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authorLaxman Dewangan <ldewangan@nvidia.com>2016-03-02 05:54:46 -0500
committerMark Brown <broonie@kernel.org>2016-03-02 09:31:45 -0500
commit909f7ee0b5f30f735e16864a7ed18d2e6123e6d9 (patch)
treed1a5c7de386afc4c23409df2dd2a3c0b505f4947
parent07a06694cb591592842b608dd3ada839503f1134 (diff)
regulator: core: Add support for active-discharge configuration
Add support to enable/disable active discharge of regulator via machine constraints. This configuration is done when setting machine constraint during regulator register and if regulator driver implemented the callback ops. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Mark Brown <broonie@kernel.org>
-rw-r--r--drivers/regulator/core.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 7ebb7c899158..5b1e049a5930 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1151,6 +1151,17 @@ static int set_machine_constraints(struct regulator_dev *rdev,
1151 } 1151 }
1152 } 1152 }
1153 1153
1154 if (rdev->constraints->active_discharge && ops->set_active_discharge) {
1155 bool ad_state = (rdev->constraints->active_discharge ==
1156 REGULATOR_ACTIVE_DISCHARGE_ENABLE) ? true : false;
1157
1158 ret = ops->set_active_discharge(rdev, ad_state);
1159 if (ret < 0) {
1160 rdev_err(rdev, "failed to set active discharge\n");
1161 return ret;
1162 }
1163 }
1164
1154 print_constraints(rdev); 1165 print_constraints(rdev);
1155 return 0; 1166 return 0;
1156out: 1167out: