!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Wed Jul 20 15:00:20 UTC 2022 !!Linux Distribution !!------------------ Ubuntu 20.04.1 LTS \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 20.04.1 LTS" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 20.04.1 LTS" HOME_URL="https://www.ubuntu.com/" SUPPORT_URL="https://help.ubuntu.com/" BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/" PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy" UBUNTU_CODENAME=focal !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 5.15.53 Operating System: GNU/Linux Architecture: aarch64 Processor: aarch64 SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.15.53 Library version: 1.2.2 Utilities version: 1.2.2 !!Loaded ALSA modules !!------------------- !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 1 [Device ]: USB-Audio - USB Audio Device C-Media Electronics Inc. USB Audio Device at usb-ff5d0000.usb-1, full speed !!PCI Soundcards installed in the system !!-------------------------------------- !!Modprobe options (Sound related) !!-------------------------------- snd_pcsp: index=-2 snd_usb_audio: index=-2 snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 !!Loaded sound module options !!--------------------------- !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x0d8c0014, ctrlif=0, ctlerr=0 Card: C-Media Electronics Inc. USB Audio Device at usb-ff5d0000.usb-1, full speed Unit: 9 Control: name="Speaker Playback Volume", index=0 Info: id=9, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-9472, max=0, dBmin=-3700, dBmax=0 Unit: 9 Control: name="Speaker Playback Switch", index=0 Info: id=9, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 10 Control: name="Auto Gain Control", index=0 Info: id=10, control=7, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 10 Control: name="Mic Capture Volume", index=0 Info: id=10, control=2, cmask=0x0, channels=1, type="S16" Volume: min=-3072, max=5888, dBmin=-1200, dBmax=2300 Unit: 10 Control: name="Mic Capture Switch", index=0 Info: id=10, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 13 Control: name="Mic Playback Volume", index=0 Info: id=13, control=2, cmask=0x0, channels=1, type="S16" Volume: min=-5888, max=2048, dBmin=-2300, dBmax=800 Unit: 13 Control: name="Mic Playback Switch", index=0 Info: id=13, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 4 Jul 20 13:36 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 3 Jul 20 13:36 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 2 Jul 20 13:36 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 Jul 20 13:36 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Jul 20 13:36 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Jul 20 13:36 . drwxr-xr-x 4 root root 180 Jul 20 13:36 .. lrwxrwxrwx 1 root root 12 Jul 20 13:36 usb-C-Media_Electronics_Inc._USB_Audio_Device-00 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Jul 20 13:36 . drwxr-xr-x 4 root root 180 Jul 20 13:36 .. lrwxrwxrwx 1 root root 12 Jul 20 13:36 platform-ff5d0000.usb-usb-0:1:1.0 -> ../controlC1 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 1: Device [USB Audio Device], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 1: Device [USB Audio Device], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card Device Card hw:1 'Device'/'C-Media Electronics Inc. USB Audio Device at usb-ff5d0000.usb-1, full speed' Mixer name : 'USB Mixer' Components : 'USB0d8c:0014' Controls : 9 Simple ctrls : 3 Simple mixer control 'Speaker',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 37 Mono: Front Left: Playback 17 [46%] [-20.00dB] [on] Front Right: Playback 17 [46%] [-20.00dB] [on] Simple mixer control 'Mic',0 Capabilities: pvolume pvolume-joined cvolume cvolume-joined pswitch pswitch-joined cswitch cswitch-joined Playback channels: Mono Capture channels: Mono Limits: Playback 0 - 31 Capture 0 - 35 Mono: Playback 16 [52%] [-7.00dB] [off] Capture 20 [57%] [8.00dB] [on] Simple mixer control 'Auto Gain Control',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] !!Alsactl output !!-------------- --startcollapse-- state.Device { control.1 { iface PCM name 'Playback Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.2 { iface PCM name 'Capture Channel Map' value 0 comment { access read type INTEGER count 1 range '0 - 36' } } control.3 { iface MIXER name 'Mic Playback Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.4 { iface MIXER name 'Mic Playback Volume' value 16 comment { access 'read write' type INTEGER count 1 range '0 - 31' dbmin -9999999 dbmax 800 dbvalue.0 -700 } } control.5 { iface MIXER name 'Speaker Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.6 { iface MIXER name 'Speaker Playback Volume' value.0 17 value.1 17 comment { access 'read write' type INTEGER count 2 range '0 - 37' dbmin -9999999 dbmax 0 dbvalue.0 -2000 dbvalue.1 -2000 } } control.7 { iface MIXER name 'Mic Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.8 { iface MIXER name 'Mic Capture Volume' value 20 comment { access 'read write' type INTEGER count 1 range '0 - 35' dbmin -1200 dbmax 2300 dbvalue.0 800 } } control.9 { iface MIXER name 'Auto Gain Control' value true comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ bridge crct10dif_ce ip_tables llc nfsd r8152 sch_fq_codel snd_hwdep snd_rawmidi snd_usb_audio snd_usbmidi_lib stp uio uio_pdrv_genirq x_tables !!ALSA/HDA dmesg !!-------------- [ 2.487583] input: gpio-keys as /devices/platform/gpio-keys/input/input1 [ 2.490424] ALSA device list: [ 2.490743] No soundcards found. [ 2.491417] dw-apb-uart ff130000.serial: forbid DMA for kernel console -- [ 7.923563] rk_gmac-dwmac ff540000.ethernet: init for RGMII [ 8.502877] usbcore: registered new interface driver snd-usb-audio [ 8.510809] usbcore: registered new interface driver r8152