Internal microphone is not detected

Hi all,
I’m on Opensuse Tumbleweed with Gnome, and I can’t use internal microphone because the system doesn’t recognize it. Here the result of lshw and arecord -l:

physical id: 0
131-                bus info: pci@0000:01:00.0
132-                logical name: /dev/fb0
133-                version: a1
134-                width: 64 bits
135-                clock: 33MHz
136-                capabilities: pm msi pciexpress vga_controller cap_list fb
137-                configuration: depth=32 latency=0 mode=2560x1600 visual=truecolor xres=2560 yres=1600
138-                resources: iomemory:3ffa0-3ff9f iomemory:3ffc0-3ffbf memory:c0000000-c0ffffff memory:3ffa00000000-3ffbffffffff memory:3ffc00000000-3ffc01ffffff ioport:3000(size=128) memory:c1080000-c10fffff
139-           *-multimedia
140:                description: Audio device
141-                product: NVIDIA Corporation
142-                vendor: NVIDIA Corporation
143-                physical id: 0.1
144-                bus info: pci@0000:01:00.1
145-                logical name: card0
146-                logical name: /dev/snd/controlC0
147-                logical name: /dev/snd/hwC0D0
148-                logical name: /dev/snd/pcmC0D3p
149-                logical name: /dev/snd/pcmC0D7p
150-                logical name: /dev/snd/pcmC0D8p
151-                logical name: /dev/snd/pcmC0D9p
152-                version: a1
153-                width: 32 bits
154-                clock: 33MHz
--
594-                      description: USB hub
595-                      product: USB3.0 Hub
596-                      vendor: VIA Labs, Inc.
597-                      physical id: 1
598-                      bus info: usb@6:1
599-                      version: 7.c3
600-                      capabilities: usb-3.20
601-                      configuration: driver=hub slots=4 speed=5000Mbit/s
602-           *-multimedia:0 UNCLAIMED
603-                description: Multimedia controller
604:                product: ACP/ACP3X/ACP6x Audio Coprocessor
605-                vendor: Advanced Micro Devices, Inc. [AMD]
606-                physical id: 0.5
607-                bus info: pci@0000:09:00.5
608-                version: 62
609-                width: 32 bits
610-                clock: 33MHz
611-                capabilities: pm pciexpress msi bus_master cap_list
612-                configuration: latency=0
613-                resources: memory:c1780000-c17bffff
614-           *-multimedia:1
615:                description: Audio device
616:                product: Family 17h/19h HD Audio Controller
617-                vendor: Advanced Micro Devices, Inc. [AMD]
618-                physical id: 0.6
619-                bus info: pci@0000:09:00.6
620-                logical name: card1
621-                logical name: /dev/snd/controlC1
622-                logical name: /dev/snd/hwC1D0
623-                logical name: /dev/snd/pcmC1D0c
624-                logical name: /dev/snd/pcmC1D0p
625-                logical name: /dev/snd/pcmC1D2c
626-                version: 00
627-                width: 32 bits
628-                clock: 33MHz
629-                capabilities: pm pciexpress msi bus_master cap_list
630-                configuration: driver=snd_hda_intel latency=0
631-                resources: irq:121 memory:c17c0000-c17c7fff
632-              *-input
633:                   product: HD-Audio Generic Headphone Mic
634-                   physical id: 0
635-                   logical name: input19
636-                   logical name: /dev/input/event15
**** List of CAPTURE Hardware Devices ****
card 1: Generic [HD-Audio Generic], device 0: ALC3254 Analog [ALC3254 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: Generic [HD-Audio Generic], device 2: ALC3254 Alt Analog [ALC3254 Alt Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

Thanks

Is your “internal microphone” not connected to one of these two cards listed?

Would be also good to list the output of “inxi -A”, inxi gives often the information in a form that is good to read.