On Fri, Aug 30, 2024 at 07:56:11AM +0200, Heiner Kallweit wrote: > On 28.08.2024 22:00, Andy Shevchenko wrote: > > 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?); > > Device is a dirt-cheap mini pc, marketed as Chatreey T9. It's available > on the free market, right. Dmesg says: > DMI: Default string Default string/Default string, BIOS ADLN.M6.SODIMM.ZB.CY.015 08/08/2023 > > > 2) does it have any BIOS updates and, if it has, does it fix the issue? > > > No BIOS updates. > > > 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? > > > I will check. There is a v2 to test, you can take entire series, or for-next branch of Intel pin control tree https://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/intel.git/log/?h=for-next Thanks! -- With Best Regards, Andy Shevchenko