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regulator: core: Allow specify apply_[reg|bit] for regmap based voltage_sel operations

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Some DVM regulators needs to update apply_bit after setting vsel_reg to
initiate voltage change on the output.  This patch adds apply_reg and
apply_bit to struct regulator_desc and update
regulator_set_voltage_sel_regmap() to set apply_bit of apply_reg when
apply_bit is set.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Axel Lin 2012-12-18 09:30:10 +08:00 • committed by Mark Brown
commit c8520b4c5d
2 changed files with 17 additions and 1 deletions
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6
include/linux/regulator/driver.h
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@ -193,6 +193,10 @@ enum regulator_type {
*
* @vsel_reg: Register for selector when using regulator_regmap_X_voltage_
* @vsel_mask: Mask for register bitfield used for selector
* @apply_reg: Register for initiate voltage change on the output when
* using regulator_set_voltage_sel_regmap
* @apply_bit: Register bitfield used for initiate voltage change on the
* output when using regulator_set_voltage_sel_regmap
* @enable_reg: Register for control when using regmap enable/disable ops
* @enable_mask: Mask for control when using regmap enable/disable ops
*
@ -218,6 +222,8 @@ struct regulator_desc {
unsigned int vsel_reg;
unsigned int vsel_mask;
unsigned int apply_reg;
unsigned int apply_bit;
unsigned int enable_reg;
unsigned int enable_mask;
unsigned int bypass_reg;