Re: NTSC Video on the 823

[Matthew Locke <mlocke@mvista.com>]

"Todd_Tomaino"@vnci.net wrote:
>
> >>>>Where did you find these files?
>
> ftp://ftp.mvista.com/pub/Area51/embedded-planet/video.tgz

oh yeah, I guess i put it there:-)

>
> Matthel Locke wrote:
> >>chuck's code is based on a different i2c driver than the one in
> >>8xx_io.   Unless Todd has the i2c driver developed by EP, it probably
> >>won't work
>
> The "patchVideo" file contains an I2c driver.  I did not load it, assuming
> that the more recent version I currently use would be preferable and
> compatible.  I will try recompiling with the "patch Video" version and see
> if there is any change.

yep, that is the problem.  the i2c driver in the kernel source doesn't
have write capablity.  which is why the open (below) fails.

>
> >>>Where is this "Open error -19" coming from?  There is lots more
> >>>code executed than your little snippet shows.
>
> It could be from this code segment located in Vid823.c, I'm not sure what
> this indicates.
>
> /* open or close a file in kernel space... */
> struct file *drvfopen(const char * filename, int flags, int mode)
> {
>     struct file *f;
>     int error;
>
>     f = filp_open(filename, flags, mode);
>     error = PTR_ERR(f);
>     if (IS_ERR(f))
>     {
> ========>    printk("Open error %d\n",error);
>         return 0;
>     }
>     return f;
>
> thanks for the help!
>

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