Hi everybody, Here's an RFC patch set that implements compat_ioctl support in V4L2 for custom ioctls. While trying to support the UVCIOC_* ioctls with a 32-bit userspace and a 64-bit kernel, I realized this wasn't possible due to missing support in the V4L2 core. Laurent Pinchart (3): v4l: Add custom compat_ioctl operation uvcvideo: Return -ENOTTY in case of unknown ioctl uvcvideo: Implement compat_ioctl for custom ioctls drivers/media/video/uvc/uvc_v4l2.c | 207 ++++++++++++++++++++++++++++- drivers/media/video/v4l2-compat-ioctl32.c | 13 ++- include/media/v4l2-dev.h | 3 + 3 files changed, 219 insertions(+), 4 deletions(-) -- Regards, Laurent Pinchart -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
