LED on keyboard

Hello, I'm building a 4.8.15 kernel (which is working great) for my Thinkpad T460s. What bothers me, is that I can't get the LEDs on the F1 and F4 key working ((F1=mute, F4=mic on/off). I checked CONFIG_ directives that seem relevant to me, but - well, I'm missing something. I have

backport of i915 irq storm

Hi list, 3.10 fixed a irq storm problem with the very popular intel i915 chipset that rendered systems vitually useless: http://souriguha.wordpress.com/2011/03/08/how-to-solve-problem-with-thinkpadkslowd-kworker-on-linux-kernel-2-35-2-36/ Will this fix be backported into the debian stable 3.2