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OpenCloudOS-Kernel
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regmap: Add support for 2/6 register formating 

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Wolfram Sang 2012-01-27 16:10:22 +01:00 committed by Mark Brown
parent a24f64a648
commit 9aa507505c
1 changed files with 18 additions and 0 deletions
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18
drivers/base/regmap/regmap.c
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@ -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)
{
@ -180,6 +188,16 @@ 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: