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regulator: provide a helper for registering a fixed regulator

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Some devices require a regulator to work, but boards may not have
a software controllable regulator for this device. Provide a helper
function to make it simpler for these boards to register a fixed
regulator as a dummy regulator.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Sascha Hauer
2012-03-03 12:40:02 +01:00
committed by Mark Brown
parent 6b21d18ed5
commit 613330a0f7
3 changed files with 67 additions and 1 deletions
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include/linux/regulator/fixed.h
+13
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@@ -48,4 +48,17 @@ struct fixed_voltage_config {
struct regulator_init_data *init_data;
};
struct regulator_consumer_supply;
#if IS_ENABLED(CONFIG_REGULATOR)
struct platform_device *regulator_register_fixed(int id,
struct regulator_consumer_supply *supplies, int num_supplies);
#else
static inline struct platform_device *regulator_register_fixed(int id,
struct regulator_consumer_supply *supplies, int num_supplies)
{
return NULL;
}
#endif
#endif