diff options
author | Donggeun Kim <dg77.kim@samsung.com> | 2012-01-03 02:22:03 -0500 |
---|---|---|
committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-01-03 15:20:01 -0500 |
commit | e1de2f423462a5c6ba2c902dff1f5ddd8d3dbde3 (patch) | |
tree | 4924c6a832f36ea58b83e8b1ecbf8602ca5b86ab /drivers/regulator | |
parent | 1bb50b28a984857c2487d13187af5b3701aed38a (diff) |
regulator: add regulator_bulk_force_disable function
This patch allows consumers to forcibly disable multiple regulator
clients in a single API call.
Signed-off-by: Donggeun Kim <dg77.kim@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/regulator')
-rw-r--r-- | drivers/regulator/core.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index eb750a1ed7f..ca86f39a0fd 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c | |||
@@ -2491,6 +2491,43 @@ err: | |||
2491 | EXPORT_SYMBOL_GPL(regulator_bulk_disable); | 2491 | EXPORT_SYMBOL_GPL(regulator_bulk_disable); |
2492 | 2492 | ||
2493 | /** | 2493 | /** |
2494 | * regulator_bulk_force_disable - force disable multiple regulator consumers | ||
2495 | * | ||
2496 | * @num_consumers: Number of consumers | ||
2497 | * @consumers: Consumer data; clients are stored here. | ||
2498 | * @return 0 on success, an errno on failure | ||
2499 | * | ||
2500 | * This convenience API allows consumers to forcibly disable multiple regulator | ||
2501 | * clients in a single API call. | ||
2502 | * NOTE: This should be used for situations when device damage will | ||
2503 | * likely occur if the regulators are not disabled (e.g. over temp). | ||
2504 | * Although regulator_force_disable function call for some consumers can | ||
2505 | * return error numbers, the function is called for all consumers. | ||
2506 | */ | ||
2507 | int regulator_bulk_force_disable(int num_consumers, | ||
2508 | struct regulator_bulk_data *consumers) | ||
2509 | { | ||
2510 | int i; | ||
2511 | int ret; | ||
2512 | |||
2513 | for (i = 0; i < num_consumers; i++) | ||
2514 | consumers[i].ret = | ||
2515 | regulator_force_disable(consumers[i].consumer); | ||
2516 | |||
2517 | for (i = 0; i < num_consumers; i++) { | ||
2518 | if (consumers[i].ret != 0) { | ||
2519 | ret = consumers[i].ret; | ||
2520 | goto out; | ||
2521 | } | ||
2522 | } | ||
2523 | |||
2524 | return 0; | ||
2525 | out: | ||
2526 | return ret; | ||
2527 | } | ||
2528 | EXPORT_SYMBOL_GPL(regulator_bulk_force_disable); | ||
2529 | |||
2530 | /** | ||
2494 | * regulator_bulk_free - free multiple regulator consumers | 2531 | * regulator_bulk_free - free multiple regulator consumers |
2495 | * | 2532 | * |
2496 | * @num_consumers: Number of consumers | 2533 | * @num_consumers: Number of consumers |