diff options
| author | Stephen Boyd <sboyd@codeaurora.org> | 2015-07-17 14:41:54 -0700 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-07-24 18:28:46 +0100 |
| commit | 3a003baeec246f604ed1d2e0087560d7f15edcc6 (patch) | |
| tree | 6b9e16f35e605a1b23386be578df569b599e978b /drivers/regulator/core.c | |
| parent | bc0195aad0daa2ad5b0d76cce22b167bc3435590 (diff) | |
regulator: Add over current protection (OCP) support
Some regulators can automatically shut down when they detect an
over current event. Add an op (set_over_current_protection) and a
DT property + constraint to support this capability.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/regulator/core.c')
| -rw-r--r-- | drivers/regulator/core.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index c9f72019bd68..520413e2bca0 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1081,6 +1081,15 @@ static int set_machine_constraints(struct regulator_dev *rdev, } } + if (rdev->constraints->over_current_protection + && ops->set_over_current_protection) { + ret = ops->set_over_current_protection(rdev); + if (ret < 0) { + rdev_err(rdev, "failed to set over current protection\n"); + goto out; + } + } + print_constraints(rdev); return 0; out: |