!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Tue Oct 8 20:59:35 UTC 2019 !!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: 4.19.75-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.75-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 Oct 8 14:12 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 16 Oct 8 14:12 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 Oct 8 14:12 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 18 Oct 8 14:12 /dev/snd/pcmC0D2p crw-rw---- 1 root audio 116, 1 Oct 8 14:12 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Oct 8 14:12 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Oct 8 14:12 . drwxr-xr-x 3 root root 180 Oct 8 14:12 .. lrwxrwxrwx 1 root root 12 Oct 8 14:12 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 tun 8021q garp stp llc ip6table_filter ip6_tables ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_filter 8192cu sha256_generic cfg80211 rfkill snd_bcm2835 bcm2835_codec bcm2835_v4l2 snd_pcm raspberrypi_hwmon v4l2_mem2mem hwmon bcm2835_mmal_vchiq snd_timer videobuf2_dma_contig snd v4l2_common videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev vc_sm_cma media uio_pdrv_genirq fixed uio ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 6.588948] bcm2835_codec: module is from the staging directory, the quality is unknown, you have been warned. [ 6.598516] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 6.606838] bcm2835-codec bcm2835-codec: Device registered as /dev/video10