31 static int gpio_backlight_update_status(struct backlight_device *bl)  in gpio_backlight_update_status()  argument
33 	struct gpio_backlight *gbl = bl_get_data(bl);  in gpio_backlight_update_status()
34 	int brightness = bl->props.brightness;  in gpio_backlight_update_status()
36 	if (bl->props.power != FB_BLANK_UNBLANK ||  in gpio_backlight_update_status()
37 	    bl->props.fb_blank != FB_BLANK_UNBLANK ||  in gpio_backlight_update_status()
38 	    bl->props.state & (BL_CORE_SUSPENDED | BL_CORE_FBBLANK))  in gpio_backlight_update_status()
47 static int gpio_backlight_check_fb(struct backlight_device *bl,  in gpio_backlight_check_fb()  argument
50 	struct gpio_backlight *gbl = bl_get_data(bl);  in gpio_backlight_check_fb()
89 	struct backlight_device *bl;  in gpio_backlight_probe()  local
129 	bl = devm_backlight_device_register(&pdev->dev, dev_name(&pdev->dev),  in gpio_backlight_probe()
132 	if (IS_ERR(bl)) {  in gpio_backlight_probe()
134 		return PTR_ERR(bl);  in gpio_backlight_probe()
137 	bl->props.brightness = gbl->def_value;  in gpio_backlight_probe()
138 	backlight_update_status(bl);  in gpio_backlight_probe()
140 	platform_set_drvdata(pdev, bl);  in gpio_backlight_probe()