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Tue, 27 Oct 2026 21:51:05 +0530 Date: Tue, 27 Oct 2026 09:21:04 -0700 From: Guenter Roeck To: Eugene Shalygin Cc: remy@demangeot.net, linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 3/3] hwmon: (asus-ec-sensors) add water temperatures for MAXIMUS IX EXTREME Message-ID: <1fcc110e-7269-44de-a415-1848922f75f6@roeck-us.net> References: <20261026-b4-m9e-ext-sensors-v1-0-644d389b2de1@demangeot.net> <20261026-b4-m9e-ext-sensors-v1-3-644d389b2de1@demangeot.net> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - bh-25.webhostbox.net X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - roeck-us.net X-BWhitelist: no X-Source-IP: 108.223.40.66 X-Source-L: No X-Exim-ID: 1xLjv7-00000000nU6-1WJd X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 108-223-40-66.lightspeed.sntcca.sbcglobal.net (server.roeck-us.net) [108.223.40.66]:38130 X-Source-Auth: guenter@roeck-us.net X-Email-Count: 50 X-Org: HG=direseller_whb_net_legacy;ORG=directi; X-Source-Cap: cm9lY2s7YWN0aXZzdG07YmgtMjUud2ViaG9zdGJveC5uZXQ= X-Local-Domain: yes X-CMAE-Envelope: MS4xfDuhGwcX0oySES/c1rHz6A47L54McnqLVX5pdrl8G+5MyV0/7J+F9cxZUaiZqDFNKub+KRLFOQIwjUFq7f3R4Lb3YS997eF2YRHIY9N+tXYNXOtejTgL 8BNWDnkJcxXhVTXMvVuS4pSi4HwoLoUcFAa/YOYtzgbtQH38lw3B/ALqzzUIW8bxyiYok4vUuzjWaRs/szOXVTh0NXuTrijLUZ4tmGf/lmBSTG7YaQKpPiNU 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 > wrote: > > > > From: Remy Demangeot > > > > 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