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hidraw: add a workaround for the logitech receivers

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The vid/pid combo for the hidraw device is that of the receiver, not that of
the device (which we get from the event node).

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer
2015-08-20 14:45:16 +10:00
parent 2268bad104
commit 5ce5e8afec
1 changed files with 13 additions and 3 deletions
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16
src/libratbag-hidraw.c
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@@ -57,11 +57,21 @@ ratbag_open_hidraw(struct ratbag_device *ratbag)
"error while getting info from device");
goto err;
}
/* Check if the device actually matches the input node */
if (info.bustype != ratbag->ids.bustype ||
info.vendor != ratbag->ids.vendor ||
info.product != ratbag->ids.product) {
errno = EINVAL;
info.vendor != ratbag->ids.vendor) {
errno -EINVAL;
goto err;
}
/* On the Logitech receiver, the hid device has the pid of the
* receiver, not of the actual device */
if (info.product != ratbag->ids.product &&
(info.vendor == USB_VENDOR_ID_LOGITECH &&
info.product != (int16_t)USB_DEVICE_ID_UNIFYING_RECEIVER &&
info.product != (int16_t)USB_DEVICE_ID_UNIFYING_RECEIVER2)) {
errno = -EINVAL;
goto err;
}