Re: [PATCH v3 3/3] arm64: dts: qcom: glymur-lenovo-yoga-slim7x: add the embedded controller
From: Konrad Dybcio
Date: Tue Sep 22 2026 - 08:17:55 EST
On 9/21/26 4:49 PM, Oleg Keri wrote:
> Describe the Compal embedded controller on I2C at address 0x70. It
> provides the board thermistors, the battery cell voltages and the CPU fan
> speed, and drives the keyboard backlight. Its interrupt line is TLMM
> gpio66, falling edge, for which the file already carries a pin state.
>
> That state leaves the pin without a bias. gpio66 has no external pull
> and floats when the EC is not driving it, which shows up as a steady
> stream of spurious edges; the vendor ACPI tables describe the same pin
> as GpioInt(Edge, ActiveLow, Exclusive, PullUp). Enable the pull-up.
>
> Signed-off-by: Oleg Keri <okerixx@xxxxxxxxx>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>
Konrad