Hi Denis, On Sun, 10 Oct 2021 at 12:39, Denis Pauk <pauk.denis@xxxxxxxxx> wrote: > > Hi Eugene, > > As for me, use WMI methods will be more reliable and cover more > motherboards. Why do you believe they are more reliable? How does it cover more motherboards? Thanks, Eugene > > Best regards, > Denis. > > On Thu, 7 Oct 2021 20:11:33 +0200 > Eugene Shalygin <eugene.shalygin@xxxxxxxxx> wrote: > > > Denis and All, > > > > regarding the asus-wmi-ec-sensors driver: it uses a WMI method to read > > EC registers, and this method is slow (requires almost a full second > > for a single call). Maybe I'm doing something wrong, but my impression > > is that the WMI calls themselves are that slow. I will try to > > reimplement this driver using direct EC operations and the global ACPI > > lock with a hope to make it read sensors quicker. If that works out, > > perhaps the nct6775 may go the same way, as it suffers too from the > > slow WMI calls. I know next to nothing about the ACPI system and learn > > from the beginning, so I'm not sure about the result. I know the naive > > reading from the ACPI EC registers leads to problems (fans get stuck, > > etc.), and if someone with knowledge can assure me that the idea with > > the ACPI global lock (as far as I understand it is even implemented in > > the ec kernel driver already) is correct, I would even request to stop > > accepting the EC WMI sensors driver, as it is so slow (albeit dead > > simple and small). > > > > Best regards, > > Eugen > >
