!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Sat Jul 6 01:31:35 UTC 2019 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: !!Kernel Information !!------------------ Kernel release: 4.19.42-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.42-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 [C110 ]: USB-Audio - Webcam C110 Webcam C110 at usb-3f980000.usb-1.5, 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) use_vmalloc : Y vid : -1,-1,-1,-1,-1,-1,-1,-1 !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x046d0829, ctrlif=2, ctlerr=0 Card: Webcam C110 at usb-3f980000.usb-1.5, high speed --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Jul 5 13:17 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Jul 5 17:10 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 16 Jul 5 13:17 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 Jul 5 13:17 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 56 Jul 5 17:10 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 1 Jul 5 13:17 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Jul 5 13:17 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Jul 5 17:10 . drwxr-xr-x 4 root root 220 Jul 5 17:10 .. lrwxrwxrwx 1 root root 12 Jul 5 17:10 usb-_Webcam_C110-02 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Jul 5 17:10 . drwxr-xr-x 4 root root 220 Jul 5 17:10 .. lrwxrwxrwx 1 root root 12 Jul 5 17:10 platform-3f980000.usb-usb-0:1.5:1.2 -> ../controlC1 lrwxrwxrwx 1 root root 12 Jul 5 13:17 platform-soc:audio -> ../controlC0 !!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 IEC958/HDMI [bcm2835 IEC958/HDMI] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 1: C110 [Webcam C110], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card 0 [ALSA] Card hw:0 'ALSA'/'bcm2835 ALSA' Mixer name : 'Broadcom Mixer' Components : '' Controls : 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 -2000 [77%] [-20.00dB] [on] !!-------Mixer controls for card 1 [C110] Card hw:1 'C110'/'Webcam C110 at usb-3f980000.usb-1.5, high speed' Mixer name : 'USB Mixer' Components : 'USB046d:0829' Controls : 2 Simple ctrls : 0 !!Alsactl output !!-------------- --startcollapse-- state.ALSA { control.1 { iface MIXER name 'PCM Playback Volume' value -2000 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 -2000 } } control.2 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.3 { iface MIXER name 'PCM Playback Route' value 0 comment { access 'read write' type INTEGER count 1 range '0 - 2' } } control.4 { iface PCM name 'IEC958 Playback Default' value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read write' type IEC958 count 1 } } control.5 { iface PCM name 'IEC958 Playback Con Mask' value '0200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access read type IEC958 count 1 } } } state.C110 { control.1 { iface PCM name 'Capture Channel Map' value 0 comment { access read type INTEGER count 1 range '0 - 36' } } control.2 { iface CARD name 'Keep Interface' value false comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module evdev snd_usb_audio snd_hwdep snd_usbmidi_lib snd_rawmidi snd_seq_device uvcvideo fuse rfcomm bnep hci_uart btbcm serdev bluetooth ecdh_generic bridge stp llc brcmfmac brcmutil sha256_generic cfg80211 bcm2835_codec rfkill bcm2835_v4l2 v4l2_mem2mem v4l2_common bcm2835_mmal_vchiq videobuf2_vmalloc videobuf2_dma_contig snd_bcm2835 videobuf2_memops videobuf2_v4l2 videobuf2_common snd_pcm raspberrypi_hwmon hwmon snd_timer snd videodev media vc_sm_cma uio_pdrv_genirq uio fixed i2c_dev ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 3.697014] videodev: Linux video capture interface: v2.00 [ 3.735425] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 3.747301] bcm2835_audio soc:audio: card created with 8 channels -- [ 4885.382079] USB Video Class driver (1.1.1) [ 4885.421750] usbcore: registered new interface driver snd-usb-audio [ 9765.351234] usb 1-1.5: reset high-speed USB device number 4 using dwc_otg