Messages in this thread | | | From | Chris Chiu <> | Date | Thu, 23 Nov 2017 20:24:05 +0800 | Subject | Re: [PATCH] pinctrl: intel: save HOSTSW_OWN register over suspend/resume |
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On Tue, Nov 21, 2017 at 8:04 PM, Mika Westerberg <mika.westerberg@linux.intel.com> wrote: > On Tue, Nov 21, 2017 at 07:54:26PM +0800, Chris Chiu wrote: >> Yup, I checked the value of the corresponded pin. It shows following before >> suspend >> pin 18 (GPIO_18) GPIO 0x40800102 0x00024075 >> >> Then after resume >> pin 18 (GPIO_18) GPIO 0x40800102 0x00024075 [ACPI] > > OK, so ownership is changed to ACPI. > >> What else register do you suggest me to compare? The PADCFG2 is invalid > > It's fine APL does not have PADCFG2. > > Hmm, I don't understand how this can work in Windows either. The Windows > people told me that they don't save and restore anything else than > padcfg registers + ie. If the ownership is changed to ACPI it means you > don't get interrupts anymore (only GPEs) and that applies to Windows as > well.
Thanks for your confirmation. I've pushed this back to ASUS. They told me there's a new official BIOS released, of course they don't know whether if it helps or not. I then upgraded it and the problem is gone. So it's truly a BIOS but as you said. Thanks for your help.
Chris
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