nb/intel/sandybridge: Use an enum for `gpu_panel_port_select`
All boards currently have backlight on either LVDS or eDP.
Change-Id: I878bc7f1ff75a2b82b9556e855aff1d4d03e0268
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45035
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
diff --git a/src/mainboard/lenovo/t420/devicetree.cb b/src/mainboard/lenovo/t420/devicetree.cb
index 5ac9cf5..ef40fc4 100644
--- a/src/mainboard/lenovo/t420/devicetree.cb
+++ b/src/mainboard/lenovo/t420/devicetree.cb
@@ -6,7 +6,7 @@
register "gpu_dp_d_hotplug" = "0x06"
# Enable Panel as LVDS and configure power delays
- register "gpu_panel_port_select" = "0" # LVDS
+ register "gpu_panel_port_select" = "PANEL_PORT_LVDS"
register "gpu_panel_power_cycle_delay" = "1"
register "gpu_panel_power_up_delay" = "300" # T1+T2: 30ms
register "gpu_panel_power_down_delay" = "300" # T5+T6: 30ms