APPLIED[OEM-5.6] Re: [SRU] [Unstable/OEM-5.6] [PATCH 0/1] Disable Lenovo P620 Rear line-in volume control

[Timo Aaltonen]

On 12.8.2020 11.28, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1891281
> 
> This need to apply after "Add initial audio support for Lenovo
> ThinkStation P620":
> https://lists.ubuntu.com/archives/kernel-team/2020-August/112479.html
> 
> [Impact]
> Line-in can't record anything once volume is lower than 80%.
> 
> [Fix]
> Line-in in general doesn't have AMP, so disable volume control for it.
> 
> [Test]
> After applying the patch, line-in can always record sound regardless of
> volume.
> 
> [Regression Potential]
> This fix only affects one specific device, furthermore, there's no
> real functional change as the fix itself is a quirk.
> 
> Kai-Heng Feng (1):
>   ALSA: usb-audio: Disable Lenovo P620 Rear line-in volume control
> 
>  sound/usb/mixer_maps.c | 1 +
>  1 file changed, 1 insertion(+)
> 

applied to oem-5.6, thanks

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t