[SRU] [Unstable/OEM-5.10] [PATCH 0/1] Fix Lenovo ThinkStation P620 rear audio

[Kai-Heng Feng]

BugLink: https://bugs.launchpad.net/bugs/1917842

[Impact]
Rear audio on Lenovo ThinkStation P620 stops working on newer kernel.

[Fix]
Use helper to the correct way to disable USB autosuspend.

[Test]
With the patch applied, the rear audio on Lenovo ThinkStation P620 works
again.

[Where problems could occur]
In a rather unlikely case, if any USB audio wrongly shared same device
ID with P620' USB audios, this patch will disable autosuspend on it.
However, it won't bring any functional impact.

Kai-Heng Feng (1):
  ALSA: usb-audio: Disable USB autosuspend properly in
    setup_disable_autosuspend()

 sound/usb/card.c     | 5 +++++
 sound/usb/quirks.c   | 2 +-
 sound/usb/usbaudio.h | 1 +
 3 files changed, 7 insertions(+), 1 deletion(-)

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2.30.0