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>

diff --git a/drivers/media/video/gspca/finepix.c b/drivers/media/video/gspca/finepix.c
index 607942f..03cb944 100644 (file)
--- a/drivers/media/video/gspca/finepix.c
+++ b/drivers/media/video/gspca/finepix.c
@@ -314,9 +314,6 @@ static int sd_start(struct gspca_dev *gspca_dev)
        int ret;
        int size_ret;
 
-       /* Reset bulk in endpoint */
-       usb_clear_halt(gspca_dev->dev, gspca_dev->cam.epaddr);
-
        /* Init the device */
        memset(gspca_dev->usb_buf, 0, 12);
        gspca_dev->usb_buf[0] = 0xc6;

diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c
index 6e23fd4..afddb18 100644 (file)
--- 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) {