On Mon, Jul 22, 2019 at 05:02:57PM +0200, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
>
> Now that the last user of platform data (sh ecovec24) defines a proper
> GPIO lookup and sets the 'default-on' device property, we can drop the
> platform_data-specific GPIO handling and unify a big chunk of code.
>
> The only field used from the platform data is now the fbdev pointer.
> -static int gpio_backlight_probe_dt(struct platform_device *pdev,
> - struct gpio_backlight *gbl)
> -{
> - struct device *dev = &pdev->dev;
> - enum gpiod_flags flags;
> - int ret;
> -
> - gbl->def_value = device_property_read_bool(dev, "default-on");
> - flags = gbl->def_value ? GPIOD_OUT_HIGH : GPIOD_OUT_LOW;
> -
> - gbl->gpiod = devm_gpiod_get(dev, NULL, flags);
> - if (IS_ERR(gbl->gpiod)) {
> - ret = PTR_ERR(gbl->gpiod);
> -
> - if (ret != -EPROBE_DEFER) {
> - dev_err(dev,
> - "Error: The gpios parameter is missing or invalid.\n");
> - }
> - return ret;
> - }
> -
> - return 0;
> -}
Why not leave this function (perhaps with different name)?
--
With Best Regards,
Andy Shevchenko
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