[PATCH] ALSA: usb-audio: Disable Lenovo P620 Rear line-in volume control

[Takashi Iwai]

On Mon, 10 Aug 2020 15:31:06 +0200,
Kai-Heng Feng wrote:
> 
> The USB device (0x17aa:0x1046) that support Lenovo P620 rear panel
> line-in claim to support volume control, but it doens't seem to have an
> AMP, so when line-in volume lowers below 80, nothing gets recorded
> anymore.
> 
> Disable the volume control to workaround the issue.
> 
> Signed-off-by: Kai-Heng Feng <kai.heng.feng at canonical.com>

Thanks, applied.


Takashi