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authorLaxman Dewangan <ldewangan@nvidia.com>2016-03-02 13:54:46 +0300
committerMark Brown <broonie@kernel.org>2016-03-02 17:13:05 +0300
commit670666b9e0aff40c65d8061a2f53e79eee238685 (patch)
tree04660dbf7aa36d14372c31d58a6647af77c94415 /drivers/regulator/core.c
parentbd667d40a999e35c270e424b6d550410cb2c6d06 (diff)
downloadlinux-670666b9e0aff40c65d8061a2f53e79eee238685.tar.xz
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>
Diffstat (limited to 'drivers/regulator/core.c')
-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 744c9889f88d..7ebb7c899158 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1140,6 +1140,17 @@ static int set_machine_constraints(struct regulator_dev *rdev,
}
}
+ if (rdev->constraints->active_discharge && ops->set_active_discharge) {
+ bool ad_state = (rdev->constraints->active_discharge ==
+ REGULATOR_ACTIVE_DISCHARGE_ENABLE) ? true : false;
+
+ ret = ops->set_active_discharge(rdev, ad_state);
+ if (ret < 0) {
+ rdev_err(rdev, "failed to set active discharge\n");
+ return ret;
+ }
+ }
+
print_constraints(rdev);
return 0;
out: