V4L/DVB (9544): gspca: Clear the bulk endpoint at starting time when bulk transfer.

- usb_clear_halt() added in gspca and removed in finepix.

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

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c
index 6e23fd4a203f..afddb18024a8 100644
--- a/drivers/media/video/gspca/gspca.c
+++ b/drivers/media/video/gspca/gspca.c
@@ -597,6 +597,12 @@ static int gspca_init_transfer(struct gspca_dev *gspca_dev)
                 if (ret < 0)
                         goto out;
 
+                /* clear the bulk endpoint */
+                if (gspca_dev->alt == 0)        /* if bulk transfer */
+                        usb_clear_halt(gspca_dev->dev,
+                                        usb_rcvintpipe(gspca_dev->dev,
+                                                 gspca_dev->cam.epaddr));
+
                 /* start the cam */
                 ret = gspca_dev->sd_desc->start(gspca_dev);
                 if (ret < 0) {