Re: Strange PCI IDs

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Hi,

Am Montag, den 25.05.2009, 23:26 +0200 schrieb Nicolas Léveillé:
> Hello,
> 
> While discovering the bttv code (I'd like to add support to a yet 
> unsupported bttv derivative, the PMS PDI Deluxe) I found a strange commit:
> 
> changeset:   10944:6b90215088f0
> user:        Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
> date:        Wed Mar 11 08:18:53 2009 -0300
> summary:     Conceptronic CTVFMI2 PCI Id
> 
> within: linux/drivers/media/video/bt8xx/bttv-cards.c
> 
>          { 0x109e036e, BTTV_BOARD_CONCEPTRONIC_CTVFMI2,  "Conceptronic 
> CTVFMi v2"},
> 
> Does the above work at all for autodetecting this card?
> 
> The PCI ID looks suspiciously like a generic PCI ID, especially 
> considering that:
> 
>    109e : vendor id for "Brooktree Corporation"
>    036e : device id for "Bt878 Video Capture"
> 
> So I immediately was surprised to see the above PCI ID constant.
> 
> It does not appear it would cause any problem since the vendor and 
> device ids are reversed anyway, however is this really correct? 
> Shouldn't there be a comment about it?
> 
> Cheers,
> Nicolas Léveillé
> 

on the saa7134 driver we treat these sort of subsystem IDs, lots of
them, as invalid. One patch once made use of them and that part was
removed.

Cheers,
Hermann


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