Re: [PATCH 3/3] hwmon: (asus-ec-sensors) add water temperatures for MAXIMUS IX EXTREME
From: Guenter Roeck
Date: Tue Oct 27 2026 - 12:27:01 EST
On Tue, Oct 27, 2026 at 10:23:33AM +0100, Eugene Shalygin wrote:
> Hi,
>
> On Mon, 26 Oct 2026 at 09:57, Remy Demangeot via B4 Relay
> <devnull+remy.demangeot.net@xxxxxxxxxx> wrote:
> >
> > From: Remy Demangeot <remy@xxxxxxxxxxxxx>
> >
> > The MAXIMUS IX EXTREME has a second EC (firmware ID "RGE2-Z270-0109"),
> > not handled by the ACPI EC driver, at I/O ports 0x68 (data) and 0x6c
> > (command/status). It uses the standard EC protocol (0x80 read, 0x81
> > write) and the same bank register (0xff).
>
> I'm not fond of re-implementing EC access logic in this driver. I
> believe the ec.c driver needs to be changed to allow us to simply
> create another acpi_ec structure to operate the second EC.
>
Me not either, but that would (should ?) be a separate effort and might
take a substantial amount of time to get accepted upstream.
Guenter