regression in HDA functionality

[Daniel O'Connor]

On Fri, 3 Oct 2008, Alexander Motin wrote:
> If you think that driver should have some additional logic in
> handling of such cases - describe it please. I don't see why driver
> should not use digital outputs or how independent soundcards should
> be ordered (actually it is not driver's business to enumerate
> soundcards).
>
> If you think that driver is not documented good, please feel free to
> fix. I am not a native speaker, sorry. I did all I can.

It seems that a lot of new systems now have multiple sound outputs 
(because they use HDA) so there needs to be some way to elect a default 
sound output (override by sysctl of course :)

eg selecting the HDMI output is pointless if there is no HDMI link 
active (can you detect HDMI status?)

Maybe devd can be fed events in some way? I don't know if it's possible 
but if the HDA driver could detect jack status (ie if something is 
plugged in) then it would be fairly straightforward to write a script 
to switch output when the user plugged in headphones.

-- 
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
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