On Fri, Jul 11, 2014 at 11:18 AM, Ezequiel Garcia
<ezequiel@xxxxxxxxxxxxxxxxxxxx> wrote:
> In order to support the "enable GPIO" available in many panel devices,
> this commit adds a proper devicetree binding.
>
> By providing an enable GPIO in the devicetree, the driver can now turn
> off and on the panel device, and/or the backlight device. Both the
> backlight and the GPIO are optional properties.
> + panel_mod->enable_gpio = devm_gpiod_get(&pdev->dev, "enable");
> + if (IS_ERR(panel_mod->enable_gpio)) {
> + ret = PTR_ERR(panel_mod->enable_gpio);
> + if (ret != -ENOENT) {
Shouldn't this be controlled by a regulator instead? What if the panel
is powered from a PMIC output?
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