[Bug 77002] hdmi audio problems with 3.14

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Apr 7 12:46:43 PDT 2014


https://bugs.freedesktop.org/show_bug.cgi?id=77002

Anssi Hannula <anssi at mageia.org> changed:

           What    |Removed                     |Added
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                 CC|                            |anssi at mageia.org

--- Comment #19 from Anssi Hannula <anssi at mageia.org> ---
(In reply to comment #17)
> (In reply to comment #16)
> > It seems to be
> > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/
> > ?id=7546abfb8e1f9933b549f05898377e9444ee4cb2
> > + the fact streams are assigned in reverse order.
> > 
> > I'll have a patch for reversing the assignment shortly.
> > 
> > Alex, is the limit 4 streams on 7-output cards as well, or is it just these
> > 1-output cards only?
> 
> What do you mean by 4 streams?  Is that the same as audio pins?

AFAIK this is the maximum amount of different streams played back at once. 
Before the patch I just attached, ALSA always used the "stream numbers"
starting from the last one, which caused problems with assumed 8 streams
because Christian's card only had 4 streams (his card had a single output only,
though; alsa-info: http://sprunge.us/dbiB ).

So in addition to the patch I just attached I think we need to correct the
stream count, _IF_ the 6/7-output cards only have 4 streams as well. But if
those cards support 6/7 streams as well, all is OK.

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