V4L/DVB (8930): gspca: The image transfer by bulk is started by the subdrivers.
authorJean-Francois Moine <moinejf@free.fr>
Mon, 8 Sep 2008 06:22:42 +0000 (03:22 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Sun, 12 Oct 2008 11:36:59 +0000 (09:36 -0200)
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/video/gspca/gspca.c

index ce5498527fc2214ccfc42f23965dcbdde1a3214e..58761d9809f7fe18818034436bd6107a5fa70a8e 100644 (file)
@@ -185,7 +185,7 @@ static void bulk_irq(struct urb *urb
 {
        struct gspca_dev *gspca_dev = (struct gspca_dev *) urb->context;
        struct gspca_frame *frame;
-       int j, ret;
+       int j;
 
        PDEBUG(D_PACK, "bulk irq");
        if (!gspca_dev->streaming)
@@ -212,11 +212,6 @@ static void bulk_irq(struct urb *urb
                                        urb->transfer_buffer,
                                        urb->actual_length);
        }
-       /* resubmit the URB */
-       urb->status = 0;
-       ret = usb_submit_urb(urb, GFP_ATOMIC);
-       if (ret < 0)
-               PDEBUG(D_ERR|D_PACK, "usb_submit_urb() ret %d", ret);
 }
 
 /*
@@ -502,13 +497,14 @@ static int create_urbs(struct gspca_dev *gspca_dev,
                PDEBUG(D_STREAM,
                        "isoc %d pkts size %d = bsize:%d",
                        npkt, psize, bsize);
+               nurbs = DEF_NURBS;
        } else {
                npkt = 0;
                bsize = psize;
                PDEBUG(D_STREAM, "bulk bsize:%d", bsize);
+               nurbs = 1;
        }
 
-       nurbs = DEF_NURBS;
        gspca_dev->nurbs = nurbs;
        for (n = 0; n < nurbs; n++) {
                urb = usb_alloc_urb(npkt, GFP_KERNEL);
@@ -583,6 +579,10 @@ static int gspca_init_transfer(struct gspca_dev *gspca_dev)
                gspca_dev->streaming = 1;
                atomic_set(&gspca_dev->nevent, 0);
 
+               /* start the bulk transfer is done by the subdriver */
+               if (gspca_dev->bulk)
+                       break;
+
                /* submit the URBs */
                for (n = 0; n < gspca_dev->nurbs; n++) {
                        ret = usb_submit_urb(gspca_dev->urb[n], GFP_KERNEL);