Messages in this thread Patch in this message | | | From | Wolfram Sang <> | Subject | [PATCH 2/3] regmap: Add support for 2/6 register formating | Date | Fri, 27 Jan 2012 16:10:22 +0100 |
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Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> --- drivers/base/regmap/regmap.c | 18 ++++++++++++++++++ 1 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index 8bd0232..fb3c132 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -76,6 +76,14 @@ static bool regmap_volatile_range(struct regmap *map, unsigned int reg, return true; } +static void regmap_format_2_6_write(struct regmap *map, + unsigned int reg, unsigned int val) +{ + u8 *out = map->work_buf; + + *out = (reg << 6) | val; +} + static void regmap_format_4_12_write(struct regmap *map, unsigned int reg, unsigned int val) { @@ -178,6 +186,16 @@ struct regmap *regmap_init(struct device *dev, } switch (config->reg_bits) { + case 2: + switch (config->val_bits) { + case 6: + map->format.format_write = regmap_format_2_6_write; + break; + default: + goto err_map; + } + break; + case 4: switch (config->val_bits) { case 12: -- 1.7.8.3
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