!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Sat Jan 11 08:56:34 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: 4.19.75-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.75-v7 Library version: 1.1.8 Utilities version: 1.1.8 !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_usb_audio !!Sound Servers on this system !!---------------------------- Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - Yes Jack: Installed - Yes (/usr/bin/jackd) Running - No !!Soundcards recognised by ALSA !!----------------------------- 0 [ALSA ]: bcm2835_alsa - bcm2835 ALSA bcm2835 ALSA 1 [Camera ]: USB-Audio - Full HD 1080P PC Camera A4 TECH Full HD 1080P PC Camera at usb-3f980000.usb-1.2, high speed !!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 !!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) use_vmalloc : Y vid : -1,-1,-1,-1,-1,-1,-1,-1 !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x0ac83500, ctrlif=2, ctlerr=0 Card: A4 TECH Full HD 1080P PC Camera at usb-3f980000.usb-1.2, high speed Unit: 2 Control: name="Mic Capture Volume", index=0 Info: id=2, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-5376, max=6912, dBmin=-2100, dBmax=2700 Unit: 2 Control: name="Mic Capture Switch", index=0 Info: id=2, control=1, cmask=0x3, channels=2, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Jan 11 10:37 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Jan 11 10:38 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 16 Jan 11 10:37 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 Jan 11 10:37 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 18 Jan 11 10:37 /dev/snd/pcmC0D2p crw-rw---- 1 root audio 116, 56 Jan 11 10:38 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 1 Jan 11 10:37 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Jan 11 10:37 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Jan 11 10:38 . drwxr-xr-x 4 root root 240 Jan 11 10:38 .. lrwxrwxrwx 1 root root 12 Jan 11 10:38 usb-A4_TECH_Full_HD_1080P_PC_Camera_MI1320_SOC-02 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Jan 11 10:38 . drwxr-xr-x 4 root root 240 Jan 11 10:38 .. lrwxrwxrwx 1 root root 12 Jan 11 10:38 platform-3f980000.usb-usb-0:1.2:1.2 -> ../controlC1 lrwxrwxrwx 1 root root 12 Jan 11 10:37 platform-soc:audio -> ../controlC0 !!Aplay/Arecord output !!-------------------- APLAY ALSA lib control.c:1375:(snd_ctl_open_noupdate) Invalid CTL hw:0 aplay: device_list:281: control open (0): No such file or directory ALSA lib control.c:1375:(snd_ctl_open_noupdate) Invalid CTL hw:1 aplay: device_list:281: control open (1): No such file or directory **** List of PLAYBACK Hardware Devices **** ARECORD ALSA lib control.c:1375:(snd_ctl_open_noupdate) Invalid CTL hw:0 arecord: device_list:281: control open (0): No such file or directory ALSA lib control.c:1375:(snd_ctl_open_noupdate) Invalid CTL hw:1 arecord: device_list:281: control open (1): No such file or directory **** List of CAPTURE Hardware Devices **** !!Amixer output !!------------- !!-------Mixer controls for card 0 [ALSA] ALSA lib control.c:1375:(snd_ctl_open_noupdate) Invalid CTL hw:0 amixer: Control device hw:0 open error: No such file or directory ALSA lib control.c:1375:(snd_ctl_open_noupdate) Invalid CTL hw:0 amixer: Mixer attach hw:0 error: No such file or directory !!-------Mixer controls for card 1 [Camera] ALSA lib control.c:1375:(snd_ctl_open_noupdate) Invalid CTL hw:1 amixer: Control device hw:1 open error: No such file or directory ALSA lib control.c:1375:(snd_ctl_open_noupdate) Invalid CTL hw:1 amixer: Mixer attach hw:1 error: No such file or directory !!Alsactl output !!-------------- --startcollapse-- --endcollapse-- !!All Loaded Modules !!------------------ Module fuse rfcomm bnep hci_uart btbcm serdev bluetooth ecdh_generic evdev 8021q garp stp llc snd_usb_audio snd_hwdep snd_usbmidi_lib brcmfmac uvcvideo snd_rawmidi snd_seq_device brcmutil sha256_generic cfg80211 raspberrypi_hwmon rfkill hwmon snd_bcm2835 bcm2835_codec bcm2835_v4l2 snd_pcm v4l2_mem2mem bcm2835_mmal_vchiq snd_timer v4l2_common videobuf2_dma_contig videobuf2_vmalloc snd videobuf2_memops videobuf2_v4l2 videobuf2_common videodev media vc_sm_cma uio_pdrv_genirq uio fixed i2c_dev ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 4.259834] bcm2835_codec: module is from the staging directory, the quality is unknown, you have been warned. [ 4.269235] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 4.271171] bcm2835-codec bcm2835-codec: Device registered as /dev/video10 -- [ 8.893425] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready [ 9.914010] usbcore: registered new interface driver snd-usb-audio [ 9.948192] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready