I think that needs device capability flag too (struct v4l2_capability) but bits on that struct are quite short. Add it after V4L2_CAP_MODULATOR ? OK, now all the API pieces seems to be there, so I am converting my existing SDR drivers to that API and make some tests. Antti Palosaari (2): v4l2: add stream format for SDR receiver v4l2: enable FMT IOCTLs for SDR drivers/media/v4l2-core/v4l2-dev.c | 12 ++++++++++++ drivers/media/v4l2-core/v4l2-ioctl.c | 27 +++++++++++++++++++++++++++ include/trace/events/v4l2.h | 1 + include/uapi/linux/videodev2.h | 11 +++++++++++ 4 files changed, 51 insertions(+) -- 1.8.4.2 -- 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