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[v4,08/11] HID: asus: add support for the asus-wmi brightness handler

Message ID 20250324210151.6042-9-lkml@antheas.dev (mailing list archive)
State Superseded
Delegated to: Jiri Kosina
Headers show
Series HID: asus: Add RGB Support to Asus Z13, Ally, unify backlight asus-wmi, and Z13 QOL | expand

Commit Message

Antheas Kapenekakis March 24, 2025, 9:01 p.m. UTC 
If the asus-wmi brightness handler is available, send the
keyboard brightness events to it instead of passing them
to userspace. If it is not, fall back to sending them to it.

Reviewed-by: Luke D. Jones <luke@ljones.dev>
Tested-by: Luke D. Jones <luke@ljones.dev>
Signed-off-by: Antheas Kapenekakis <lkml@antheas.dev>
---
 drivers/hid/hid-asus.c | 11 +++++++++++
 1 file changed, 11 insertions(+)
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Patch

diff --git a/drivers/hid/hid-asus.c b/drivers/hid/hid-asus.c
index c40b5c14c797f..905453a4eb5b7 100644
--- a/drivers/hid/hid-asus.c
+++ b/drivers/hid/hid-asus.c
@@ -318,6 +318,17 @@  static int asus_event(struct hid_device *hdev, struct hid_field *field,
 			 usage->hid & HID_USAGE);
 	}
 
+	if (usage->type == EV_KEY && value) {
+		switch (usage->code) {
+		case KEY_KBDILLUMUP:
+			return !asus_hid_event(ASUS_EV_BRTUP);
+		case KEY_KBDILLUMDOWN:
+			return !asus_hid_event(ASUS_EV_BRTDOWN);
+		case KEY_KBDILLUMTOGGLE:
+			return !asus_hid_event(ASUS_EV_BRTTOGGLE);
+		}
+	}
+
 	return 0;
 }