Re: Fwd: Re: USB Quattro Linux support

[James Courtier-Dutton <James@superbug.demon.co.uk>]

Paul Davis wrote:

>>This is a multi-part message in MIME format...
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>AKA: This is a message in which the content is about 2% of the message
>body :)
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>>I'm trying to get some specs from midiman for the usb quattro. They have asked
>>this question. Can anyone fill me in so I can relay the info?
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>>Is there "class driver" support under Linux?
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>I suspect he means something like "audio class", "printer class",
>etc. The answer is yes, sort of. What we have right now is a single
>USB audio driver for OSS that attempts to implement the audio class
>and also contains the inevitable long list of per-device hacks needed
>to work around the fact that almost no manufacturer fully complies
>with the class specification.
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>However, its for OSS, which is a problem, and we don't yet have a USB
>framework for ALSA worked out, which is even more of a problem. Its
>still unclear at this point whether the ALSA framework will be:
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>      application<->alsa-lib<->alsa-driver<->low-level-ALSA-USB-class-driver
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>OR
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>      application<->alsa-lib<->low-level-non-ALSA-USB-class-driver
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>the first one is easier to write, the second one is more flexible.
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>--p
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Is the biggest problem the need to get alsa to accept Plugable hardware. 
E.g. USB.
Does the current alsa architecture allow for hot plug and remove of 
sound hardware ?

Cheers
James



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