From 8a23b4e03d6873ec50f7d212de78ff01e393fc1a Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Tue, 11 Dec 2012 20:36:37 +0800 Subject: regulator: core: Fix logic to determinate if regulator can change voltage Having a linear_min_sel setting means the first linear_min_sel selectors are invalid. We need to subtract linear_min_sel when use n_voltages to determinate if regulator can change voltage. Signed-off-by: Axel Lin Signed-off-by: Mark Brown --- drivers/regulator/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/regulator') diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 1c8ff8c..f3cdfe5 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1881,7 +1881,7 @@ int regulator_can_change_voltage(struct regulator *regulator) if (rdev->constraints && rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_VOLTAGE && - rdev->desc->n_voltages > 1) + (rdev->desc->n_voltages - rdev->desc->linear_min_sel) > 1) return 1; return 0; -- cgit v1.1