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-rw-r--r--drivers/hid/usbhid/hid-core.c40
1 files changed, 30 insertions, 10 deletions
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 245aef0de8f2..f9640a362caa 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -807,16 +807,36 @@ static int usbhid_output_raw_report(struct hid_device *hid, __u8 *buf, size_t co
807 struct usb_host_interface *interface = intf->cur_altsetting; 807 struct usb_host_interface *interface = intf->cur_altsetting;
808 int ret; 808 int ret;
809 809
810 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 810 if (usbhid->urbout) {
811 HID_REQ_SET_REPORT, 811 int actual_length;
812 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, 812 int skipped_report_id = 0;
813 ((report_type + 1) << 8) | *buf, 813 if (buf[0] == 0x0) {
814 interface->desc.bInterfaceNumber, buf + 1, count - 1, 814 /* Don't send the Report ID */
815 USB_CTRL_SET_TIMEOUT); 815 buf++;
816 816 count--;
817 /* count also the report id */ 817 skipped_report_id = 1;
818 if (ret > 0) 818 }
819 ret++; 819 ret = usb_interrupt_msg(dev, usbhid->urbout->pipe,
820 buf, count, &actual_length,
821 USB_CTRL_SET_TIMEOUT);
822 /* return the number of bytes transferred */
823 if (ret == 0) {
824 ret = actual_length;
825 /* count also the report id */
826 if (skipped_report_id)
827 ret++;
828 }
829 } else {
830 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
831 HID_REQ_SET_REPORT,
832 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
833 ((report_type + 1) << 8) | *buf,
834 interface->desc.bInterfaceNumber, buf + 1, count - 1,
835 USB_CTRL_SET_TIMEOUT);
836 /* count also the report id */
837 if (ret > 0)
838 ret++;
839 }
820 840
821 return ret; 841 return ret;
822} 842}