On Mon, Jun 10, 2024 at 05:51:08PM +0200, Thomas Weißschuh wrote: > If the command is not supported at all the EC returns > -EINVAL/EC_RES_INVALID_PARAMS. > > This error is translated into an empty version mask as that is easier to > handle for callers and they don't need to know about the error details. I'm not sure whether the behavior is what we want or not as existing EC_CMD_GET_CMD_VERSIONS usages don't have it.