Messages in this thread | | | Date | Mon, 29 May 2006 15:43:36 +0200 | From | Michael Hunold <> | Subject | Re: [v4l-dvb-maintainer] Re: Stradis driver conflicts with all other SAA7146 drivers |
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Hi,
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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