!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Mon Oct 8 05:06:08 UTC 2018 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: !!Kernel Information !!------------------ Kernel release: 4.14.72-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.14.72-v7 Library version: 1.1.3 Utilities version: 1.1.3 !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_usb_audio !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [ALSA ]: bcm2835_alsa - bcm2835 ALSA bcm2835 ALSA 1 [USB20 ]: USB-Audio - AV TO USB2.0 MACROSIL AV TO USB2.0 at usb-3f980000.usb-1.1.2, high speed !!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 !!Module: snd_usb_audio autoclock : Y device_setup : 0,0,0,0,0,0,0,0 enable : Y,Y,Y,Y,Y,Y,Y,Y id : (null),(null),(null),(null),(null),(null),(null),(null) ignore_ctl_error : N index : -2,-1,-1,-1,-1,-1,-1,-1 pid : -1,-1,-1,-1,-1,-1,-1,-1 quirk_alias : (null),(null),(null),(null),(null),(null),(null),(null) vid : -1,-1,-1,-1,-1,-1,-1,-1 !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x534d0021, ctrlif=2, ctlerr=0 Card: MACROSIL AV TO USB2.0 at usb-3f980000.usb-1.1.2, high speed Unit: 2 Control: name="Mic Capture Volume", index=0 Info: id=2, control=2, cmask=0x0, channels=1, type="S16" Volume: min=0, max=8191, dBmin=0, dBmax=3199 Unit: 2 Control: name="Mic Capture Switch", index=0 Info: id=2, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Oct 8 00:20 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Oct 8 00:20 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 16 Oct 8 00:20 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 Oct 8 00:20 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 56 Oct 8 00:20 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 1 Oct 8 00:20 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Oct 8 00:20 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Oct 8 00:20 . drwxr-xr-x 4 root root 220 Oct 8 00:20 .. lrwxrwxrwx 1 root root 12 Oct 8 00:20 usb-MACROSIL_AV_TO_USB2.0-02 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Oct 8 00:20 . drwxr-xr-x 4 root root 220 Oct 8 00:20 .. lrwxrwxrwx 1 root root 12 Oct 8 00:20 platform-3f980000.usb-usb-0:1.1.2:1.2 -> ../controlC1 lrwxrwxrwx 1 root root 12 Oct 8 00:20 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 !!-------Mixer controls for card 1 [USB20] 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 uvcvideo videobuf2_vmalloc videobuf2_memops snd_usb_audio videobuf2_v4l2 snd_hwdep videobuf2_core snd_usbmidi_lib snd_rawmidi videodev media snd_seq_device brcmfmac brcmutil cfg80211 snd_bcm2835 rfkill snd_pcm snd_timer snd i2c_bcm2835 fixed uio_pdrv_genirq uio i2c_dev ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 4.653977] usb 1-1.1.2: Manufacturer: MACROSIL [ 4.864204] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 4.868240] bcm2835_alsa bcm2835_alsa: card created with 8 channels -- [ 5.398124] Linux video capture interface: v2.00 [ 5.446047] usbcore: registered new interface driver snd-usb-audio [ 5.472915] uvcvideo: Found UVC 1.00 device AV TO USB2.0 (534d:0021)