[media] b2c2: fix driver's build due to the lack of pci DMA code

[linux-2.6-block.git] / drivers / media / video / gspca / gspca.c

diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c
index 31721eadc597de48e749f6202a98ddb819910cbf..d4e8343f5b1013b17b1d9541bbaf287c193a6b48 100644 (file)
--- a/drivers/media/video/gspca/gspca.c
+++ b/drivers/media/video/gspca/gspca.c
@@ -930,6 +930,7 @@ static int gspca_init_transfer(struct gspca_dev *gspca_dev)
                        goto out;
                }
                gspca_dev->streaming = 1;
+               v4l2_ctrl_handler_setup(gspca_dev->vdev.ctrl_handler);
 
                /* some bulk transfers are started by the subdriver */
                if (gspca_dev->cam.bulk && gspca_dev->cam.bulk_nurbs == 0)
@@ -1049,12 +1050,6 @@ static int vidioc_g_register(struct file *file, void *priv,
 {
        struct gspca_dev *gspca_dev = video_drvdata(file);
 
-       if (!gspca_dev->sd_desc->get_chip_ident)
-               return -ENOTTY;
-
-       if (!gspca_dev->sd_desc->get_register)
-               return -ENOTTY;
-
        gspca_dev->usb_err = 0;
        return gspca_dev->sd_desc->get_register(gspca_dev, reg);
 }
@@ -1064,12 +1059,6 @@ static int vidioc_s_register(struct file *file, void *priv,
 {
        struct gspca_dev *gspca_dev = video_drvdata(file);
 
-       if (!gspca_dev->sd_desc->get_chip_ident)
-               return -ENOTTY;
-
-       if (!gspca_dev->sd_desc->set_register)
-               return -ENOTTY;
-
        gspca_dev->usb_err = 0;
        return gspca_dev->sd_desc->set_register(gspca_dev, reg);
 }
@@ -1080,9 +1069,6 @@ static int vidioc_g_chip_ident(struct file *file, void *priv,
 {
        struct gspca_dev *gspca_dev = video_drvdata(file);
 
-       if (!gspca_dev->sd_desc->get_chip_ident)
-               return -ENOTTY;
-
        gspca_dev->usb_err = 0;
        return gspca_dev->sd_desc->get_chip_ident(gspca_dev, chip);
 }
@@ -1136,8 +1122,10 @@ static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
        int mode;
 
        mode = gspca_dev->curr_mode;
-       memcpy(&fmt->fmt.pix, &gspca_dev->cam.cam_mode[mode],
-               sizeof fmt->fmt.pix);
+       fmt->fmt.pix = gspca_dev->cam.cam_mode[mode];
+       /* some drivers use priv internally, zero it before giving it to
+          userspace */
+       fmt->fmt.pix.priv = 0;
        return 0;
 }
 
@@ -1168,8 +1156,10 @@ static int try_fmt_vid_cap(struct gspca_dev *gspca_dev,
 /*             else
                        ;                * no chance, return this mode */
        }
-       memcpy(&fmt->fmt.pix, &gspca_dev->cam.cam_mode[mode],
-               sizeof fmt->fmt.pix);
+       fmt->fmt.pix = gspca_dev->cam.cam_mode[mode];
+       /* some drivers use priv internally, zero it before giving it to
+          userspace */
+       fmt->fmt.pix.priv = 0;
        return mode;                    /* used when s_fmt */
 }
 
@@ -1284,9 +1274,6 @@ static void gspca_release(struct v4l2_device *v4l2_device)
        struct gspca_dev *gspca_dev =
                container_of(v4l2_device, struct gspca_dev, v4l2_dev);
 
-       PDEBUG(D_PROBE, "%s released",
-               video_device_node_name(&gspca_dev->vdev));
-
        v4l2_ctrl_handler_free(gspca_dev->vdev.ctrl_handler);
        v4l2_device_unregister(&gspca_dev->v4l2_dev);
        kfree(gspca_dev->usb_buf);
@@ -1694,8 +1681,6 @@ static int vidioc_g_jpegcomp(struct file *file, void *priv,
 {
        struct gspca_dev *gspca_dev = video_drvdata(file);
 
-       if (!gspca_dev->sd_desc->get_jcomp)
-               return -ENOTTY;
        gspca_dev->usb_err = 0;
        return gspca_dev->sd_desc->get_jcomp(gspca_dev, jpegcomp);
 }
@@ -1705,8 +1690,6 @@ static int vidioc_s_jpegcomp(struct file *file, void *priv,
 {
        struct gspca_dev *gspca_dev = video_drvdata(file);
 
-       if (!gspca_dev->sd_desc->set_jcomp)
-               return -ENOTTY;
        gspca_dev->usb_err = 0;
        return gspca_dev->sd_desc->set_jcomp(gspca_dev, jpegcomp);
 }
@@ -2290,6 +2273,20 @@ int gspca_dev_probe2(struct usb_interface *intf,
        v4l2_disable_ioctl_locking(&gspca_dev->vdev, VIDIOC_DQBUF);
        v4l2_disable_ioctl_locking(&gspca_dev->vdev, VIDIOC_QBUF);
        v4l2_disable_ioctl_locking(&gspca_dev->vdev, VIDIOC_QUERYBUF);
+       if (!gspca_dev->sd_desc->get_chip_ident)
+               v4l2_disable_ioctl(&gspca_dev->vdev, VIDIOC_DBG_G_CHIP_IDENT);
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+       if (!gspca_dev->sd_desc->get_chip_ident ||
+           !gspca_dev->sd_desc->get_register)
+               v4l2_disable_ioctl(&gspca_dev->vdev, VIDIOC_DBG_G_REGISTER);
+       if (!gspca_dev->sd_desc->get_chip_ident ||
+           !gspca_dev->sd_desc->set_register)
+               v4l2_disable_ioctl(&gspca_dev->vdev, VIDIOC_DBG_S_REGISTER);
+#endif
+       if (!gspca_dev->sd_desc->get_jcomp)
+               v4l2_disable_ioctl(&gspca_dev->vdev, VIDIOC_G_JPEGCOMP);
+       if (!gspca_dev->sd_desc->set_jcomp)
+               v4l2_disable_ioctl(&gspca_dev->vdev, VIDIOC_S_JPEGCOMP);
 
        /* init video stuff */
        ret = video_register_device(&gspca_dev->vdev,
@@ -2429,7 +2426,6 @@ int gspca_resume(struct usb_interface *intf)
         */
        streaming = gspca_dev->streaming;
        gspca_dev->streaming = 0;
-       v4l2_ctrl_handler_setup(gspca_dev->vdev.ctrl_handler);
        if (streaming)
                ret = gspca_init_transfer(gspca_dev);
        mutex_unlock(&gspca_dev->usb_lock);