From 6fe2937770f3d32fce63bea41869e356b51e1473 Mon Sep 17 00:00:00 2001
From: Arthur Heymans <arthur@aheymans.xyz>
Date: Mon, 17 Sep 2018 09:16:45 +0200
Subject: [PATCH] mb/lenovo/t400: Add 154WX5-TLB2 to display backlight PWM freq
 list

Vendor VBT on ThinkPad R500 intends to set a 220MHz backlight PWM frequency
which seems to work well.

Change-Id: Ic1a12c7e3173468561ed5615319962d0abc6d61b
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/28643
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
---
 src/mainboard/lenovo/t400/blc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/mainboard/lenovo/t400/blc.c b/src/mainboard/lenovo/t400/blc.c
index 38a1df2782..02c883c781 100644
--- a/src/mainboard/lenovo/t400/blc.c
+++ b/src/mainboard/lenovo/t400/blc.c
@@ -37,6 +37,8 @@ static const struct blc_pwm_t blc_entries[] = {
 	{"LTN154P3-L02", 110},
 	{"LTN154X3-L02", 110},
 	{"LTN154U2-L05", 110},
+	/* R500 */
+	{"154WX5-TLB2", 220},
 };
 
 int get_blc_values(const struct blc_pwm_t **entries)