Re: [PARPORT] Disabling autodetection

From: Tim Waugh (
Date: Tue Aug 28 2001 - 05:30:56 EDT

  • Next message: Gene Heskett: "RE: [PARPORT] Can parport be accessed without a device driver ?"

    On Mon, Aug 27, 2001 at 12:45:17PM +0200, Jaeger, Gerhard wrote:

    > I provide a kernel module to control Plustek parallel port scanner. To detect
    > the parport modes and to register the driver, I use the parport stuff.
    > Since kernel 2.4.x I now have sometimes the problem, that the IEEE 1284
    > autodetection stuff interferes with the scanner devices. It seems that the
    > stuff sent to the devices causes the ASICs there to entry some undefined
    > states. When I disable the IEEE1284 stuff in the kernel configuration I only
    > have the SPP mode available.
    > Is the any configuration switch that allows the use of the EPP mode without
    > autodetecting IEEE 1284 devices?

    No. Someone needs to implement a module/kernel parameter for parport
    to disable the probe.


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