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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>
This commit is contained in:
Arthur Heymans 2018-09-17 09:16:45 +02:00 committed by Patrick Georgi
parent 4496a2e277
commit 6fe2937770
1 changed files with 2 additions and 0 deletions
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src/mainboard/lenovo/t400/blc.c
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@ -37,6 +37,8 @@ static const struct blc_pwm_t blc_entries[] = {
{"LTN154P3-L02", 110}, {"LTN154P3-L02", 110},
{"LTN154X3-L02", 110}, {"LTN154X3-L02", 110},
{"LTN154U2-L05", 110}, {"LTN154U2-L05", 110},
/* R500 */
{"154WX5-TLB2", 220},
}; };
int get_blc_values(const struct blc_pwm_t **entries) int get_blc_values(const struct blc_pwm_t **entries)