DECLARE_TLV_DB_RANGE() has the advantage over using TLV_DB_RANGE_HEAD() that it automatically calculates the number of items in the TLV and is hence less prone to manual error.
Generate using the following coccinelle script
// <smpl> @@ declarer name DECLARE_TLV_DB_RANGE; identifier tlv; constant x; @@ -unsigned int tlv[] = { - TLV_DB_RANGE_HEAD(x), +DECLARE_TLV_DB_RANGE(tlv, ... -}; +); // </smpl>
Signed-off-by: Lars-Peter Clausen lars@metafoo.de --- sound/soc/codecs/max9850.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/sound/soc/codecs/max9850.c b/sound/soc/codecs/max9850.c index 7c99052..c14a79d 100644 --- a/sound/soc/codecs/max9850.c +++ b/sound/soc/codecs/max9850.c @@ -67,13 +67,12 @@ static const struct regmap_config max9850_regmap = { .cache_type = REGCACHE_RBTREE, };
-static const unsigned int max9850_tlv[] = { - TLV_DB_RANGE_HEAD(4), +static const DECLARE_TLV_DB_RANGE(max9850_tlv, 0x18, 0x1f, TLV_DB_SCALE_ITEM(-7450, 400, 0), 0x20, 0x33, TLV_DB_SCALE_ITEM(-4150, 200, 0), 0x34, 0x37, TLV_DB_SCALE_ITEM(-150, 100, 0), - 0x38, 0x3f, TLV_DB_SCALE_ITEM(250, 50, 0), -}; + 0x38, 0x3f, TLV_DB_SCALE_ITEM(250, 50, 0) +);
static const struct snd_kcontrol_new max9850_controls[] = { SOC_SINGLE_TLV("Headphone Volume", MAX9850_VOLUME, 0, 0x3f, 1, max9850_tlv),