33 static int __uvc_query_ctrl(struct uvc_device *dev, __u8 query, __u8 unit,  in __uvc_query_ctrl()  argument
40 	pipe = (query & 0x80) ? usb_rcvctrlpipe(dev->udev, 0)  in __uvc_query_ctrl()
42 	type |= (query & 0x80) ? USB_DIR_IN : USB_DIR_OUT;  in __uvc_query_ctrl()
44 	return usb_control_msg(dev->udev, pipe, query, type, cs << 8,  in __uvc_query_ctrl()
48 static const char *uvc_query_name(__u8 query)  in uvc_query_name()  argument
50 	switch (query) {  in uvc_query_name()
72 int uvc_query_ctrl(struct uvc_device *dev, __u8 query, __u8 unit,  in uvc_query_ctrl()  argument
77 	ret = __uvc_query_ctrl(dev, query, unit, intfnum, cs, data, size,  in uvc_query_ctrl()
81 			"unit %u: %d (exp. %u).\n", uvc_query_name(query), cs,  in uvc_query_ctrl()
208 	struct uvc_streaming_control *ctrl, int probe, __u8 query)  in uvc_get_video_ctrl()  argument
215 			query == UVC_GET_DEF)  in uvc_get_video_ctrl()
222 	ret = __uvc_query_ctrl(stream->dev, query, 0, stream->intfnum,  in uvc_get_video_ctrl()
226 	if ((query == UVC_GET_MIN || query == UVC_GET_MAX) && ret == 2) {  in uvc_get_video_ctrl()
238 	} else if (query == UVC_GET_DEF && probe == 1 && ret != size) {  in uvc_get_video_ctrl()
250 			"%d (exp. %u).\n", query, probe ? "probe" : "commit",  in uvc_get_video_ctrl()