!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Thu Dec 15 16:22:57 UTC 2016 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: !!Kernel Information !!------------------ Kernel release: 4.4.34 Operating System: GNU/Linux Architecture: armv6l Processor: unknown SMP Enabled: No !!ALSA Version !!------------ Driver version: k4.4.34 Library version: 1.0.28 Utilities version: 1.0.28 !!Loaded ALSA modules !!------------------- snd_usb_audio !!Sound Servers on this system !!---------------------------- Jack: Installed - Yes (/usr/bin/jackd) Running - No !!Soundcards recognised by ALSA !!----------------------------- 0 [Camera ]: USB-Audio - Camera Camera at usb-20980000.usb-1.2, full speed !!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 : 0,-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=0x046d08f0, ctrlif=1, ctlerr=0 Card: Camera at usb-20980000.usb-1.2, full speed Unit: 2 Control: name="Auto Gain Control", index=0 Info: id=2, control=7, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 2 Control: name="Mic Capture Volume", index=0 Info: id=2, control=2, cmask=0x0, channels=1, type="S16" Volume: min=-14080, max=0, dBmin=-5500, dBmax=0 Unit: 2 Control: name="Mic Capture Switch", index=0 Info: id=2, 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 Dec 15 16:01 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 24 Dec 15 16:01 /dev/snd/pcmC0D0c crw-rw---- 1 root audio 116, 1 Dec 15 13:48 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Dec 15 16:01 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Dec 15 16:01 . drwxr-xr-x 4 root root 160 Dec 15 16:01 .. lrwxrwxrwx 1 root root 12 Dec 15 16:01 usb-046d_Camera-01 -> ../controlC0 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Dec 15 16:01 . drwxr-xr-x 4 root root 160 Dec 15 16:01 .. lrwxrwxrwx 1 root root 12 Dec 15 16:01 platform-20980000.usb-usb-0:1.2:1.1 -> ../controlC0 !!ALSA configuration files !!------------------------ !!User specific config file (~/.asoundrc) pcm.!default { type hw card 0 } ctl.!default { type hw card 0 } !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** ARECORD **** List of CAPTURE Hardware Devices **** card 0: Camera [Camera], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card 0 [Camera] Card hw:0 'Camera'/'Camera at usb-20980000.usb-1.2, full speed' Mixer name : 'USB Mixer' Components : 'USB046d:08f0' Controls : 4 Simple ctrls : 2 Simple mixer control 'Mic',0 Capabilities: cvolume cvolume-joined cswitch cswitch-joined Capture channels: Mono Limits: Capture 0 - 55 Mono: Capture 48 [87%] [-7.00dB] [on] Simple mixer control 'Auto Gain Control',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] !!Alsactl output !!-------------- --startcollapse-- state.Camera { control.1 { iface PCM name 'Capture Channel Map' value 0 comment { access read type INTEGER count 1 range '0 - 36' } } control.2 { iface MIXER name 'Mic Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.3 { iface MIXER name 'Mic Capture Volume' value 48 comment { access 'read write' type INTEGER count 1 range '0 - 55' dbmin -5500 dbmax 0 dbvalue.0 -700 } } control.4 { iface MIXER name 'Auto Gain Control' value true comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module snd_usb_audio snd_hwdep snd_usbmidi_lib snd_rawmidi snd_seq_device snd_pcm snd_timer snd gspca_stv06xx gspca_main v4l2_common videodev media cfg80211 rfkill joydev evdev bcm2835_gpiomem bcm2835_wdt uio_pdrv_genirq uio i2c_dev fuse ipv6 !!ALSA/HDA dmesg !!-------------- [ 530.891894] usbcore: registered new interface driver STV06xx [ 531.076299] usbcore: registered new interface driver snd-usb-audio