This problem is still not solved, I have no idea what to do next...
Here are some more info if it helps.
----------------------------------------
$ cat /proc/asound/cards ;
0 [HDMI ]: HDA-Intel - HDA Intel HDMI
HDA Intel HDMI at 0xf7a1c000 irq 53
1 [PCH ]: HDA-Intel - HDA Intel PCH
HDA Intel PCH at 0xf7a18000 irq 52
2 [N550 ]: USB-Audio - Logitech Speaker Lapdesk N550
Logitech, Inc. Logitech Speaker Lapdesk N550 at
usb-0000:00:14.0-2, full speed
3 [G4ME1 ]: USB-Audio - Sennheiser 3D G4ME1
Sennheiser Sennheiser 3D G4ME1 at usb-0000:00:14.0-1,
full speed
----------------------------------------
$ sudo hdajacksensetest -a -c 1
Pin 0x12 (Internal Mic): present = No
Pin 0x14 (Internal Speaker): present = No
Pin 0x15 (Black Headphone, Left side): present = No
Pin 0x16 (Not connected): present = No
Pin 0x18 (Not connected): present = No
Pin 0x19 (Pink Mic, Left side): present = No
Pin 0x1a (Not connected): present = No
Pin 0x1b (Black Mic, Left side): present = No
Pin 0x1d (Not connected): present = No
Pin 0x1e (Not connected): present = No
Pin 0x1f (Not connected): present = No
----------------------------------------
screenshot from HDAJackRetask: https://mrkr.io/YCtl1hILMJ
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https://bugs.launchpad.net/bugs/1395501
Title:
input devices found, but there is no input level
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