V4L/DVB (13996): gspca_stv0680: Fix streaming on vga cameras

Streaming of VGA stv0680 based cams (instead of CIF ones) failed, because
we were using the wrong control pipe for certain commands, this patch fixes
this.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/gspca/stv0680.c

@@ -53,24 +53,28 @@ static int stv_sndctrl(struct gspca_dev *gspca_dev, int set, u8 req, u16 val,
 {
 	int ret = -1;
 	u8 req_type = 0;
+	unsigned int pipe = 0;
 
 	switch (set) {
 	case 0: /*  0xc1  */
 		req_type = USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT;
+		pipe = usb_rcvctrlpipe(gspca_dev->dev, 0);
 		break;
 	case 1: /*  0x41  */
 		req_type = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT;
+		pipe = usb_sndctrlpipe(gspca_dev->dev, 0);
 		break;
 	case 2:	/*  0x80  */
 		req_type = USB_DIR_IN | USB_RECIP_DEVICE;
+		pipe = usb_rcvctrlpipe(gspca_dev->dev, 0);
 		break;
 	case 3:	/*  0x40  */
 		req_type = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE;
+		pipe = usb_sndctrlpipe(gspca_dev->dev, 0);
 		break;
 	}
 
-	ret = usb_control_msg(gspca_dev->dev,
-			      usb_rcvctrlpipe(gspca_dev->dev, 0),
+	ret = usb_control_msg(gspca_dev->dev, pipe,
 			      req, req_type,
 			      val, 0, gspca_dev->usb_buf, size, 500);
 
@@ -173,6 +177,8 @@ static int sd_config(struct gspca_dev *gspca_dev,
 		PDEBUG(D_PROBE, "Camera supports CIF mode");
 	if (gspca_dev->usb_buf[7] & 0x02)
 		PDEBUG(D_PROBE, "Camera supports VGA mode");
+	if (gspca_dev->usb_buf[7] & 0x04)
+		PDEBUG(D_PROBE, "Camera supports QCIF mode");
 	if (gspca_dev->usb_buf[7] & 0x08)
 		PDEBUG(D_PROBE, "Camera supports QVGA mode");