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Lines Matching refs:backlight

29 #include <linux/backlight.h>
207  * and the backlight to be enabled. Content will be visible on screen after
225 	ret = backlight_enable(panel->backlight);
227 		DRM_DEV_INFO(panel->dev, "failed to enable backlight: %d\n",
238  * This will typically turn off the panel's backlight or disable the display
251 	ret = backlight_disable(panel->backlight);
253 		DRM_DEV_INFO(panel->dev, "failed to disable backlight: %d\n",
328  * drm_panel_of_backlight - use backlight device node for backlight
331  * Use this function to enable backlight handling if your panel
332  * uses device tree and has a backlight phandle.
334  * When the panel is enabled backlight will be enabled after a
337  * When the panel is disabled backlight will be disabled before the
341  * will call this function at probe time. Backlight will then be handled
349 	struct backlight_device *backlight;
354 	backlight = devm_of_find_backlight(panel->dev);
356 	if (IS_ERR(backlight))
357 		return PTR_ERR(backlight);
359 	panel->backlight = backlight;