The Report ID wasn't sent as part of the payload for reports which were sent over the control endpoint. This is required by section 8.1 of the HID spec. Signed-off-by: Alan Ott <alan@xxxxxxxxxxx> --- drivers/hid/usbhid/hid-core.c | 13 ++++++++++--- 1 files changed, 10 insertions(+), 3 deletions(-) diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index deef816..1697687 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -854,14 +854,21 @@ static int usbhid_output_raw_report(struct hid_device *hid, __u8 *buf, size_t co ret++; } } else { + int skipped_report_id = 0; + if (buf[0] == 0x0) { + /* Don't send the Report ID */ + buf++; + count--; + skipped_report_id = 1; + } ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), HID_REQ_SET_REPORT, USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, ((report_type + 1) << 8) | *buf, - interface->desc.bInterfaceNumber, buf + 1, count - 1, + interface->desc.bInterfaceNumber, buf, count, USB_CTRL_SET_TIMEOUT); - /* count also the report id */ - if (ret > 0) + /* count also the report id, if this was a numbered report. */ + if (ret > 0 && skipped_report_id) ret++; } -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html