[Bug 1834138] Re: PA: Don't restore the streams to sinks/sources with only unavailable ports

Daniel van Vugt daniel.van.vugt at canonical.com
Fri Jul 26 05:34:15 UTC 2019


I think this probably should be reworded:

[Regression Potential]

No, ...

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Title:
  PA: Don't restore the streams to sinks/sources with only unavailable
  ports

Status in HWE Next:
  New
Status in OEM Priority Project:
  Confirmed
Status in pulseaudio package in Ubuntu:
  Fix Released
Status in pulseaudio source package in Bionic:
  In Progress
Status in pulseaudio source package in Disco:
  Fix Committed
Status in pulseaudio source package in Eoan:
  Fix Released

Bug description:
  SRU Document:

  [Impact]

  The Lenovo P520 machine has dual analogue codecs, so there are two
  sinks and two sources in the PA, one has the front headphone and front
  microphone, the other has the rear lineout, linein and rear
  microphone, and the rear microphone always shows up in the gnome-
  sound-setting, When we plug a microphone to front audio jack, there
  are two input devices: rear mic and front mic in the gnome-sound-
  setting, and suppose users select the the front mic to record sound
  via audio app like arecord, the front mic will be bond the arecord,
  after the front mic is unplugged, there is only one rear mic left in
  the gnome-sound-setting, but the binding will not be changed, the
  arecrod still bind to front mic, under this situation if users record
  sound via arecord, they will find they can't record any sound from any
  other input devices even they are listed in the gnome-sound-setting.
  This problem also happens to output devices too.

  [Test Case]

  After applying this patch, I did the same test: unplug the front mic,
  then use the arecord to record sound, the app can record sound from
  rear mic now. After I plug the front mic back, the arecord still
  record from front mic. Also did the similar test for output devices,
  it worked as expected too.

  [Regression Potential]

  No, Just make a simple check when creating new streams
  (sink_input/source_output), If the restored device (sink/source) has
  ports and all ports are unavialble, it will not restore the binding,
  otherwise it will work as before.

  [Other Info]

  No more info here

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