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/max9877.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-)
diff --git a/sound/soc/codecs/max9877.c b/sound/soc/codecs/max9877.c index fb448dd..61cc18e 100644 --- a/sound/soc/codecs/max9877.c +++ b/sound/soc/codecs/max9877.c @@ -28,19 +28,17 @@ static const struct reg_default max9877_regs[] = { { 4, 0x49 }, };
-static const unsigned int max9877_pgain_tlv[] = { - TLV_DB_RANGE_HEAD(2), +static const DECLARE_TLV_DB_RANGE(max9877_pgain_tlv, 0, 1, TLV_DB_SCALE_ITEM(0, 900, 0), - 2, 2, TLV_DB_SCALE_ITEM(2000, 0, 0), -}; + 2, 2, TLV_DB_SCALE_ITEM(2000, 0, 0) +);
-static const unsigned int max9877_output_tlv[] = { - TLV_DB_RANGE_HEAD(4), +static const DECLARE_TLV_DB_RANGE(max9877_output_tlv, 0, 7, TLV_DB_SCALE_ITEM(-7900, 400, 1), 8, 15, TLV_DB_SCALE_ITEM(-4700, 300, 0), 16, 23, TLV_DB_SCALE_ITEM(-2300, 200, 0), - 24, 31, TLV_DB_SCALE_ITEM(-700, 100, 0), -}; + 24, 31, TLV_DB_SCALE_ITEM(-700, 100, 0) +);
static const char *max9877_out_mode[] = { "INA -> SPK",