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    SubjectRe: [PATCH 00/14] POWER: BQ27x00: New Properties, fixes, bq27000 support
    On Mon, Feb 7, 2011 at 1:09 AM, Lars-Peter Clausen <> wrote:
    > On 02/06/2011 11:47 PM, Felipe Contreras wrote:
    >> Hi,
    >> On Sun, Feb 6, 2011 at 2:47 AM, Lars-Peter Clausen <> wrote:
    >>> This patch series contains a few updates for the bq27x00 driver:
    >>> * Support for additional power supply properties
    >>> * Support for the bq27000 battery which is identical to the bq27200 but is
    >>>  connected through the HDQ bus.
    >>> * Adds a register cache to the driver and introduces polling the batteries state
    >>> * Minor improvements and cleanups
    >>> The last patch in this series is not specific to the bq27x00 driver but is
    >>> required for uevents to be generated properly for this driver.
    >>> The patch makes properties which return -ENODATA to be ignored when generating
    >>> uevents. Previously in such a case uevent generation would have been aborted
    >>> with an error. But since the bq27x00 return -ENODATA for the TIME_TO_FULL
    >>> property when the battery is not charging and for the TIME_TO_EMPTY property
    >>> when the battery is not discharging and at least one of them is always true
    >>> uevent generation would always fail.
    >>> This series has so far been tested with the bq27000 and the bq27200 battery, but
    >>> not with the bq27500 battery, so it would be nice if somebody with a board
    >>> containing such a battery could test the patches to make sure that there are no
    >>> regressions.
    >> This might be a bit off-topic, but I have tried to get the battery on
    >> the Nokia N900 working, and so far I'm only able to query the
    >> remaining capacity, but not really to enabling charging. This is very
    >> annoying, as I can only hack a certain amount of time, and then I have
    >> to reflash, reboot, and wait for the batter to charge with the
    >> official system (if there's enough power to flash).
    >> Do you have any hints how to do that?
    > Sorry, I've never worked with the N900, so I have no idea. But Pali has tested this
    > patch series on his N900, so he might have an idea.

    Well, it has a bq27200 AFAIK.

    Felipe Contreras
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