!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Wed Apr 29 00:53:44 UTC 2020 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 4.19.97-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.97-v7 Library version: 1.1.8 Utilities version: 1.1.8 !!Loaded ALSA modules !!------------------- snd_bcm2835 !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [ALSA ]: bcm2835_alsa - bcm2835 ALSA bcm2835 ALSA !!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 !!--------------------------- !!Module: snd_bcm2835 enable_compat_alsa : Y enable_hdmi : N enable_headphones : N force_bulk : N !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Apr 29 00:17 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 16 Apr 29 00:17 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 Apr 29 00:17 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 18 Apr 29 00:17 /dev/snd/pcmC0D2p crw-rw---- 1 root audio 116, 1 Apr 29 00:17 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Apr 29 00:17 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Apr 29 00:17 . drwxr-xr-x 3 root root 180 Apr 29 00:17 .. lrwxrwxrwx 1 root root 12 Apr 29 00:17 platform-soc:audio -> ../controlC0 !!ALSA configuration files !!------------------------ !!System wide config file (/etc/asound.conf) pcm.!default { type hw card 0 device 0 } ctl.!default { type hw card 0 } !!Aplay/Arecord output !!-------------------- APLAY aplay: device_list:272: no soundcards found... ARECORD arecord: device_list:272: no soundcards found... !!Amixer output !!------------- !!-------Mixer controls for card 0 [ALSA] Invalid card number. Usage: amixer [command] Available options: -h,--help this help -c,--card N select the card -D,--device N select the device, default 'default' -d,--debug debug mode -n,--nocheck do not perform range checking -v,--version print version of this program -q,--quiet be quiet -i,--inactive show also inactive controls -a,--abstract L select abstraction level (none or basic) -s,--stdin Read and execute commands from stdin sequentially -R,--raw-volume Use the raw value (default) -M,--mapped-volume Use the mapped volume Available commands: scontrols show all mixer simple controls scontents show contents of all mixer simple controls (default command) sset sID P set contents for one mixer simple control sget sID get contents for one mixer simple control controls show all controls for given card contents show contents of all controls for given card cset cID P set control contents for one control cget cID get control contents for one control Invalid card number. Usage: amixer [command] Available options: -h,--help this help -c,--card N select the card -D,--device N select the device, default 'default' -d,--debug debug mode -n,--nocheck do not perform range checking -v,--version print version of this program -q,--quiet be quiet -i,--inactive show also inactive controls -a,--abstract L select abstraction level (none or basic) -s,--stdin Read and execute commands from stdin sequentially -R,--raw-volume Use the raw value (default) -M,--mapped-volume Use the mapped volume Available commands: scontrols show all mixer simple controls scontents show contents of all mixer simple controls (default command) sset sID P set contents for one mixer simple control sget sID get contents for one mixer simple control controls show all controls for given card contents show contents of all controls for given card cset cID P set control contents for one control cget cID get control contents for one control !!Alsactl output !!-------------- --startcollapse-- --endcollapse-- !!All Loaded Modules !!------------------ Module xt_nat xt_tcpudp veth xt_conntrack ipt_MASQUERADE nf_conntrack_netlink nft_counter xt_addrtype nft_compat nft_chain_nat_ipv4 nf_nat_ipv4 nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables nfnetlink br_netfilter bridge stp llc overlay snd_bcm2835 snd_pcm snd_timer snd raspberrypi_hwmon hwmon vc_sm_cma uio_pdrv_genirq uio fixed ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 2.986145] [vc_sm_connected_init]: failed to initialize shared memory service [ 3.109735] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 3.147646] bcm2835_audio soc:audio: card created with 8 channels