!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Mon Jun 3 11:23:02 UTC 2019 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: !!Kernel Information !!------------------ Kernel release: 4.19.42-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.42-v7 Library version: 1.1.3 Utilities version: 1.1.3 !!Loaded ALSA modules !!------------------- snd_bcm2835 !!Sound Servers on this system !!---------------------------- Jack: Installed - Yes (/usr/bin/jackd) Running - No !!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 May 18 13:41 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 16 May 18 13:41 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 May 18 13:41 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 1 May 18 13:41 /dev/snd/seq crw-rw---- 1 root audio 116, 33 May 18 13:41 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 May 18 13:41 . drwxr-xr-x 3 root root 160 May 18 13:41 .. lrwxrwxrwx 1 root root 12 May 18 13:41 platform-soc:audio -> ../controlC0 !!ALSA configuration files !!------------------------ !!System wide config file (/etc/asound.conf) pcm.dsnooper { type dsnoop ipc_key 816357492 ipc_key_add_uid 0 ipc_perm 0666 slave { pcm "hw:1,0" channels 1 } } pcm.!default { type asym playback.pcm { type plug slave.pcm "hw:0,0" } capture.pcm { type plug slave.pcm "dsnooper" } } !!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 ipt_MASQUERADE nf_conntrack_netlink nfnetlink iptable_nat nf_nat_ipv4 xt_addrtype iptable_filter xt_conntrack nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 br_netfilter bridge stp llc fuse rfcomm bnep hci_uart btbcm serdev bluetooth ecdh_generic overlay brcmfmac brcmutil sha256_generic cfg80211 rfkill bcm2835_codec bcm2835_v4l2 v4l2_mem2mem snd_bcm2835 bcm2835_mmal_vchiq v4l2_common videobuf2_dma_contig videobuf2_vmalloc snd_pcm videobuf2_memops raspberrypi_hwmon videobuf2_v4l2 snd_timer videobuf2_common snd hwmon videodev vc_sm_cma media fixed uio_pdrv_genirq uio i2c_dev ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 3.453487] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned. [ 3.457272] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 3.473670] bcm2835_v4l2: module is from the staging directory, the quality is unknown, you have been warned.