On Thu, 7 Mar 2013, Benjamin Tissoires wrote:

quoted

quoted

+static int usbhid_idle(struct hid_device *hid, int report, int idle,
+             int reqtype)

Where does the need for passing the report argument come from please?

Well, I haven't checked in the USB spec, but hid_set_idle() in
usbhid/hid-core.c does require the reportID, so I add it to the
request.
I just gave a quick look at the HID/I2C spec, and it also requires the
report ID. The set_idle request is report specific.

You are right, I have missed the special meaning of lower byte of wValue.

Okay, I think it makes sense. I will be taking the patches.

Thanks Benjamin.

-- 
Jiri Kosina
SUSE Labs