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? 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.
