Specifying the order of sound devices

[Scott James Remnant]

On Mon, 2006-04-10 at 17:49 +0100, Matthew Garrett wrote:

> On Mon, Apr 10, 2006 at 12:40:46PM -0400, Lee Revell wrote:
> 
> > Maybe I'm missing something - if two drivers can claim the same device
> > it's necessary for the distro to choose one and blacklist the other,
> > correct?  Like ALSA vs. OSS...
> 
> No. The situation here is pretty complicated :)
> 
> There are two classes of Prism54 devices - fullmac and softmac. Softmac 
> cards have less RAM. As a result, they run a slimmed-down firmware that 
> requires the host to carry out more tasks. This provides increased 
> flexibility, but at the cost of taking up system resources[1].
> 
> All Prism54s can be run with the softmac firmware and driver, but it's 
> preferable to use the fullmac one on cards which support it. The problem 
> arises due to the fact that some softmac cards have identical PCI IDs to 
> fullmac ones. As a result, blacklisting is basically impossible.
> 
Simple.  Blacklist the fullmac driver, if the softmac driver is able to
run all of the cards, then it is automatically our "preferred option".

It might not be as pretty, but it would actually fix the problem.

Scott
-- 
Scott James Remnant
scott at ubuntu.com
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