APPLIED [OEM-5.10] Re: [SRU] [Unstable/OEM-5.10] [PATCH 0/1] Fix Lenovo ThinkStation P620 rear audio
Timo Aaltonen
tjaalton at ubuntu.com
Fri Mar 5 11:43:48 UTC 2021
On 5.3.2021 8.37, Kai-Heng Feng wrote:
> 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(-)
>
applied to oem-5.10, thanks
--
t
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