V4L/DVB (9838): gspca: Delay when trying an other altsetting on streaming start.

Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c
index 2358e6c..9b71059 100644 (file)
--- a/drivers/media/video/gspca/gspca.c
+++ b/drivers/media/video/gspca/gspca.c
@@ -639,8 +639,11 @@ static int gspca_init_transfer(struct gspca_dev *gspca_dev)
                                        "usb_submit_urb [%d] err %d", n, ret);
                                gspca_dev->streaming = 0;
                                destroy_urbs(gspca_dev);
-                               if (ret == -ENOSPC)
+                               if (ret == -ENOSPC) {
+                                       mdelay(20);     /* wait for kill
+                                                        * complete */
                                        break;  /* try the previous alt */
+                               }
                                goto out;
                        }
                }