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  1. Mar 12, 2025
    • Richard Acayan's avatar
      linux-postmarketos-qcom-sdm670: backport the qcom-spmi-adc-tm5 scaling fix (MR 6298) · 7080a062
      Richard Acayan authored and Alexey Minnekhanov's avatar Alexey Minnekhanov committed
      The thermal monitor measures an NTC thermistor which decreases voltage
      when the temperature increases.
      
      When fixing the scaling for the first time, a wrong division by 20 was
      removed. The voltage code was still high by a factor of 28900/16384,
      enough that the thermal monitor constantly signalled/interrupted at a
      low voltage/high temperature trip point. The thermal monitor still
      reports the correct temperature so the kernel keeps the wrong trip
      points and lets the thermal monitor keep interrupting 1000 times/sec.
      Fix the other scaling amount so the thermal monitor sends interrupts at
      the right temperature (with some imprecision).
      7080a062
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