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| author |   Antoniu Miclaus <antoniu.miclaus@analog.com> | 2021-05-26 11:52:24 +0300 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2021-05-26 12:16:17 +0100 |
| commit | b24412aff37c58286a0aeafc5678fbdc6a527d54 (patch) | |
| tree | 8241a97b6a59b37831a156ef99370bf90655d5f8 /drivers/base/regmap/regmap.c | |
| parent | regmap: mdio: Don't modify output if error happened (diff) | |
| download | linux-dev-b24412aff37c58286a0aeafc5678fbdc6a527d54.tar.xz linux-dev-b24412aff37c58286a0aeafc5678fbdc6a527d54.zip | |
regmap: add support for 7/17 register formating
This patch adds support for 7 bits register, 17 bits value type register
formating. This is used, for example, by the Analog Devices
ADMV1013/ADMV1014.
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Signed-off-by: Andrei Drimbarean <andrei.drimbarean@analog.com>
Message-Id: <20210526085223.14896-1-antoniu.miclaus@analog.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | drivers/base/regmap/regmap.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index 0d185ec018a5..fe3e38dd5324 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -243,6 +243,16 @@ static void regmap_format_7_9_write(struct regmap *map, *out = cpu_to_be16((reg << 9) | val); } +static void regmap_format_7_17_write(struct regmap *map, + unsigned int reg, unsigned int val) +{ + u8 *out = map->work_buf; + + out[2] = val; + out[1] = val >> 8; + out[0] = (val >> 16) | (reg << 1); +} + static void regmap_format_10_14_write(struct regmap *map, unsigned int reg, unsigned int val) { @@ -885,6 +895,9 @@ struct regmap *__regmap_init(struct device *dev, case 9: map->format.format_write = regmap_format_7_9_write; break; + case 17: + map->format.format_write = regmap_format_7_17_write; + break; default: goto err_hwlock; } |