[PATCH] usbvision and v4l2_extension - V4L2-library

20 Jul 2007

Hello again,
here is the simple patch that enables the usbvision driver to register 
the v4l2_extension module.
Easy to do in other drivers that need to be extended...
Cheers,
Thierry
--
diff -r 1a767efdb1d3 linux/drivers/media/video/usbvision/usbvision-video.c

--- a/linux/drivers/media/video/usbvision/usbvision-video.c	Wed Jun 27 21:08:03 2007 +0200
+++ b/linux/drivers/media/video/usbvision/usbvision-video.c	Fri Jul 20 23:06:54 2007 +0200
@@ -82,6 +82,8 @@
 #include <linux/kmod.h>
 #endif
+#include "v4l2_extension.h"
+
 #include "usbvision.h"
 #include "usbvision-cards.h"
@@ -1755,10 +1752,12 @@ static int __devinit usbvision_register_
    	       usbvision->nr,usbvision->vbi->minor & 0x1f);
    }
    // all done
+	v4l2ext_register(usbvision->vdev);
    return 0;
err_exit:
    err("USBVision[%d]: video_register_device() failed", usbvision->nr);
+	v4l2ext_unregister(usbvision->vdev);
    usbvision_unregister_video(usbvision);
    return -1;
 }
@@ -1840,6 +1839,7 @@ static void usbvision_release(struct usb
    up(&usbvision->lock);
usbvision_remove_sysfs(usbvision->vdev);
+	v4l2ext_unregister(usbvision->vdev);
    usbvision_unregister_video(usbvision);
if (usbvision->ctrlUrb) {

    