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/max9768.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/sound/soc/codecs/max9768.c b/sound/soc/codecs/max9768.c index bd41128..5b82e26 100644 --- a/sound/soc/codecs/max9768.c +++ b/sound/soc/codecs/max9768.c @@ -63,8 +63,7 @@ static int max9768_set_gpio(struct snd_kcontrol *kcontrol, return 0; }
-static const unsigned int volume_tlv[] = { - TLV_DB_RANGE_HEAD(43), +static const DECLARE_TLV_DB_RANGE(volume_tlv, 0, 0, TLV_DB_SCALE_ITEM(-16150, 0, 0), 1, 1, TLV_DB_SCALE_ITEM(-9280, 0, 0), 2, 2, TLV_DB_SCALE_ITEM(-9030, 0, 0), @@ -107,8 +106,8 @@ static const unsigned int volume_tlv[] = { 51, 57, TLV_DB_SCALE_ITEM(290, 50, 0), 58, 58, TLV_DB_SCALE_ITEM(650, 0, 0), 59, 62, TLV_DB_SCALE_ITEM(700, 60, 0), - 63, 63, TLV_DB_SCALE_ITEM(950, 0, 0), -}; + 63, 63, TLV_DB_SCALE_ITEM(950, 0, 0) +);
static const struct snd_kcontrol_new max9768_volume[] = { SOC_SINGLE_TLV("Playback Volume", MAX9768_VOL, 0, 63, 0, volume_tlv),