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>
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1 changed files with 2 additions and 3 deletions
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@ -219,8 +219,6 @@ static __devinit int wm8994_ldo_probe(struct platform_device *pdev)
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ldo->wm8994 = wm8994;
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ldo->is_enabled = true;
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if (pdata->ldo[id].enable && gpio_is_valid(pdata->ldo[id].enable)) {
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ldo->enable = pdata->ldo[id].enable;
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@ -237,7 +235,8 @@ static __devinit int wm8994_ldo_probe(struct platform_device *pdev)
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ret);
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goto err_gpio;
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}
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}
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} else
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ldo->is_enabled = true;
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ldo->regulator = regulator_register(&wm8994_ldo_desc[id], &pdev->dev,
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pdata->ldo[id].init_data, ldo);
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