[mythtv-users] One PCI DVB-T card, 2 items in lspci

[Hika van den Hoven]

Hoi Phill,

Thursday, May 28, 2015, 11:29:36 PM, you wrote:

>> > I have a DVB-T card which I've installed on a Proxmox server (a
> hypervisor
>> > similar to vmWare ESXi, XenServer etc). I'm trying to get PCI
> passthrough
>> > working on a MythBuntu VM and I'm part way there. One thing I'm confused
>> > about is that the PCI card shows up with two entries when you run lspci:
>>
>> > 05:02.0 Multimedia video controller: Conexant Systems, Inc.
> CX23880/1/2/3
>> > PCI Video and Audio Decoder (rev 05)
>> > 05:02.2 Multimedia controller: Conexant Systems, Inc. CX23880/1/2/3 PCI
>> > Video and Audio Decoder [MPEG Port] (rev 05)
>>
>> > Why is that? I'[m asking because I can only get one of them to pass
> through
>> > to the MythBuntu VM (the one with ID 05:02.2).
>>
>> Probably because it's a dual tuner card. They normally show up as sub
>> devices. (05:02.0 and 05:02.2) Just like hdmi audio on a video card
>> shows up separately.

> Hi, thanks for the suggestion, but I don't believe it is a dual tuner card.
> And if it was, why would the descriptions be different? I feel there's some
> other reason.

It anyhow suggests two drivers are needed. You should look in the
driver/kernel documentation on the name or the combination
vendor/device id.

Tot mails,
  Hika                            mailto:hikavdh at gmail.com

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