After checking the specs and discussing with Jesse, turns out CxSR is not available on Ironlake and gen5, and its advertisement on the device description is misleading. Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>