diff options
Diffstat (limited to 'include/sound/tlv.h')
-rw-r--r-- | include/sound/tlv.h | 4 |
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 @@ | |||
38 | #define SNDRV_CTL_TLVT_DB_MINMAX 4 /* dB scale with min/max */ | 38 | #define SNDRV_CTL_TLVT_DB_MINMAX 4 /* dB scale with min/max */ |
39 | #define SNDRV_CTL_TLVT_DB_MINMAX_MUTE 5 /* dB scale with min/max with mute */ | 39 | #define SNDRV_CTL_TLVT_DB_MINMAX_MUTE 5 /* dB scale with min/max with mute */ |
40 | 40 | ||
41 | #define TLV_DB_SCALE_MASK 0xffff | ||
42 | #define TLV_DB_SCALE_MUTE 0x10000 | ||
41 | #define TLV_DB_SCALE_ITEM(min, step, mute) \ | 43 | #define TLV_DB_SCALE_ITEM(min, step, mute) \ |
42 | SNDRV_CTL_TLVT_DB_SCALE, 2 * sizeof(unsigned int), \ | 44 | SNDRV_CTL_TLVT_DB_SCALE, 2 * sizeof(unsigned int), \ |
43 | (min), ((step) & 0xffff) | ((mute) ? 0x10000 : 0) | 45 | (min), ((step) & TLV_DB_SCALE_MASK) | ((mute) ? TLV_DB_SCALE_MUTE : 0) |
44 | #define DECLARE_TLV_DB_SCALE(name, min, step, mute) \ | 46 | #define DECLARE_TLV_DB_SCALE(name, min, step, mute) \ |
45 | unsigned int name[] = { TLV_DB_SCALE_ITEM(min, step, mute) } | 47 | unsigned int name[] = { TLV_DB_SCALE_ITEM(min, step, mute) } |
46 | 48 | ||