usb: gadget: f_hid: idle uses the highest byte for duration

SET_IDLE value must be shifted 8 bits to the right to get duration.
This confirmed by USBCV test.

Fixes: afcff6d ("usb: gadget: f_hid: added GET_IDLE and SET_IDLE handlers")
Cc: stable <[email protected]>
Signed-off-by: Maxim Devaev <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: mdevaev

drivers/usb/gadget/function/f_hid.c

@@ -573,7 +573,7 @@ static int hidg_setup(struct usb_function *f,
 		  | HID_REQ_SET_IDLE):
 		VDBG(cdev, "set_idle\n");
 		length = 0;
-		hidg->idle = value;
+		hidg->idle = value >> 8;
 		goto respond;
 		break;