!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Mon Dec 9 06:43:49 UTC 2019 !!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_usb_audio snd_bcm2835 !!Sound Servers on this system !!---------------------------- Jack: Installed - Yes (/usr/bin/jackd) Running - No !!Soundcards recognised by ALSA !!----------------------------- 0 [CameraB409241 ]: USB-Audio - USB Camera-B4.09.24.1 OmniVision Technologies, Inc. USB Camera-B4.09.24.1 at usb-3f980000.usb-1.4, hi 1 [ALSA ]: bcm2835_alsa - bcm2835 ALSA bcm2835 ALSA !!Modprobe options (Sound related) !!-------------------------------- snd_pcsp: index=-2 snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 !!Loaded sound module options !!--------------------------- !!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 : -1,-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 !!Module: snd_bcm2835 enable_compat_alsa : Y enable_hdmi : N enable_headphones : N force_bulk : N !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x14152000, ctrlif=1, ctlerr=0 Card: OmniVision Technologies, Inc. USB Camera-B4.09.24.1 at usb-3f980000.usb-1.4, hi Unit: 3 Control: name="Mic Capture Volume", index=0 Info: id=3, control=2, cmask=0xf, channels=4, type="S16" Volume: min=0, max=1, dBmin=0, dBmax=0 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Dec 9 08:42 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Dec 9 06:58 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 24 Dec 9 08:42 /dev/snd/pcmC0D0c crw-rw---- 1 root audio 116, 48 Dec 9 06:58 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 49 Dec 9 06:58 /dev/snd/pcmC1D1p crw-rw---- 1 root audio 116, 50 Dec 9 06:58 /dev/snd/pcmC1D2p crw-rw---- 1 root audio 116, 1 Dec 9 06:58 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Dec 9 06:58 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Dec 9 08:42 . drwxr-xr-x 4 root root 240 Dec 9 08:42 .. lrwxrwxrwx 1 root root 12 Dec 9 08:42 usb-OmniVision_Technologies__Inc._USB_Camera-B4.09.24.1-01 -> ../controlC0 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Dec 9 08:42 . drwxr-xr-x 4 root root 240 Dec 9 08:42 .. lrwxrwxrwx 1 root root 12 Dec 9 08:42 platform-3f980000.usb-usb-0:1.4:1.1 -> ../controlC0 lrwxrwxrwx 1 root root 12 Dec 9 06:58 platform-soc:audio -> ../controlC1 !!ALSA configuration files !!------------------------ !!User specific config file (~/.asoundrc) pcm.!default { type hw card 1 } ctl.!default { type hw card 1 } !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 1: ALSA [bcm2835 ALSA], device 0: bcm2835 ALSA [bcm2835 ALSA] Subdevices: 7/7 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 Subdevice #4: subdevice #4 Subdevice #5: subdevice #5 Subdevice #6: subdevice #6 card 1: ALSA [bcm2835 ALSA], device 1: bcm2835 IEC958/HDMI [bcm2835 IEC958/HDMI] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: ALSA [bcm2835 ALSA], device 2: bcm2835 IEC958/HDMI1 [bcm2835 IEC958/HDMI1] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 0: CameraB409241 [USB Camera-B4.09.24.1], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card 0 [CameraB409241] amixer: Mixer load hw:0 error: Invalid argument Card hw:0 'CameraB409241'/'OmniVision Technologies, Inc. USB Camera-B4.09.24.1 at usb-3f980000.usb-1.4, hi' Mixer name : 'USB Mixer' Components : 'USB1415:2000' Controls : 3 amixer: Mixer hw:0 load error: Invalid argument !!-------Mixer controls for card 1 [ALSA] Card hw:1 'ALSA'/'bcm2835 ALSA' Mixer name : 'Broadcom Mixer' Components : '' Controls : 5 Simple ctrls : 1 Simple mixer control 'PCM',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback -10239 - 400 Mono: Playback -1206 [85%] [-12.06dB] [on] !!Alsactl output !!-------------- --startcollapse-- --endcollapse-- !!All Loaded Modules !!------------------ Module hidp fuse rfcomm bnep hci_uart btbcm serdev bluetooth ecdh_generic sg brcmfmac gspca_ov534 brcmutil gspca_main sha256_generic cfg80211 bcm2835_codec bcm2835_v4l2 v4l2_mem2mem rfkill bcm2835_mmal_vchiq v4l2_common videobuf2_dma_contig videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common raspberrypi_hwmon hwmon snd_bcm2835 videodev media vc_sm_cma joydev evdev cp210x usbserial uas fixed uio_pdrv_genirq uio i2c_dev snd_usb_audio snd_hwdep snd_usbmidi_lib snd_rawmidi snd_seq_device snd_pcm snd_timer snd ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 3.192558] usb 1-1.4: 3:1: cannot get min/max values for control 2 (id 3) [ 3.207848] usbcore: registered new interface driver snd-usb-audio [ 3.215714] usb 1-1.5.1: new high-speed USB device number 6 using dwc_otg -- [ 4.772540] media: Linux media interface: v0.10 [ 4.817016] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 4.845758] bcm2835_audio soc:audio: card created with 8 channels