Comment 53 for bug 1864061

Same problem with Ubuntu 19.10 Lenovo Ideapad 320-15IAP Kernel 5.3.0-46.

None of the proposed solutions have worked. Same problem with Dummy Sound inside Gnome. I can see card and output with alsamixer.

Thanks in advance.

uname -a
Linux homeserver 5.3.0-46-generic #38-Ubuntu SMP Fri Mar 27 17:37:05 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

sudo lspci -vv
00:00.0 Host bridge: Intel Corporation Celeron N3350/Pentium N4200/Atom E3900 Series Host Bridge (rev 0b)
 Subsystem: Lenovo Celeron N3350/Pentium N4200/Atom E3900 Series Host Bridge
...
00:0e.0 Audio device: Intel Corporation Celeron N3350/Pentium N4200/Atom E3900 Series Audio Cluster (rev 0b) (prog-if 80)
 Subsystem: Lenovo Celeron N3350/Pentium N4200/Atom E3900 Series Audio Cluster
 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
 Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
 Latency: 0, Cache Line Size: 64 bytes
 Interrupt: pin A routed to IRQ 130
 Region 0: Memory at 91410000 (64-bit, non-prefetchable) [size=16K]
 Region 4: Memory at 91100000 (64-bit, non-prefetchable) [size=1M]
 Capabilities: [50] Power Management version 3
  Flags: PMEClk- DSI- D1- D2- AuxCurrent=55mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
  Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME-
 Capabilities: [80] Vendor Specific Information: Len=14 <?>
 Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+
  Address: 00000000fee01004 Data: 4028
 Capabilities: [70] Express (v1) Root Complex Integrated Endpoint, MSI 00
  DevCap: MaxPayload 128 bytes, PhantFunc 0
   ExtTag- RBE-
  DevCtl: CorrErr- NonFatalErr- FatalErr- UnsupReq-
   RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
   MaxPayload 128 bytes, MaxReadReq 512 bytes
  DevSta: CorrErr- NonFatalErr- FatalErr- UnsupReq- AuxPwr+ TransPend-
 Kernel driver in use: snd_hda_intel
 Kernel modules: snd_hda_intel, sof_pci_dev
...