!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Wed Apr 1 02:33:56 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 !!PCI Soundcards installed in the system !!-------------------------------------- !!Advanced information - PCI Vendor/Device/Subsystem ID's !!------------------------------------------------------- !!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 1 02:17 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 16 Apr 1 02:17 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 Apr 1 02:17 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 18 Apr 1 02:17 /dev/snd/pcmC0D2p crw-rw---- 1 root audio 116, 1 Apr 1 02:17 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Apr 1 02:17 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Apr 1 02:17 . drwxr-xr-x 3 root root 180 Apr 1 02:17 .. lrwxrwxrwx 1 root root 12 Apr 1 02:17 platform-soc:audio -> ../controlC0 !!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 ip_vs_rr nft_chain_route_ipv4 xt_ipvs xt_state ip_vs xt_REDIRECT xt_nat veth vxlan ip6_udp_tunnel udp_tunnel xt_policy xt_mark xt_u32 xt_tcpudp 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 overlay bnep hci_uart btbcm serdev bluetooth ecdh_generic 8021q garp stp llc brcmfmac brcmutil sha256_generic cfg80211 rfkill bcm2835_codec raspberrypi_hwmon hwmon bcm2835_v4l2 v4l2_mem2mem snd_bcm2835 bcm2835_mmal_vchiq snd_pcm videobuf2_dma_contig v4l2_common videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_timer videobuf2_common snd videodev vc_sm_cma media uio_pdrv_genirq uio fixed ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 6.121302] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned. [ 6.132795] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 6.143073] bcm2835_audio soc:audio: card created with 8 channels