Re: 2.4.14 cpia driver IS broke

Joe (joeja@mindspring.com)
Mon, 19 Nov 2001 21:36:28 -0800


Well that would explain the bug. Does anyone have a fix? Other than reverting
back?

Joe

> It's the new parport code in 2.4.14 which breaks things.
> I haven't been able to use my Webcam drivers either since 2.4.14. And after
> some research in the parport code I found that something is broken with the
> new (2.4.14) code when doing ECP transfers (maybe EPP as well).
>
> On Mondayen den 19 November 2001 06.41, Joe wrote:
> > Earlier this week I reported cpia driver not finidng the /dev/video0 as
> > a bug. I did a little research and at first I thought it was RH 7.2 or
> > the linux kernel, but it is not RH it is the linux kernel. The cpia
> > driver in 2.4.14 is broke! (at least on my system)
> >
> > This is the driver for the webcam II parallel port module.
> >
> > (From 2.4.13) The output of the file /proc/cpia/video0 should show the
> > following:
> >
> > cat /proc/cpia/video0 |head
> > read-only
> > -----------------------
> > V4L Driver version: 0.7.4
> > CPIA Version: 1.20 (1.0)
> > CPIA PnP-ID: 0553:0002:0100
> > VP-Version: 1.0 0100
> > system_state: 0x02
> > grab_state: 0x00
> > stream_state: 0x00
> > fatal_error: 0x00
> > Current Directory = ~
> >
> > but it does not, in fact in 2.4.14 it shows CPIA Version: 0.00 and
> > everything else is 0 as well.
> >
> > I have reverted back to 2.4.13 but would like to let the maintainers
> > know. If you look at the 2.4.14 patch the code for the cpia driver has
> > changed. I am not sure if it is the cpia driver itselef or the video
> > subsystem (v4l/v4l2). If anyone knows how to contact the maintainers
> > and let them know that this code is not working great.
> >
> > zcat /public/untarred/patch-2.4.14.gz |grep cpia |head
> > diff -u --recursive --new-file v2.4.13/linux/drivers/media/video/cpia.c
> > linux/drivers/media/video/cpia.c
> > --- v2.4.13/linux/drivers/media/video/cpia.c Tue Oct 9 17:06:51 2001
> > +++ linux/drivers/media/video/cpia.c Thu Oct 25 13:53:47 2001
> > - proc_cpia_create();
> > - request_module("cpia_pp");
> > - request_module("cpia_usb");
> >
> > oh I am not on the list
> > thanks
> > Joe
> >
> > -
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