From e1de2f423462a5c6ba2c902dff1f5ddd8d3dbde3 Mon Sep 17 00:00:00 2001 From: Donggeun Kim Date: Tue, 3 Jan 2012 16:22:03 +0900 Subject: 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 Signed-off-by: MyungJoo Ham Signed-off-by: Kyungmin Park Signed-off-by: Mark Brown --- drivers/regulator/core.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) (limited to 'drivers/regulator') diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index eb750a1ed7fe..ca86f39a0fdc 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -2490,6 +2490,43 @@ err: } EXPORT_SYMBOL_GPL(regulator_bulk_disable); +/** + * regulator_bulk_force_disable - force disable multiple regulator consumers + * + * @num_consumers: Number of consumers + * @consumers: Consumer data; clients are stored here. + * @return 0 on success, an errno on failure + * + * This convenience API allows consumers to forcibly disable multiple regulator + * clients in a single API call. + * NOTE: This should be used for situations when device damage will + * likely occur if the regulators are not disabled (e.g. over temp). + * Although regulator_force_disable function call for some consumers can + * return error numbers, the function is called for all consumers. + */ +int regulator_bulk_force_disable(int num_consumers, + struct regulator_bulk_data *consumers) +{ + int i; + int ret; + + for (i = 0; i < num_consumers; i++) + consumers[i].ret = + regulator_force_disable(consumers[i].consumer); + + for (i = 0; i < num_consumers; i++) { + if (consumers[i].ret != 0) { + ret = consumers[i].ret; + goto out; + } + } + + return 0; +out: + return ret; +} +EXPORT_SYMBOL_GPL(regulator_bulk_force_disable); + /** * regulator_bulk_free - free multiple regulator consumers * -- cgit v1.2.3-55-g7522