!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Sat Apr 25 23:00:44 UTC 2020 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: !!Kernel Information !!------------------ Kernel release: 4.19.66-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.66-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 Apr 26 00:51 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 16 Apr 26 00:51 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 Apr 26 00:51 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 18 Apr 26 00:51 /dev/snd/pcmC0D2p crw-rw---- 1 root audio 116, 1 Apr 26 00:51 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Apr 26 00:51 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Apr 26 00:51 . drwxr-xr-x 3 root root 180 Apr 26 00:51 .. lrwxrwxrwx 1 root root 12 Apr 26 00:51 platform-soc:audio -> ../controlC0 !!ALSA configuration files !!------------------------ !!User specific config file (~/.asoundrc) pcm.!default { type plug slave.pcm { type bluealsa device "30:21:3E:31:C6:2B" profile "a2dp" } } !!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 evdev uinput rfcomm bnep hci_uart btbcm serdev bluetooth ecdh_generic fuse sg uas brcmfmac brcmutil sha256_generic bcm2835_v4l2 v4l2_common videobuf2_vmalloc cfg80211 bcm2835_codec v4l2_mem2mem bcm2835_mmal_vchiq videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_common rfkill videodev snd_bcm2835 media raspberrypi_hwmon hwmon snd_pcm snd_timer snd vc_sm_cma fixed uio_pdrv_genirq uio i2c_dev ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 3.544405] media: Linux media interface: v0.10 [ 3.552107] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 3.593200] bcm2835_audio soc:audio: card created with 8 channels