Asus ROG Zephyrus GA502DU Keyboard LED Kernel 5.5.11 Patch (version 1)

gistfile1.txt

diff --git a/drivers/hid/hid-asus.c b/drivers/hid/hid-asus.c
index e6e4c841fb06..f7fa2ceb728b 100644
--- a/drivers/hid/hid-asus.c
+++ b/drivers/hid/hid-asus.c
@@ -260,12 +260,14 @@ static int asus_report_input(struct asus_drvdata *drvdat, u8 *data, int size)
 static int asus_event(struct hid_device *hdev, struct hid_field *field,
 		      struct hid_usage *usage, __s32 value)
 {
-	if ((usage->hid & HID_USAGE_PAGE) == 0xff310000 &&
+	/* No need to warn because it'll just spam the log until we get a proper fix.
+     *
+     * if ((usage->hid & HID_USAGE_PAGE) == 0xff310000 &&
 	    (usage->hid & HID_USAGE) != 0x00 &&
 	    (usage->hid & HID_USAGE) != 0xff && !usage->type) {
 		hid_warn(hdev, "Unmapped Asus vendor usagepage code 0x%02x\n",
 			 usage->hid & HID_USAGE);
-	}
+	}*/
 
 	return 0;
 }
@@ -415,13 +417,13 @@ static int asus_kbd_register_leds(struct hid_device *hdev)
 		return ret;
 
 	/* Get keyboard functions */
-	ret = asus_kbd_get_functions(hdev, &kbd_func);
+	/* ret = asus_kbd_get_functions(hdev, &kbd_func);
 	if (ret < 0)
-		return ret;
+		return ret;*/
 
 	/* Check for backlight support */
-	if (!(kbd_func & SUPPORT_KBD_BACKLIGHT))
-		return -ENODEV;
+	/*if (!(kbd_func & SUPPORT_KBD_BACKLIGHT))
+		return -ENODEV;*/
 
 	drvdata->kbd_backlight = devm_kzalloc(&hdev->dev,
 					      sizeof(struct asus_kbd_leds),
@@ -696,8 +698,8 @@ static int asus_input_mapping(struct hid_device *hdev,
 	if ((usage->hid & HID_USAGE_PAGE) == 0xff310000) {
 		set_bit(EV_REP, hi->input->evbit);
 		switch (usage->hid & HID_USAGE) {
-		case 0x10: asus_map_key_clear(KEY_BRIGHTNESSDOWN);	break;
-		case 0x20: asus_map_key_clear(KEY_BRIGHTNESSUP);		break;
+		//case 0x10: asus_map_key_clear(KEY_BRIGHTNESSDOWN);	break;
+		//case 0x20: asus_map_key_clear(KEY_BRIGHTNESSUP);		break;
 		case 0x35: asus_map_key_clear(KEY_DISPLAY_OFF);		break;
 		case 0x6c: asus_map_key_clear(KEY_SLEEP);		break;
 		case 0x7c: asus_map_key_clear(KEY_MICMUTE);		break;
@@ -755,8 +757,8 @@ static int asus_input_mapping(struct hid_device *hdev,
 		case 0xff0a: asus_map_key_clear(BTN_A);	break;
 		case 0xff0b: asus_map_key_clear(BTN_B);	break;
 		case 0x00f1: asus_map_key_clear(KEY_WLAN);	break;
-		case 0x00f2: asus_map_key_clear(KEY_BRIGHTNESSDOWN);	break;
-		case 0x00f3: asus_map_key_clear(KEY_BRIGHTNESSUP);	break;
+		//case 0x00f2: asus_map_key_clear(KEY_BRIGHTNESSDOWN);	break;
+		//case 0x00f3: asus_map_key_clear(KEY_BRIGHTNESSUP);	break;
 		case 0x00f4: asus_map_key_clear(KEY_DISPLAY_OFF);	break;
 		case 0x00f7: asus_map_key_clear(KEY_CAMERA);	break;
 		case 0x00f8: asus_map_key_clear(KEY_PROG1);	break;
@@ -1040,6 +1042,9 @@ static const struct hid_device_id asus_devices[] = {
 		USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2), QUIRK_USE_KBD_BACKLIGHT },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
 		USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD3), QUIRK_G752_KEYBOARD },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, 
+        USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD4), 
+        QUIRK_USE_KBD_BACKLIGHT | QUIRK_NO_CONSUMER_USAGES },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
 		USB_DEVICE_ID_ASUSTEK_FX503VD_KEYBOARD),
 	  QUIRK_USE_KBD_BACKLIGHT },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 3a400ce603c4..e09fbc9f1e74 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -193,6 +193,7 @@
 #define USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1 0x1854
 #define USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2 0x1837
 #define USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD3 0x1822
+#define USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD4 0x1866
 #define USB_DEVICE_ID_ASUSTEK_FX503VD_KEYBOARD	0x1869
 
 #define USB_VENDOR_ID_ATEN		0x0557
diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c
index 0e7b2d998395..08d0d2d4454d 100644
--- a/drivers/hid/hid-quirks.c
+++ b/drivers/hid/hid-quirks.c
@@ -297,6 +297,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD3) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD4) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_ASUS_MD_5112) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_ASUS_MD_5110) },
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_T100CHI_KEYBOARD) },