!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Tue Feb 25 11:29:44 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-v7l Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.97-v7l 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 Feb 25 12:23 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 16 Feb 25 12:23 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 Feb 25 12:23 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 18 Feb 25 12:23 /dev/snd/pcmC0D2p crw-rw---- 1 root audio 116, 1 Feb 25 12:23 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Feb 25 12:23 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Feb 25 12:23 . drwxr-xr-x 3 root root 180 Feb 25 12:23 .. lrwxrwxrwx 1 root root 12 Feb 25 12:23 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 bnep hci_uart btbcm serdev bluetooth ecdh_generic 8021q garp stp llc brcmfmac brcmutil vc4 sha256_generic drm_kms_helper cfg80211 bcm2835_codec bcm2835_v4l2 v4l2_mem2mem v3d bcm2835_mmal_vchiq v4l2_common rfkill videobuf2_vmalloc videobuf2_dma_contig gpu_sched videobuf2_memops videobuf2_v4l2 videobuf2_common videodev snd_soc_core media drm raspberrypi_hwmon snd_bcm2835 snd_compress vc_sm_cma hwmon snd_pcm_dmaengine drm_panel_orientation_quirks snd_pcm syscopyarea snd_timer sysfillrect sysimgblt snd fb_sys_fops rpivid_mem uio_pdrv_genirq uio ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 3.990206] [vc_sm_connected_init]: installed successfully [ 4.008480] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 4.031041] bcm2835_audio soc:audio: card created with 8 channels -- [ 4.275741] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 4.354211] [drm] No displays found. Consider forcing hotplug if HDMI is attached [ 4.354306] vc4-drm soc:gpu: bound fe600000.firmwarekms (ops vc4_fkms_ops [vc4])