diff options
| author | Iru Cai <mytbk920423@gmail.com> | 2020-01-30 19:19:37 +0800 |
|---|---|---|
| committer | Alexander Couzens <lynxis@fe80.eu> | 2020-02-03 04:03:03 +0000 |
| commit | e127a8711f71067979211d53d4b855a353344f50 (patch) | |
| tree | dff8eccc253772f8cacf35c3793068ed2bd71564 /src | |
| parent | 1ab6f0c176c1aa6947bf0d3fbe0a213f316e9c67 (diff) | |
lenovo/t440p: fix keyboard backlight
It is found that keyboard backlight in T440p is enabled by clearing
bit 3 of EC RAM 0x01. This patch sets has_keyboard_backlight in
devicetree.cb and also corrects the CMOS configuration.
Change-Id: Ib4c2b1591d26e2bb33f9549e3933efe9a6e0b043
Signed-off-by: Iru Cai <mytbk920423@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38650
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Dennis Witzig <dennis@wtzg.de>
Reviewed-by: Alexander Couzens <lynxis@fe80.eu>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/lenovo/t440p/cmos.default | 2 | ||||
| -rw-r--r-- | src/mainboard/lenovo/t440p/cmos.layout | 7 | ||||
| -rw-r--r-- | src/mainboard/lenovo/t440p/devicetree.cb | 1 |
3 files changed, 6 insertions, 4 deletions
diff --git a/src/mainboard/lenovo/t440p/cmos.default b/src/mainboard/lenovo/t440p/cmos.default index b104ae145c..0949e7b13c 100644 --- a/src/mainboard/lenovo/t440p/cmos.default +++ b/src/mainboard/lenovo/t440p/cmos.default @@ -9,5 +9,5 @@ fn_ctrl_swap=Disable f1_to_f12_as_primary=Enable sticky_fn=Disable trackpoint=Enable -backlight=Both +backlight=Keyboard usb_always_on=Disable diff --git a/src/mainboard/lenovo/t440p/cmos.layout b/src/mainboard/lenovo/t440p/cmos.layout index 8c5fb0b14b..f65933a715 100644 --- a/src/mainboard/lenovo/t440p/cmos.layout +++ b/src/mainboard/lenovo/t440p/cmos.layout @@ -103,9 +103,10 @@ enumerations 8 1 Primary 9 0 AHCI 9 1 Compatible -10 0 Both -10 1 Keyboard only -10 2 Thinklight only +# Haswell ThinkPads have no Thinklight +#10 0 Both +10 1 Keyboard +#10 2 Thinklight only 10 3 None #12 0 Integrated Only #12 1 Discrete Only diff --git a/src/mainboard/lenovo/t440p/devicetree.cb b/src/mainboard/lenovo/t440p/devicetree.cb index 7e5e616d03..b63767e808 100644 --- a/src/mainboard/lenovo/t440p/devicetree.cb +++ b/src/mainboard/lenovo/t440p/devicetree.cb @@ -83,6 +83,7 @@ chip northbridge/intel/haswell register "config1" = "0x0d" register "config2" = "0xa8" register "config3" = "0xc4" + register "has_keyboard_backlight" = "1" register "event2_enable" = "0xff" register "event3_enable" = "0xff" register "event4_enable" = "0xd0" |