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HID: Send Report ID when numbered reports are sent over the control endpoint. 

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@signal11.us>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Alan Ott 2010-06-30 09:50:36 -04:00 committed by Jiri Kosina
parent 1f45e3249c
commit 29129a98e6
1 changed files with 10 additions and 3 deletions
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13
drivers/hid/usbhid/hid-core.c
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@ -827,14 +827,21 @@ 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++;
}