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regulator: ab8500-ext: Add HW request support

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Support for HW request is added in the external regulator
driver. A flag in the board configuration can be set to
let HW control the regulator when there is no SW request.
This means that the regulator will be put in high power
mode when there is a SW request and in HW-request mode
otherwise.

Signed-off-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Mattias NILSSON <mattias.i.nilsson@stericsson.com>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Bengt Jonsson
2013-03-28 16:11:06 +00:00
committed by Mark Brown
parent e0c44686c3
commit 18bc2b3930
2 changed files with 77 additions and 29 deletions
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4
include/linux/regulator/ab8500.h
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@@ -143,6 +143,10 @@ enum ab9540_regulator_reg {
};
/* AB8500 external regulators */
struct ab8500_ext_regulator_cfg {
bool hwreq; /* requires hw mode or high power mode */
};
enum ab8500_ext_regulator_id {
AB8500_EXT_SUPPLY1,
AB8500_EXT_SUPPLY2,