26 	int ret;  in simple_panel_enable_backlight()  local
30 	ret = backlight_enable(priv->backlight);  in simple_panel_enable_backlight()
31 	debug("%s: done, ret = %d\n", __func__, ret);  in simple_panel_enable_backlight()
32 	if (ret)  in simple_panel_enable_backlight()
33 		return ret;  in simple_panel_enable_backlight()
41 	int ret;  in simple_panel_ofdata_to_platdata()  local
44 		ret = uclass_get_device_by_phandle(UCLASS_REGULATOR, dev,  in simple_panel_ofdata_to_platdata()
46 		if (ret) {  in simple_panel_ofdata_to_platdata()
47 			debug("%s: Warning: cannot get power supply: ret=%d\n",  in simple_panel_ofdata_to_platdata()
48 			      __func__, ret);  in simple_panel_ofdata_to_platdata()
49 			if (ret != -ENOENT)  in simple_panel_ofdata_to_platdata()
50 				return ret;  in simple_panel_ofdata_to_platdata()
53 	ret = uclass_get_device_by_phandle(UCLASS_PANEL_BACKLIGHT, dev,  in simple_panel_ofdata_to_platdata()
55 	if (ret) {  in simple_panel_ofdata_to_platdata()
56 		debug("%s: Cannot get backlight: ret=%d\n", __func__, ret);  in simple_panel_ofdata_to_platdata()
57 		return ret;  in simple_panel_ofdata_to_platdata()
59 	ret = gpio_request_by_name(dev, "enable-gpios", 0, &priv->enable,  in simple_panel_ofdata_to_platdata()
61 	if (ret) {  in simple_panel_ofdata_to_platdata()
62 		debug("%s: Warning: cannot get enable GPIO: ret=%d\n",  in simple_panel_ofdata_to_platdata()
63 		      __func__, ret);  in simple_panel_ofdata_to_platdata()
64 		if (ret != -ENOENT)  in simple_panel_ofdata_to_platdata()
65 			return ret;  in simple_panel_ofdata_to_platdata()
74 	int ret;  in simple_panel_probe()  local
78 		ret = regulator_set_enable(priv->reg, true);  in simple_panel_probe()
79 		if (ret)  in simple_panel_probe()
80 			return ret;  in simple_panel_probe()