sony-vaio-z-series team mailing list archive

[Brett Howard <brett@xxxxxxxxxxxxxxxxx>]

Ok so I've got a 3.0 kernel in place along with the headers and I've
been able to compile and load this module... I now have the files in
place...  However running "sudo echo 1 >
/sys/devices/platform/sony-laptop/battery_care_limiter" results in a
permission denied...

Any thoughts?

~Brett

On Sun, Jul 24, 2011 at 6:51 PM, Norbert Preining <preining@xxxxxxxx> wrote:
> On Fr, 22 Jul 2011, Brett Howard wrote:
>> How does one set the battery care function once running this kernel?
>
> Short description I wrote up ...
> ---------------------------
> The following files in /sys/devices/platform/sony-laptop
> allow controlling various aspects.
>
> The documentation here was created by Norbert Preining by reading the
> source, so it might be wrong and burn your computer ;-)
>
> lid_resume_control
>        controls resume when lid is opened
>        0       do nothing
>        1       resume from S4 (ram)
>        2       resume from S3 (disk)
>        3       resume from S4 and S3
>
> odd_power
>        controls the cdrom drive connection
>        0       disconnected (off)
>        1       connected (on)
>
> battery_care_limiter
>        controls up to which level a battery is charged
>        0       no limit
>        1       80%
>        2       50%
>
> thermal_control
>        controls the temperature/fan activity (AFAIU)
>        0       balanced
>        1       performance
>        2       silent
>
> thermal_profiles
>        number of different profiles???
>
> touchpad
>        turns touchpad on or off
>        0       off
>        1       on
>
> -------------------------------------
>
>
>> there some user space application that comes along for the ride?  I've
>
> Yes, there is a user space, actually two: "cat" and "echo", the first
> for reading the value of the setting above, the other for writing ;-)
>
> Best wishes
>
> Norbert
> ------------------------------------------------------------------------
> Norbert Preining            preining@{jaist.ac.jp, logic.at, debian.org}
> JAIST, Japan                                 TeX Live & Debian Developer
> DSA: 0x09C5B094   fp: 14DF 2E6C 0307 BE6D AD76  A9C0 D2BF 4AA3 09C5 B094
> ------------------------------------------------------------------------
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> occasional humorous glance.
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>