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google/lars: Enable ALS connected to EC 

Lars has an ambient light sensor connected to the EC which
is presented to the OS as a standard ACPI0008 device.

BUG=none
BRANCH=none
TEST=emerge-lars coreboot

Change-Id: I406b634176dac3f4cf1894e6b386af3306d11ffa
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 37d96458a11c33899f210cc04d3bdab07ec18746
Original-Change-Id: I017aeed1a8684676557e483ffa895dc4bb125d26
Original-Signed-off-by: David Wu <David_Wu@quantatw.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/319364
Original-Commit-Ready: David Wu <david_wu@quantatw.com>
Original-Tested-by: David Wu <david_wu@quantatw.com>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/12990
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
This commit is contained in:
david 2015-12-18 20:11:08 +08:00 committed by Patrick Georgi
parent 77e9f09937
commit 8d66665637
1 changed files with 3 additions and 0 deletions
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3
src/mainboard/google/lars/acpi/ec.asl
View File

@ -17,6 +17,9 @@
#include "../ec.h"
#include "../gpio.h"
/* Enable EC backed ALS device in ACPI */
#define EC_ENABLE_ALS_DEVICE
/* Enable EC backed Keyboard Backlight in ACPI */
#define EC_ENABLE_KEYBOARD_BACKLIGHT