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    SubjectRe: [PATCH v4] i8k: Autodetect maximal fan speed and fan RPM multiplier
    On 12/21/2014 09:23 AM, Pali Rohár wrote:
    > This patch adds new function i8k_get_fan_nominal_speed() for doing SMM call
    > which will return nominal fan RPM for specified fan speed. It returns nominal
    > RPM value at which fan operate when speed (0, 1, 2, 3) is set. It looks like
    > RPM value is not accurate, but still provides very useful information.
    >
    > First it can be used to validate if certain fan speed could be accepted by SMM
    > for setting fan speed and we can use this routine to detect maximal fan speed.
    >
    > Second it returns RPM value, so we can check if value looks correct with
    > multiplier 30 or multiplier 1 (until now only these two multiplier were used).
    > If RPM value with multiplier 30 is too high, then multiplier 1 is used.
    >
    > In case when SMM reports that new function is not supported we will fallback
    > to old hardcoded values. Maximal fan speed would be 2 and RPM multiplier 30.
    >
    > Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
    > Tested-by: Pali Rohár <pali.rohar@gmail.com>

    Tested-by the submitter is kind of implied.

    Anyway, this patch does not apply to 3.19-rc1, nor to 3.18.
    What is your baseline ? Can you rebase to 3.19-rc1 ?
    Or do I need to apply some other patch first ?

    Thanks,
    Guenter



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