!!################################ !!ALSA Information Script v 0.4.65 !!################################ !!Script ran on: Fri Nov 27 16:27:04 UTC 2020 !!Linux Distribution !!------------------ Debian GNU/Linux 10 \n \l PRETTY_NAME="Debian GNU/Linux 10 (buster)" NAME="Debian GNU/Linux" ID=debian HOME_URL="https://www.debian.org/" SUPPORT_URL="https://www.debian.org/support" BUG_REPORT_URL="https://bugs.debian.org/" !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: System SKU: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 5.9.11 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.9.11 Library version: 1.1.8 Utilities version: 1.1.8 !!Loaded ALSA modules !!------------------- !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 1 [Set ]: USB-Audio - C-Media USB Headphone Set C-Media USB Headphone Set at usb-12120000.usb-1, full speed !!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=0x0d8c000c, ctrlif=0, ctlerr=0 Card: C-Media USB Headphone Set at usb-12120000.usb-1, full speed Unit: 9 Control: name="PCM Playback Volume", index=0 Info: id=9, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-7264, max=-16, dBmin=-2837, dBmax=-6 Unit: 9 Control: name="PCM 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=0, max=6096, dBmin=0, dBmax=2381 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 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 32 Nov 27 17:21 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 56 Nov 27 17:21 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 48 Nov 27 17:21 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 33 Nov 27 15:33 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Nov 27 17:21 . drwxr-xr-x 4 root root 160 Nov 27 17:21 .. lrwxrwxrwx 1 root root 12 Nov 27 17:21 usb-0d8c_C-Media_USB_Headphone_Set-00 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Nov 27 17:21 . drwxr-xr-x 4 root root 160 Nov 27 17:21 .. lrwxrwxrwx 1 root root 12 Nov 27 17:21 platform-12120000.usb-usb-0:1:1.0 -> ../controlC1 !!ALSA configuration files !!------------------------ !!System wide config file (/etc/asound.conf) ctl.eq { type equal controls "/root/.alsaequal.bin" } pcm.plugequal { type equal slave.pcm "plughw:0,0" controls "/root/.alsaequal.bin" } pcm.!default { type plug slave.pcm plugequal slave.channels 2 } ctl.!default { type hw card 0 } !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 1: Set [C-Media USB Headphone Set], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 1: Set [C-Media USB Headphone Set], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card Set Card hw:1 'Set'/'C-Media USB Headphone Set at usb-12120000.usb-1, full speed' Mixer name : 'USB Mixer' Components : 'USB0d8c:000c' Controls : 8 Simple ctrls : 3 Simple mixer control 'PCM',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 151 Mono: Front Left: Playback 44 [29%] [-20.13dB] [on] Front Right: Playback 44 [29%] [-20.13dB] [on] Simple mixer control 'Mic',0 Capabilities: cvolume cvolume-joined cswitch cswitch-joined Capture channels: Mono Limits: Capture 0 - 16 Mono: Capture 8 [50%] [11.90dB] [on] Simple mixer control 'Auto Gain Control',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] !!Alsactl output !!-------------- --startcollapse-- state.Set { 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 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.4 { iface MIXER name 'PCM Playback Volume' value.0 44 value.1 44 comment { access 'read write' type INTEGER count 2 range '0 - 151' dbmin -9999999 dbmax -6 dbvalue.0 -2013 dbvalue.1 -2013 } } control.5 { iface MIXER name 'Mic Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.6 { iface MIXER name 'Mic Capture Volume' value 8 comment { access 'read write' type INTEGER count 1 range '0 - 16' dbmin 0 dbmax 2381 dbvalue.0 1190 } } control.7 { iface MIXER name 'Auto Gain Control' value true comment { access 'read write' type BOOLEAN count 1 } } control.8 { iface CARD name 'Keep Interface' value false comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ mc s5p_cec snd_hwdep snd_rawmidi snd_usb_audio snd_usbmidi_lib !!ALSA/HDA dmesg !!-------------- [ 35.702207] input: gpio_keys as /devices/platform/gpio_keys/input/input0 [ 35.757822] ALSA device list: [ 35.759587] No soundcards found. [ 35.768614] Freeing unused kernel memory: 1024K -- [ 6477.112592] mc: Linux media interface: v0.10 [ 6477.248290] usbcore: registered new interface driver snd-usb-audio !!Packages installed !!-------------------- ii alsa-utils 1.1.8-2 armhf Utilities for configuring and using ALSA