[pulseaudio-tickets] [PulseAudio] #896: Ignore lowest mixer level, via settings

PulseAudio trac-noreply at tango.0pointer.de
Wed Jan 19 07:11:55 PST 2011


#896: Ignore lowest mixer level, via settings
--------------------+-------------------------------------------------------
 Reporter:  danutz  |       Owner:  lennart
     Type:  defect  |      Status:  new    
Milestone:          |   Component:  daemon 
 Keywords:          |  
--------------------+-------------------------------------------------------
 On some HDA Intel cards, the lowest level for the Master control actually
 mutes the card, contrary to the AC'97 spec. ALSA does not always expose
 this information (e.g. the dB level reported by ALSA is -48dB, instead of
 -infinity).

 There have been several bug reports about this, with users getting passed
 back and forth between their distro, ALSA and Pulse. Many of these reports
 are now abandoned (since users probably got tired of getting the run-
 around).

 Since this is not (and may never be) solved *for all affected cards* *and*
 *in all affected places*, could you please provide a way to ignore the
 minimum level for a mixer element, e.g. in /usr/share/pulseaudio/alsa-
 mixer/paths/?

 If a setting were provided, I suspect most distros would enable it by
 default. The downside (less accurate mixer settings for extrelemely low
 volumes on some cards) is minimal. OTOH snd-hda-intel is extremely
 prevalent on laptops.

-- 
Ticket URL: <http://pulseaudio.org/ticket/896>
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