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authorJoonyoung Shim <jy0922.shim@samsung.com>2010-08-06 15:48:24 +0100
committerLiam Girdwood <lrg@slimlogic.co.uk>2010-08-11 11:38:02 +0100
commitc4604e49c1a5832a58789a22eba7ca982933e1be (patch)
treee1213b269f22e6a9f98e7698518ffe3a5eec04a2
parent27ef7f00c96e45192d5dcc7e4589376f3a2fded3 (diff)
downloadop-kernel-dev-c4604e49c1a5832a58789a22eba7ca982933e1be.zip
op-kernel-dev-c4604e49c1a5832a58789a22eba7ca982933e1be.tar.gz
regulator: Default GPIO controlled WM8994 regulators to disabled
This ensures that if the GPIO was not enabled prior to the driver starting the regulator API will insert the required powerup ramp delay when it enables the regulator. The gpiolib API does not provide this information. [Rewrote changelog to describe the actual change -- broonie.] Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: stable@kernel.org Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
-rw-r--r--drivers/regulator/wm8994-regulator.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/regulator/wm8994-regulator.c b/drivers/regulator/wm8994-regulator.c
index 5a1dc8a..03713bc 100644
--- a/drivers/regulator/wm8994-regulator.c
+++ b/drivers/regulator/wm8994-regulator.c
@@ -219,8 +219,6 @@ static __devinit int wm8994_ldo_probe(struct platform_device *pdev)
ldo->wm8994 = wm8994;
- ldo->is_enabled = true;
-
if (pdata->ldo[id].enable && gpio_is_valid(pdata->ldo[id].enable)) {
ldo->enable = pdata->ldo[id].enable;
@@ -237,7 +235,8 @@ static __devinit int wm8994_ldo_probe(struct platform_device *pdev)
ret);
goto err_gpio;
}
- }
+ } else
+ ldo->is_enabled = true;
ldo->regulator = regulator_register(&wm8994_ldo_desc[id], &pdev->dev,
pdata->ldo[id].init_data, ldo);
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