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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 /drivers/regulator
parentregulator: lp3971 - remove unnecessary ret value checking in lp3971_i2c_write() (diff)
downloadlinux-dev-c4604e49c1a5832a58789a22eba7ca982933e1be.tar.xz
linux-dev-c4604e49c1a5832a58789a22eba7ca982933e1be.zip
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>
Diffstat (limited to 'drivers/regulator')
-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 5a1dc8a24d35..03713bc66e4a 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);