Changeset 464 for GPL/trunk/alsa-kernel/include/sound/tlv.h

Timestamp:

Oct 8, 2009, 10:35:00 AM (16 years ago)

Author:

Paul Smedley

Message:

Update ALSA kernel to 1.0.21 level

File:

• GPL/trunk/alsa-kernel/include/sound/tlv.h (modified) (2 diffs)

GPL/trunk/alsa-kernel/include/sound/tlv.h

@@ -36 +36 @@
 #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)                      \
@@ -42 +44 @@
 #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) */