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| author | Stephen Boyd | 2015-06-12 02:37:04 +0200 |
|---|---|---|
| committer | Mark Brown | 2015-06-12 14:09:43 +0200 |
| commit | 23c779b9f9161d6568d3b2fca06e70ad182c480c (patch) | |
| tree | 314598f81db70f24dc8ead5f84c708cb8d5f00ef /drivers/regulator/core.c | |
| parent | regulator: Add system_load constraint (diff) | |
| download | kernel-qcow2-linux-23c779b9f9161d6568d3b2fca06e70ad182c480c.tar.gz kernel-qcow2-linux-23c779b9f9161d6568d3b2fca06e70ad182c480c.tar.xz kernel-qcow2-linux-23c779b9f9161d6568d3b2fca06e70ad182c480c.zip | |
regulator: Add pull down support
Some regulators need to be configured to pull down a resistor
when the regulator is disabled. Add an op (set_pull_down) and a
DT property + constraint to support this.
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 | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index c8d5e2b05fdf..60fcfba52592 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1051,6 +1051,14 @@ static int set_machine_constraints(struct regulator_dev *rdev, } } + if (rdev->constraints->pull_down && ops->set_pull_down) { + ret = ops->set_pull_down(rdev); + if (ret < 0) { + rdev_err(rdev, "failed to set pull down\n"); + goto out; + } + } + print_constraints(rdev); return 0; out: |