_dB), (max_dB)
+#define TLV_DB_MINMAX_MUTE_ITEM(min_dB, max_dB) \
+ SNDRV_CTL_TLVT_DB_MINMAX_MUTE, 2 * sizeof(unsigned int), \
+ (min_dB), (max_dB)
+#define DECLARE_TLV_DB_MINMAX(name, min_dB, max_dB) \
+ unsigned int name[] = { TLV_DB_MINMAX_ITEM(min_dB, max_dB) }
+#define DECLARE_TLV_DB_MINMAX_MUTE(name, min_dB, max_dB) \
+ unsigned int name[] = { TLV_DB_MINMAX_MUTE_ITEM(min_dB, max_dB) }
+
/* linear volume between min_dB and max_dB (.01dB unit) */
#define TLV_DB_LINEAR_ITEM(min_dB, max_dB) \
SNDRV_CTL_TLVT_DB_LINEAR, 2 * sizeof(unsigned int), \