Hi Everyone, On Fri, Feb 17, 2017 at 7:27 PM, Thomas Axelsson <thomas.axels...@cybercom.com> wrote: > Hi, > > I have a v4l2_subdev that provides multiple MIPI CSI-2 Virtual Channels. I > want to configure each virtual channel individually (e.g. set_fmt), but the > v4l2 interface does not seem to have a clear way to access configuration on a > virtual channel level, but only the v4l2_subdev as a whole. Using one > v4l2_subdev for multiple virtual channels by extending the "reg" tag to be an > array looks like the correct way to do it, based on the mipi-dsi-bus.txt > document and current device tree endpoint structure. > > However, I cannot figure out how to extend e.g. set_fmt/get_fmt subdev ioctls > to specify which virtual channel the call applies to. Does anyone have any > advice on how to handle this case? This would be helpful for my project as well since even I need to support multiple streams using Virtual Channels. Can anyone point out to some V4L2 driver, if this kind of support is already implemented?
Thanks. > > Previous thread: "Device Tree formatting for multiple virtual channels in > ti-vpe/cal driver?" > > > Best Regards, > Thomas Axelsson > > PS. First e-mail seems to have gotten caught in the spam filter. I apologize > if this is a duplicate.
