[SRU] [B/D/E] [PATCH 0/1] Fix XPS 13 headphone noise

[Kai-Heng Feng]

BugLink: https://bugs.launchpad.net/bugs/1654448

[Impact]
XPS 13 9350/9360 has unbearlbe headphone noise after recent kernel
updates.

[Fix]
Lock Headphone Mic Boost level to 1 as an workaround to solve the issue.

[Test]
Plug a headphone to audio jack, the noise is really bad.
After applying the patch the noise is gone.

[Regression Potenial]
Low. This change only targets to 2 systems, so it has limited impact.

Kai-Heng Feng (1):
  ALSA: hda/realtek: Reduce the Headphone static noise on XPS 9350/9360

 sound/pci/hda/patch_realtek.c | 24 +++++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

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2.17.1