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    SubjectRe: [BISECTED] tpm CLKRUN breaks PS/2 keyboard and touchpad on Braswell system
    On Mon, Dec 18, 2017 at 08:29:30PM +0100, Javier Martinez Canillas wrote:

    > My knowledge of LPC is near to non-existent so I please forgive me if I'm wrong,
    > but my understanding is that it's the opposite of what you said.
    >
    > When CLKRUN_EN is SET, power management is ENABLED on the LPC bus and the host
    > LCLK clock may be stopped when entering in some low-power states.
    >
    > The CLKRUN# signal is then used by peripherals to restart the LCLK clock after
    > resuming from low-power states to be able to transmit again.
    >
    > When CLKRUN_EN is CLEAR, power management is DISABLED on the LPC bus and the
    > host LCLK clock is never stopped even when entering in some low-power states.

    Okay, that makes sense.

    Jason

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