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Fri, 15 May 2026 12:46:54 -0700 (PDT) Received: from archlinux ([2405:201:1b:225f:bfac:abd3:86cf:47a3]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2bd5d0f94c6sm69843075ad.56.2026.05.15.12.46.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 May 2026 12:46:54 -0700 (PDT) Date: Sat, 16 May 2026 01:16:48 +0530 From: Krishna Chomal To: Bogdan Nicolae Cc: platform-driver-x86@vger.kernel.org Subject: Re: [Linux Kernel 7.0.7] [hp_wmi] EC layout for board 8C9C unsupported Message-ID: References: Precedence: bulk X-Mailing-List: platform-driver-x86@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Disposition: inline In-Reply-To: On Fri, May 15, 2026 at 08:45:41AM -0500, Bogdan Nicolae wrote: >Hi, > >With a recent kernel upgrade (7.0.7-arch1-1 #1 SMP PREEMPT_DYNAMIC >Thu, 14 May 2026 14:26:22 +0000 x86_64 GNU/Linux) I am noticing the >following line in dmesg: >hp_wmi: Unknown EC layout for board 8C9C. Thermal profile readback >will be disabled. Please report this to >platform-driver-x86@vger.kernel.org > >As instructed, I am reporting it Hi Bogdan Nicolae, Thanks for reporting. The hp-wmi driver now uses EC reads to determine current platform profile during driver init in thermal_profile_setup() and during power source change events in victus_s_powersource_event() as introduced in commit eeeb4c9874bb ("platform/x86: hp-wmi: Add EC offsets to read Victus S thermal profile"). At the time of that patch we did not have information about the EC layout for your board, hence the warning in dmesg. >in hope it will be supported in the future. Just to clarify, is everything (apart from platform profile being defaulted to "balanced" at boot) like power and fan control working as intended? Because this is supposed to be a mere "warning", not necessarily implying that something is broken. >Please let me know if you need further information. > Please share your EC dump via: # modprobe ec_sys # xxd /sys/kernel/debug/ec/ec0/io This should be sufficient to build a patch and remove the warning. >Kind regards, >Bogdan Nicolae