This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
cosmic' to 'verification-done-cosmic'. If the problem still exists,
change the tag 'verification-needed-cosmic' to 'verification-failed-
cosmic'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: verification-needed-cosmic

** Tags added: verification-needed-bionic

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https://bugs.launchpad.net/bugs/1810891

Title:
  audio output has constant noise on a Dell machine

Status in HWE Next:
  New
Status in linux package in Ubuntu:
  Invalid
Status in linux source package in Bionic:
  Fix Committed
Status in linux source package in Cosmic:
  Fix Committed
Status in linux source package in Disco:
  Invalid

Bug description:

  [Impact]
  the audio output (headpohne, lineout and internal speaker) has constant
  noise when playing sound.

  [Fix]
  Set the pin configuration and some secret coeff registers, the noise
  disappears. This patch is written by Realtek engineer and is upstreamd
  already.

  
  [Test Case]
  play sound via internal speaker, lineout and headphone, no noise anymore.

  
  [Regression Potential]
  Very low, this patch is upstreamd for a while, no regression is reported.

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