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Commit 9746c619 authored by Alexandre Courbot's avatar Alexandre Courbot Committed by Thierry Reding
Browse files

drm/panel: simple: Use devm_gpiod_get_optional() 



Use the new devm_gpiod_get_optional() to simplify the probe code.

Signed-off-by: default avatarAlexandre Courbot <acourbot@nvidia.com>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent 77df01dc

drivers/gpu/drm/panel/panel-simple.c

+5 −7
Original line number Diff line number Diff line
@@ -247,16 +247,14 @@ static int panel_simple_probe(struct device *dev, const struct panel_desc *desc) 
	if (IS_ERR(panel->supply))

		return PTR_ERR(panel->supply);



	panel->enable_gpio = devm_gpiod_get(dev, "enable");

	panel->enable_gpio = devm_gpiod_get_optional(dev, "enable");

	if (IS_ERR(panel->enable_gpio)) {

		err = PTR_ERR(panel->enable_gpio);

		if (err != -ENOENT) {

		dev_err(dev, "failed to request GPIO: %d\n", err);

		return err;

	}



		panel->enable_gpio = NULL;

	} else {

	if (panel->enable_gpio) {

		err = gpiod_direction_output(panel->enable_gpio, 0);

		if (err < 0) {

			dev_err(dev, "failed to setup GPIO: %d\n", err);