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authorWolfram Sang <w.sang@pengutronix.de>2012-01-27 16:10:22 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-01-27 16:26:03 +0000
commit9aa507505cdcd10b7390398790f013374ee74a26 (patch)
tree1ed486dd7d9f1a0c54cdc082992150fed1fb635d /drivers/base/regmap/regmap.c
parenta24f64a648376766497fddd8bc24b1ca5b906431 (diff)
downloadop-kernel-dev-9aa507505cdcd10b7390398790f013374ee74a26.zip
op-kernel-dev-9aa507505cdcd10b7390398790f013374ee74a26.tar.gz
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>
Diffstat (limited to 'drivers/base/regmap/regmap.c')
-rw-r--r--drivers/base/regmap/regmap.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 2d71aea..b4475d8 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)
{
@@ -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:
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