[ltp] Re: [ANN] tp_smapi - a new Linux SMAPI driver

[Stefan Schmidt]

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Hello.

On Mon, 2005-12-05 at 15:52, Shem Multinymous wrote:
>=20
> Model-specific status
> ---------------------
> * ThinkPad T43
>     works:      all
> * ThinkPad X40, T42p, G41
>     work:       start_charge_thresh, inhbit_charge
>     don't work: stop_charge_thresh (not supported by hardware)
> * ThinkPad T40p, R40
>     unknown:    inhbit_charge
>     don't work: start_charge_thresh, stop_charge_thresh
>=20
> Volker, Peter, Stefan, Csillag, Jiang, Michael, Uwe:
> Thanks for the detailed feedback! Could you verify the above on your mach=
ines?

New tests with version 0.04:

Load Module:
------------
tp_smapi: initialized, smapi_port=3D0xb2.
tp_smapi: driver successfully loaded.


echo 40 > /sys/devices/platform/smapi/start_charge_thresh:
----------------------------------------------------------
tp_smapi: smapi_request in: BX=3D211a CX=3D100 DI=3D0 SI=3D0
tp_smapi: smapi_request out: AX=3D8680 BX=3D211a CX=3D100 DX=3Db2 DI=3D0 SI=
=3D0
ret=3D-38
tp_smapi: SMAPI error: Function is not supported by SMAPI BIOS
(BX=3D211a)
tp_smapi: get_thresh(0,0) failed
tp_smapi: smapi_request in: BX=3D2116 CX=3D100 DI=3D0 SI=3D0
tp_smapi: smapi_request out: AX=3D8680 BX=3D2116 CX=3D100 DX=3Db2 DI=3D0 SI=
=3D0
ret=3D-38
tp_smapi: SMAPI error: Function is not supported by SMAPI BIOS
(BX=3D2116)
tp_smapi: get_thresh(0,1) failed


echo 70 > /sys/devices/platform/smapi/stop_charge_thresh:
---------------------------------------------------------
tp_smapi: smapi_request in: BX=3D2116 CX=3D100 DI=3D0 SI=3D0
tp_smapi: smapi_request out: AX=3D8680 BX=3D2116 CX=3D100 DX=3Db2 DI=3D0 SI=
=3D0
ret=3D-38
tp_smapi: SMAPI error: Function is not supported by SMAPI BIOS
(BX=3D2116)
tp_smapi: get_thresh(0,1) failed
tp_smapi: smapi_request in: BX=3D211a CX=3D100 DI=3D0 SI=3D0
tp_smapi: smapi_request out: AX=3D8680 BX=3D211a CX=3D100 DX=3Db2 DI=3D0 SI=
=3D0
ret=3D-38
tp_smapi: SMAPI error: Function is not supported by SMAPI BIOS
(BX=3D211a)
tp_smapi: get_thresh(0,0) failed


echo 1 > /sys/devices/platform/smapi/inhibit_charge:
----------------------------------------------------
tp_smapi: smapi_request in: BX=3D2114 CX=3D100 DI=3D0 SI=3D0
tp_smapi: smapi_request out: AX=3D8680 BX=3D2114 CX=3D100 DX=3Db2 DI=3D0 SI=
=3D0
ret=3D-38
tp_smapi: SMAPI error: Function is not supported by SMAPI BIOS
(BX=3D2114)
tp_smapi: inhibit_charge_read failed for bat=3D0


So it seems to me, that on T40p {start,stop}_charge_tresh and
inhibit_charge are not supported by hardware.

But i am still interessting in charge cycle count. I can read the
counter with IBM Battery MaxiMiser on windows.

regards
Stefan Schmidt

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