[mythtv-users] Help with dual PVR250's & UDEV

[Hika van den Hoven]

Hoi Dave,

Monday, February 16, 2015, 3:20:43 PM, you wrote:

> -----Original message-----
> From:Hika van den Hoven <hikavdh at gmail.com>
> Sent:Mon 16-02-2015 13:52
> Subject:Re: [mythtv-users] Help with dual PVR250‘s & UDEV
> To:Discussion about MythTV <mythtv-users at mythtv.org>; 
> Hoi Dave,

> Monday, February 16, 2015, 1:04:56 PM, you wrote:

>> -----Original message-----
>> From:Dave Pearson (Lists) <lists at the-pearsons.co.uk>
>> Sent:Mon 16-02-2015 12:01
>> Subject:[mythtv-users] Help with dual PVR250‘s & UDEV
>> To:mythtv-users at mythtv.org; 
>>  

>> Hi,

>>  
>> I've currently got 2 backends with a PVR250 in each. Each PVR250 is
>> connected to a different Set Top Box via the composite port and uses
>> a different channel change script. I want to put both cards into the
>> master backend, but I need to be sure that each card always has the
>> same name, so that the correct channel change script is assigned to the correct card.

>>  
>> In advance of this I've been playing with UDEV rules to try and
>> give the PVR250 in the master back end it's own unique name (such as
>> /dev/pvr250-1), but I haven't been able to come up with a rule to do this.

>>  
>> I guess what I'm looking for is a rule that will name the card, based on which PCI slot it is in.

>>  
>> Can anyone help with a rule to do this, I'm running ubuntu 14.10?

>>  
>> Thanks,

>> Dave.

>> 
>> <http://mandrillapp.com/track/open.php?u=15101611&id=1bd50fb395f74ff685d32b73a637730b>
>>  


> This works with PVR350 and PVR500:

> # Hauppauge PVR500 mpeg2 encoder
> # pci/vendor id 4444:0016 / 0070:e807/e817 
> # driver ivtv
> SUBSYSTEM=="video4linux", \
>         KERNEL=="video*", \
>         ATTR{name}=="ivtv? encoder MPG", \
>         ATTRS{vendor}=="0x4444", \
>         ATTRS{device}=="0x0016", \
>         ATTRS{subsystem_device}=="0xe807", \
>         SYMLINK+="v4l/PVR500/mpeg0"
> SUBSYSTEM=="video4linux", \
>         KERNEL=="video*", \
>         ATTR{name}=="ivtv? encoder MPG", \
>         ATTRS{vendor}=="0x4444", \
>         ATTRS{device}=="0x0016", \
>         ATTRS{subsystem_device}=="0xe817", \
>         SYMLINK+="v4l/PVR500/mpeg1"

> # Hauppauge PVR350 mpeg2 encoder
> # pci/vendor id 4444:0803 / 0070:4000 
> # driver ivtv
> SUBSYSTEM=="video4linux", \
>         KERNEL=="video*", \
>         ATTR{name}=="ivtv? encoder MPG", \
>         ATTRS{vendor}=="0x4444", \
>         ATTRS{device}=="0x0803", \
>         SYMLINK+="v4l/PVR350/mpeg"

> But this would be identical for both. If you want to distinquish them
> you have to do that by their pci slot. I have two PVR500's
> The one has KERNELS=="0000:05:05:0" and the other "0000:05:06:0 on
> their parent device. So add that.

> You can check with:
> udevadm info --attribute-walk --path $(udevadm info --query path --name=/dev/video0)

> Tot mails,
>   Hika                            mailto:hikavdh at gmail.com


> Hi Hika,

>  
> Thanks for that, it works perfectly with the PCI slot details added
> (and tested with incorrect detail it fails) so I'm good to add the
> other card, knowing that I can address that one too!

>  
> I spent ages yesterday trying to come up with a rule to do this,
> but couldn't seem to get the right combination of variables.

>  
>  
> Regards,

> Dave.
>  

Great! It's extremely literal!


Tot mails,
  Hika                            mailto:hikavdh at gmail.com

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