25 	struct gpio_backlight *gbl = bl_get_data(bl);  in gpio_backlight_update_status()  local
27 	gpiod_set_value_cansleep(gbl->gpiod, backlight_get_brightness(bl));  in gpio_backlight_update_status()
35 	struct gpio_backlight *gbl = bl_get_data(bl);  in gpio_backlight_controls_device()  local
37 	return !gbl->dev || gbl->dev == display_dev;  in gpio_backlight_controls_device()
53 	struct gpio_backlight *gbl;  in gpio_backlight_probe()  local
56 	gbl = devm_kzalloc(dev, sizeof(*gbl), GFP_KERNEL);  in gpio_backlight_probe()
57 	if (gbl == NULL)  in gpio_backlight_probe()
61 		gbl->dev = pdata->dev;  in gpio_backlight_probe()
65 	gbl->gpiod = devm_gpiod_get(dev, NULL, GPIOD_ASIS);  in gpio_backlight_probe()
66 	if (IS_ERR(gbl->gpiod))  in gpio_backlight_probe()
67 		return dev_err_probe(dev, PTR_ERR(gbl->gpiod),  in gpio_backlight_probe()
73 	bl = devm_backlight_device_register(dev, dev_name(dev), dev, gbl,  in gpio_backlight_probe()
85 	else if (gpiod_get_value_cansleep(gbl->gpiod) == 0)  in gpio_backlight_probe()
93 	ret = gpiod_direction_output(gbl->gpiod, init_brightness);  in gpio_backlight_probe()