27 MHz mouse-only receivers send an unnumbered input report with the mouse
data, add special handling for this and add the c51b product-id to the
logi_dj_receivers table.
Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
---
drivers/hid/hid-ids.h | 1 +
drivers/hid/hid-logitech-dj.c | 14 ++++++++++++++
2 files changed, 15 insertions(+)
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 9b5f98b5688c..6b1a32b14042 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -762,6 +762,7 @@
#define USB_DEVICE_ID_S510_RECEIVER_2 0xc517
#define USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500 0xc512
#define USB_DEVICE_ID_MX3000_RECEIVER 0xc513
+#define USB_DEVICE_ID_LOGITECH_27MHZ_MOUSE_RECEIVER 0xc51b
#define USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER 0xc52b
#define USB_DEVICE_ID_LOGITECH_NANO_RECEIVER 0xc52f
#define USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2 0xc532
diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c
index 3004ca91b76b..08662b97b2cb 100644
--- a/drivers/hid/hid-logitech-dj.c
+++ b/drivers/hid/hid-logitech-dj.c
@@ -1483,6 +1483,16 @@ static int logi_dj_raw_event(struct hid_device *hdev,
data[0] = data[1];
data[1] = 0;
}
+ /* The 27 MHz mouse-only receiver sends unnumbered mouse data */
+ if (djrcv_dev->unnumbered_application == HID_GD_MOUSE &&
+ size == 6) {
+ u8 mouse_report[7];
+
+ /* Prepend report id */
+ mouse_report[0] = REPORT_TYPE_MOUSE;
+ memcpy(mouse_report + 1, data, 6);
+ logi_dj_recv_forward_input_report(hdev, mouse_report, 7);
+ }
return false;
}
@@ -1720,6 +1730,10 @@ static const struct hid_device_id logi_dj_receivers[] = {
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
USB_DEVICE_ID_S510_RECEIVER_2),
.driver_data = recvr_type_27mhz},
+ { /* Logitech 27 MHz HID++ 1.0 mouse-only receiver (0xc51b) */
+ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
+ USB_DEVICE_ID_LOGITECH_27MHZ_MOUSE_RECEIVER),
+ .driver_data = recvr_type_27mhz},
{}
};
--
2.21.0
