[PATCH 2/7] platform/x86: uniwill-laptop: Handle screen-related events

[Armin Wolf <W_Armin@gmx.de>]

The EC will report event 0xCC on some devices when the screen
has been enabled/disabled during resume/suspend. Ignore this
event because it is currently unused by the driver.

Signed-off-by: Armin Wolf <W_Armin@gmx.de>
---
 drivers/platform/x86/uniwill/uniwill-acpi.c | 6 ++++++
 drivers/platform/x86/uniwill/uniwill-wmi.h  | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/drivers/platform/x86/uniwill/uniwill-acpi.c b/drivers/platform/x86/uniwill/uniwill-acpi.c
index fd040197b189..b3be2f2dbdd8 100644
--- a/drivers/platform/x86/uniwill/uniwill-acpi.c
+++ b/drivers/platform/x86/uniwill/uniwill-acpi.c
@@ -95,6 +95,9 @@
 
 #define EC_ADDR_MAIN_FAN_RPM_2		0x0465
 
+#define EC_ADDR_SCREEN_STATUS		0x0466
+#define SCREEN_SUSPENDED		BIT(6)
+
 #define EC_ADDR_SECOND_FAN_RPM_1	0x046C
 
 #define EC_ADDR_SECOND_FAN_RPM_2	0x046D
@@ -488,6 +491,9 @@ static const struct key_entry uniwill_keymap[] = {
 	/* Reported when the user wants to toggle the benchmark mode status */
 	{ KE_IGNORE,    UNIWILL_OSD_BENCHMARK_MODE_TOGGLE,      { KEY_UNKNOWN }},
 
+	/* Reported when the screen is enabled/disabled during resume/suspend */
+	{ KE_IGNORE,	UNIWILL_OSD_SCREEN_STATE_CHANGED,	{ KEY_UNKNOWN }},
+
 	/* Reported when the user wants to toggle the webcam */
 	{ KE_IGNORE,    UNIWILL_OSD_WEBCAM_TOGGLE,              { KEY_UNKNOWN }},
 
diff --git a/drivers/platform/x86/uniwill/uniwill-wmi.h b/drivers/platform/x86/uniwill/uniwill-wmi.h
index fb1910c0f741..b25b2f31211c 100644
--- a/drivers/platform/x86/uniwill/uniwill-wmi.h
+++ b/drivers/platform/x86/uniwill/uniwill-wmi.h
@@ -113,6 +113,8 @@
 
 #define UNIWILL_OSD_BENCHMARK_MODE_TOGGLE	0xC0
 
+#define UNIWILL_OSD_SCREEN_STATE_CHANGED	0xCC
+
 #define UNIWILL_OSD_WEBCAM_TOGGLE		0xCF
 
 #define UNIWILL_OSD_KBD_BACKLIGHT_CHANGED	0xF0
-- 
2.39.5