Unverified Commit b24412af authored by Antoniu Miclaus's avatar Antoniu Miclaus Committed by Mark Brown
Browse files

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: default avatarAntoniu Miclaus <antoniu.miclaus@analog.com>
Signed-off-by: default avatarAndrei Drimbarean <andrei.drimbarean@analog.com>
Message-Id: <20210526085223.14896-1-antoniu.miclaus@analog.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent e56360d6

drivers/base/regmap/regmap.c

+13 −0
Original line number Diff line number Diff line
@@ -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;

		}