On Thu, Oct 6, 2016 at 5:31 PM, Mark Brown <broonie@xxxxxxxxxx> wrote: > On Thu, Oct 06, 2016 at 02:19:22PM +0300, Mika Westerberg wrote: > >> I don't need a DT, I need that my existing firmware (in this case BIOS) >> can describe camera device(s) and the OS can take advantage of this, >> preferably with minimal changes to the drivers. > >> Currently there is no way in ACPI specification to do that. > > That's not exactly true - the way Windows handles audio devices (which > follow a similar pattern) is to register the control interfaces of the > individual components of the system using existing bindings and then > bind them together with a driver that matches the board level > identification. This isn't super awesome but it's definitely a thing > you can do. But that would mean writing new Linux code to support hardware that already is supported by the Linux kernel. That would be a bit like saying "We have a driver for this, but you are not allowed to use it, because your platform is not a DT one". That doesn't sound good to me, honestly. Thanks, Rafael -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html