sony-vaio-z-series team mailing list archive

[Brett Howard <brett@xxxxxxxxxxxxxxxxx>]

Ah yes...  i so knew that too (this is why god invented tee)... Thanks
gentlemen!

~Brett.

On Wed, Jul 27, 2011 at 1:47 AM, Adam Hill <sidepipeuk@xxxxxxxxx> wrote:
>
>        This is subtle, but you aren't running the redirect as root, you are
> running it as your user, so although "echo 1" is run as root, its your user
> that tries to take that output and send it to the file, which won't work.
>
>        Try:
>
> sudo sh -c 'echo 1 >/sys/devices/platform/sony-laptop/battery_care_limiter'
>
> Adam
>
> On Wednesday 27 July 2011 09:18:32 Brett Howard wrote:
>> 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
>> > ------------------------------------------------------------------------
>> > SWANAGE (pl.n.)
>> > Swanage is the series of diversionary tactics used when trying to
>> > cover up the existence of a glossop (q.v.) and may include (a)
>> > uttering a high-pitched laugh and pointing out of the window (NB. this
>> > doesn't work more that twice); (b) sneezing as loudly as possible and
>> > wiping the glossop off the table in the same movement as whipping out
>> > your handkerchief; (c) saying 'Christ! I seen to have dropped some
>> > shit on your table' (very unwise); (d) saying 'Christ, who did that?'
>> > (better) (e) pressing your elbow on the glossop itself and working
>> > your arms slowly to the edge of the table; (f) leaving the glossop
>> > where it is but moving a plate over it and putting up with sitting at
>> > an uncomfortable angle the rest of the meal; or, if the glossop is in
>> > too exposed a position, (g) leaving it there unremarked except for the
>> > occasional humorous glance.
>> >                        --- Douglas Adams, The Meaning of Liff
>>
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>