On 28.08.2024 22:00, Andy Shevchenko wrote: > +Cc: Heiner > > On Wed, Aug 28, 2024 at 09:38:33PM +0300, Andy Shevchenko wrote: >> We would need a high impedance implementation for a quirk, so here it >> is. While doing this series I also noticed a couple of opportunities >> to clean up, hence two more patches (1st and 5th). > > Sorry it took a while to actually start implementing the quirk for your case. > Here I'm asking for the following things: > > 1) what is the marketing name of the device you have problems with? > (I believe it's available on the free market, correct?); > > 2) does it have any BIOS updates and, if it has, does it fix the issue? > > 3) can you apply patches 2,3,4,5 from this series (the first one is buggy and > not needed for you) and replace the hack I mentioned earlier with > > ret = intel_gpio_set_high_impedance(pctrl, 3); > if (ret) > return ret; > > somewhere at the end of intel_pinctrl_probe()? > > Does it still work as expected? > > In latest series the return value of intel_gpio_set_high_impedance() has been removed. With the call to intel_gpio_set_high_impedance() changed accordingly this fixes the problem on my system. Thanks a lot for your efforts!