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Thu, 25 Dec 2025 06:23:30 -0800 (PST) Received: from archlinux ([2405:201:1b:225c:eb9d:1fc0:f95c:bd90]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2a2f3da7dabsm180892195ad.25.2025.12.25.06.23.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 Dec 2025 06:23:30 -0800 (PST) From: Krishna Chomal To: ilpo.jarvinen@linux.intel.com, hansg@kernel.org, linux@roeck-us.net Cc: platform-driver-x86@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, Krishna Chomal Subject: [PATCH 0/2] platform/x86: hp-wmi: Add manual fan support for Victus S laptops Date: Thu, 25 Dec 2025 19:53:08 +0530 Message-ID: <20251225142310.204831-1-krishna.chomal108@gmail.com> X-Mailer: git-send-email 2.52.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This series adds support for manual fan speed control and PWM reporting for HP Victus S-style laptops. The first patch refactors the hwmon implementation to use a per-device private context for state tracking. It implements RPM-to-PWM conversion using linear interpolation based on the laptop's internal fan tables retrieved via WMI. It also introduces PWM_MODE_MANUAL, allowing users to set specific fan speeds. The second patch addresses a firmware-specific behavior where the system reverts to "Auto" fan mode after a 120-second timeout if no WMI fan commands are received. A delayed workqueue is implemented to act as a keep-alive heartbeat, refreshing the fan state every 90 seconds to ensure user-selected profiles remain active indefinitely. Tested on: HP Omen 16-wf1xxx (board ID 8C78) Krishna Chomal (2): platform/x86: hp-wmi: add manual fan control for Victus S models platform/x86: hp-wmi: implement fan keep-alive drivers/platform/x86/hp/hp-wmi.c | 287 ++++++++++++++++++++++++++----- 1 file changed, 243 insertions(+), 44 deletions(-) -- 2.52.0