!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Thu May 11 14:26:23 UTC 2017 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: !!Kernel Information !!------------------ Kernel release: 4.4.50 Operating System: GNU/Linux Architecture: armv6l Processor: unknown SMP Enabled: No !!ALSA Version !!------------ Driver version: k4.4.50 Library version: 1.0.28 Utilities version: 1.0.28 !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_usb_audio !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [ALSA ]: bcm2835 - bcm2835 ALSA bcm2835 ALSA 1 [Device ]: USB-Audio - C-Media USB Audio Device C-Media USB Audio Device at usb-20980000.usb-1, full 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 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 vid : -1,-1,-1,-1,-1,-1,-1,-1 !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x0d8c0008, ctrlif=0, ctlerr=0 Card: C-Media USB Audio Device at usb-20980000.usb-1, full speed Unit: 9 Control: name="PCM Playback Volume", index=0 Info: id=9, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-7264, max=-16, dBmin=-2837, dBmax=-6 Unit: 9 Control: name="PCM Playback Switch", index=0 Info: id=9, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 10 Control: name="Auto Gain Control", index=0 Info: id=10, control=7, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 10 Control: name="Mic Capture Volume", index=0 Info: id=10, control=2, cmask=0x0, channels=1, type="S16" Volume: min=0, max=6096, dBmin=0, dBmax=2381 Unit: 10 Control: name="Mic Capture Switch", index=0 Info: id=10, 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 May 11 13:25 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 May 11 13:25 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 16 May 11 13:25 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 May 11 13:25 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 56 May 11 13:25 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 48 May 11 13:25 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 May 11 13:25 /dev/snd/seq crw-rw---- 1 root audio 116, 33 May 11 13:25 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 May 11 13:25 . drwxr-xr-x 4 root root 240 May 11 13:25 .. lrwxrwxrwx 1 root root 12 May 11 13:25 usb-0d8c_C-Media_USB_Audio_Device-00 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 May 11 13:25 . drwxr-xr-x 4 root root 240 May 11 13:25 .. lrwxrwxrwx 1 root root 12 May 11 13:25 platform-20980000.usb-usb-0:1:1.0 -> ../controlC1 !!Aplay/Arecord output !!-------------------- APLAY aplay: device_list:268: no soundcards found... ARECORD arecord: device_list:268: 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 [Device] 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 bluetooth evdev snd_usb_audio snd_hwdep snd_usbmidi_lib snd_rawmidi snd_seq_device brcmfmac brcmutil snd_bcm2835 snd_pcm snd_timer cfg80211 snd rfkill bcm2835_wdt bcm2835_gpiomem uio_pdrv_genirq uio usb_f_ecm g_ether usb_f_rndis u_ether libcomposite dwc2 udc_core ipv6 !!ALSA/HDA dmesg !!-------------- [ 9.876735] cfg80211: (57240000 KHz - 63720000 KHz @ 2160000 KHz), (N/A, 0 mBm), (N/A) [ 10.011521] usbcore: registered new interface driver snd-usb-audio [ 10.663062] brcmfmac: brcmf_add_if: ERROR: netdev:wlan0 already exists