From a4f78b0b78c53bc0397d9a21dd8f3fa040f41616 Mon Sep 17 00:00:00 2001
From: Duncan Laurie <dlaurie@chromium.org>
Date: Fri, 13 Jun 2014 10:36:34 -0700
Subject: [PATCH] samus: Enable EC ALS device

Enable the ACPI Device for the EC ALS.

BUG=chrome-os-partner:24208
BRANCH=None
TEST=build and boot on samus, add acpi-als driver to the kernel
and read /sys/bus/iio/devices/iio:device0/in_illuminance_raw

Change-Id: I9e957464f835d5bd96d4806f896ac60db9dea5dc
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/203744
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
---
 src/mainboard/google/samus/acpi/ec.asl | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/mainboard/google/samus/acpi/ec.asl b/src/mainboard/google/samus/acpi/ec.asl
index 995c941356..746498a5dd 100644
--- a/src/mainboard/google/samus/acpi/ec.asl
+++ b/src/mainboard/google/samus/acpi/ec.asl
@@ -20,5 +20,8 @@
 /* mainboard configuration */
 #include <mainboard/google/samus/ec.h>
 
+/* Enable EC backed ALS device in ACPI */
+#define EC_ENABLE_ALS_DEVICE
+
 /* ACPI code for EC functions */
 #include <ec/google/chromeec/acpi/ec.asl>