HID_UP_CUSTOM     342 drivers/hid/hid-apple.c 	if (usage->hid == (HID_UP_CUSTOM | 0x0003) ||
HID_UP_CUSTOM    1098 drivers/hid/hid-input.c 	case HID_UP_CUSTOM: /* Reported on Logitech and Apple USB keyboards */
HID_UP_CUSTOM    1332 drivers/hid/hid-multitouch.c 	    (usage->hid & HID_USAGE_PAGE) == HID_UP_CUSTOM) {