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    SubjectRe: [RFC ebeam PATCH v3 0/2]
    Date
    On Monday, August 06, 2012 02:44:23 PM Greg KH wrote:
    > On Mon, Aug 06, 2012 at 11:21:42PM +0200, Yann Cantin wrote:
    > > Hi,
    > >
    > > New USB input driver for eBeam devices.
    > >
    > > Currently, only the Luidia eBeam classic projection model is supported.
    > > Edge model and a NEC interactive video-projector support planned for the
    > > end of the mounth.
    > >
    > > Patch 1 to blacklist the device for hid generic-usb.
    > >
    > > Patch 2 is the actual driver.
    > >
    > > Changes from previous :
    > > - switch to div64_s64 for portable 64/64-bits divisions

    Do you really need this much precision? It will be slower on 32 bits..

    > > - some cosmetics in device name
    > > - unused include and def removed
    > > - variables name changes for readability
    > >
    > > Pending issues :
    > >
    > > - sysfs custom files : need to pass 13 parameters for calibration :
    > > choice is between lots of simply-handled, or few with a big sscanf.
    >
    > sysfs is "one value per file", so use lots of different files please.

    This is kind of a "one value" though - it is a transformation matrix.
    Maybe switch it to binary - 9 s32?

    --
    Dmitry


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