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SubjectRe: [v4l-dvb-maintainer] Re: Stradis driver conflicts with all other SAA7146 drivers

on 29.05.2006 15:33 Mauro Carvalho Chehab said the following:
> On bttv and other boards, were we have such conflicts, we have an option
> to specify what board is used (called card). When the driver locates a
> board without PCI subvendor ID, it shows a help msg at dmesg and exits
> (or load a generic handler). The user may then use card=xx (where xx is
> the number of the board). IMHO, this is the better for saa7146 boards.

bttv is a monolithic driver for all devices using Bt8x8 chipsets,
whereas saa7146 and saa7146_vv only hold the core infrastructure that is
common for all saa7146 cards.

saa7146 does not know anything about a card, but the so-called extension
driver (like mxb, hexium_orion or dpc7146) does. It holds the PCI IDs
and is responsible for telling the system what card it supports and do
any probing if necessary.

I don't know where to put the card=xx parameter in that case, because
the hexium_orion does not know mxb nor dpc7146. 8-(

Since these cards don't have subvendor/subdevice IDs, it's impossible to
find out which card is in the system.

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