!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Sun May 12 22:03:51 UTC 2019 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: !!Kernel Information !!------------------ Kernel release: 4.14.98 Operating System: GNU/Linux Architecture: armv6l Processor: unknown SMP Enabled: No !!ALSA Version !!------------ Driver version: k4.14.98 Library version: 1.1.3 Utilities version: 1.1.3 !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_usb_audio 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 [Device ]: USB-Audio - USB2.0 Device Generic USB2.0 Device at usb-20980000.usb-1.2, full speed 2 [CameraB409241 ]: USB-Audio - USB Camera-B4.09.24.1 OmniVision Technologies, Inc. USB Camera-B4.09.24.1 at usb-20980000.usb-1.4, hi !!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 !!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=0x19082070, ctrlif=0, ctlerr=0 Card: Generic USB2.0 Device at usb-20980000.usb-1.2, full speed Unit: 2 Control: name="PCM Playback Volume", index=0 Info: id=2, control=2, cmask=0x0, channels=1, type="S16" Volume: min=-32768, max=-32513, dBmin=-12800, dBmax=-12700 Unit: 2 Control: name="PCM Playback Switch", index=0 Info: id=2, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 USB Mixer: usb_id=0x14152000, ctrlif=1, ctlerr=0 Card: OmniVision Technologies, Inc. USB Camera-B4.09.24.1 at usb-20980000.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 May 12 23:56 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 May 12 23:56 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 64 May 12 23:56 /dev/snd/controlC2 crw-rw---- 1 root audio 116, 16 May 12 23:56 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 May 12 23:56 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 48 May 13 00:03 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 88 May 12 23:56 /dev/snd/pcmC2D0c crw-rw---- 1 root audio 116, 1 May 12 23:56 /dev/snd/seq crw-rw---- 1 root audio 116, 33 May 12 23:56 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 80 May 12 23:56 . drwxr-xr-x 4 root root 260 May 12 23:56 .. lrwxrwxrwx 1 root root 12 May 12 23:56 usb-Generic_USB2.0_Device_20130100ph0-00 -> ../controlC1 lrwxrwxrwx 1 root root 12 May 12 23:56 usb-OmniVision_Technologies__Inc._USB_Camera-B4.09.24.1-01 -> ../controlC2 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 100 May 12 23:56 . drwxr-xr-x 4 root root 260 May 12 23:56 .. lrwxrwxrwx 1 root root 12 May 12 23:56 platform-20980000.usb-usb-0:1.2:1.0 -> ../controlC1 lrwxrwxrwx 1 root root 12 May 12 23:56 platform-20980000.usb-usb-0:1.4:1.1 -> ../controlC2 lrwxrwxrwx 1 root root 12 May 12 23:56 platform-soc:audio -> ../controlC0 !!ALSA configuration files !!------------------------ !!System wide config file (/etc/asound.conf) pcm.!default { type asym playback.pcm { type plug slave.pcm "hw:1,0" } capture.pcm { type plug slave.pcm "hw:2,0" } } !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: 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 0: ALSA [bcm2835 ALSA], device 1: bcm2835 ALSA [bcm2835 IEC958/HDMI] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: Device [USB2.0 Device], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 2: CameraB409241 [USB Camera-B4.09.24.1], device 0: USB Audio [USB Audio] Subdevices: 0/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card 0 [ALSA] Card hw:0 'ALSA'/'bcm2835 ALSA' Mixer name : 'Broadcom Mixer' Components : '' Controls : 6 Simple ctrls : 1 Simple mixer control 'PCM',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback -10239 - 400 Mono: Playback 400 [100%] [4.00dB] [on] !!-------Mixer controls for card 1 [Device] Card hw:1 'Device'/'Generic USB2.0 Device at usb-20980000.usb-1.2, full speed' Mixer name : 'USB Mixer' Components : 'USB1908:2070' Controls : 3 Simple ctrls : 1 Simple mixer control 'PCM',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback 0 - 255 Mono: Playback 255 [100%] [-127.00dB] [on] !!-------Mixer controls for card 2 [CameraB409241] amixer: Mixer load hw:2 error: Invalid argument Card hw:2 'CameraB409241'/'OmniVision Technologies, Inc. USB Camera-B4.09.24.1 at usb-20980000.usb-1.4, hi' Mixer name : 'USB Mixer' Components : 'USB1415:2000' Controls : 2 amixer: Mixer hw:2 load error: Invalid argument !!Alsactl output !!-------------- --startcollapse-- --endcollapse-- !!All Loaded Modules !!------------------ Module fuse rfcomm cmac bnep hci_uart btbcm serdev bluetooth ecdh_generic gspca_ov534 gspca_main v4l2_common videodev media snd_usb_audio snd_hwdep snd_usbmidi_lib snd_rawmidi snd_seq_device brcmfmac brcmutil snd_bcm2835 snd_pcm snd_timer cfg80211 snd rfkill uio_pdrv_genirq uio fixed i2c_dev ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 6.175628] systemd-journald[66]: Received request to flush runtime journal from PID 1 [ 9.425120] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 9.604039] bcm2835_alsa bcm2835_alsa: card created with 8 channels -- [ 13.666210] usb 1-1.4: 3:1: cannot get min/max values for control 2 (id 3) [ 13.887202] usbcore: registered new interface driver snd-usb-audio [ 14.768023] uart-pl011 20201000.serial: no DMA platform data