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-rw-r--r--drivers/platform/chrome/wilco_ec/Kconfig9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/platform/chrome/wilco_ec/Kconfig b/drivers/platform/chrome/wilco_ec/Kconfig
index e09e4cebe9b4..2c8f6f15f28f 100644
--- a/drivers/platform/chrome/wilco_ec/Kconfig
+++ b/drivers/platform/chrome/wilco_ec/Kconfig
@@ -18,3 +18,12 @@ config WILCO_EC_DEBUGFS
manipulation and allow for testing arbitrary commands. This
interface is intended for debug only and will not be present
on production devices.
+
+config WILCO_EC_EVENTS
+ tristate "Enable event forwarding from EC to userspace"
+ depends on WILCO_EC
+ help
+ If you say Y here, you get support for the EC to send events
+ (such as power state changes) to userspace. The EC sends the events
+ over ACPI, and a driver queues up the events to be read by a
+ userspace daemon from /dev/wilco_event using read() and poll().