A new 'Yogafan' hardware monitoring driver is set to be merged in the Linux 7.1 kernel, providing fan speed monitoring for a wide range of Lenovo laptops including Yoga, Legion, Flex, Slim, and IdeaPad models. The driver uses ACPI with the Embedded Controller (EC) interface found on these laptops, rather than traditional LPC hardware monitoring chips. Tested models include Yoga 14cACN, Yoga 710/720, Legion 5 AMD, Legion 7i Intel, and others, with legacy interface support for pre-2020 models.
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