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HID: logitech-dj: add support for 27 MHz mouse-only receivers 

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@redhat.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
This commit is contained in:
Hans de Goede 2019-04-20 13:21:57 +02:00 committed by Benjamin Tissoires
parent c9121cf637
commit 1f944ac626
2 changed files with 15 additions and 0 deletions
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1
drivers/hid/hid-ids.h
View File

@ -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

14
drivers/hid/hid-logitech-dj.c
View File

@ -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},
{}
};