Messages in this thread Patch in this message | | | From | Antoniu Miclaus <> | Subject | [PATCH] regmap: add support for 7/17 register formating | Date | Wed, 26 May 2021 11:52:24 +0300 |
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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> --- drivers/base/regmap/regmap.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index 19f57ccfbe1d..bc1c36b93c15 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -230,6 +230,16 @@ 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) { @@ -864,6 +874,9 @@ 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; } -- 2.25.1
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