!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Tue Dec 4 11:17:03 UTC 2018 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: !!Kernel Information !!------------------ Kernel release: 4.14.71-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.14.71-v7 Library version: 1.1.3 Utilities version: 1.1.3 !!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 Dec 4 11:16 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 16 Dec 4 11:16 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 Dec 4 11:16 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 1 Dec 4 11:16 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Dec 4 11:16 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Dec 4 11:16 . drwxr-xr-x 3 root root 160 Dec 4 11:16 .. lrwxrwxrwx 1 root root 12 Dec 4 11:16 platform-soc:audio -> ../controlC0 !!Aplay/Arecord output !!-------------------- APLAY aplay: device_list:270: no soundcards found... ARECORD arecord: device_list:270: 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 ctr aes_arm_bs crypto_simd cryptd ccm arc4 rt2800usb sg rt2800lib rt2x00usb rt2x00lib mac80211 cfg80211 ftdi_sio rfkill usbserial crc_ccitt snd_bcm2835 snd_pcm snd_timer snd fixed uio_pdrv_genirq uio ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 3.533115] systemd-journald[95]: Received request to flush runtime journal from PID 1 [ 4.151614] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 4.157319] bcm2835_alsa bcm2835_alsa: card created with 8 channels