initial support for video devices and printer ports

[Kay Sievers]

On Tue, 2004-08-31 at 21:01 +0200, Kay Sievers wrote:
> Attached is a patch to add:
> 
> Support for v4l devices:
>   http://vrfy.org/projects/hal/v4l.png
>   o it supports v4l and v4l2
>     (the v4l2 headers are missing on Fedora, so I copied the one struct in)
>   o we need to define the capabilities ,it's just "video.FIXME" now

Here are basic properties instead of FIXME:

  /* set defaults */
  hal_device_property_set_bool (d, "video.can_capture", FALSE);
  hal_device_property_set_bool (d, "video.can_output", FALSE);
  hal_device_property_set_bool (d, "video.has_tuner", FALSE);
  hal_device_property_set_bool (d, "video.has_audio", FALSE);
  hal_device_property_set_int (d, "video.video_channel_count", 0);
  hal_device_property_set_int (d, "video.audio_channel_count", 0);
  hal_device_property_set_string (d, "video.version", "");

Thanks,
Kay

> Support for printer ports
>   http://vrfy.org/projects/hal/Legacy_Parallel_Port.png
>   o h-d-m got a new pict for the screenshots :)
>   o changed the classdevice dispatcher to accept "usb|printer" as a filter,
>     cause "printer" class can be both
>   o we need to compute a udi, if we merge into the Computer
>   o if we can't find a printer responding, we set the name to "Parallel Port"
>   o printer_class_device accepts now devices without a sysdevice
>     (coldplug probe needs support for this, now only working on reconnect)
> 
> I used C99 initializers for the ClassDeviceHandler,
> if nobody objects, it I will change it all, after this is in.

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