!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Wed Feb 22 12:06:05 UTC 2017 !!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: 4.4.34-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.4.34-v7 Library version: 1.0.28 Utilities version: 1.0.28 !!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 [CAMERA ]: USB-Audio - USB2.0 PC CAMERA ARKMICRO USB2.0 PC CAMERA at usb-3f980000.usb-1.4, high speed 1 [ALSA ]: bcm2835 - bcm2835 ALSA bcm2835 ALSA !!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 snd_usb_audio: index=0 snd_bcm2835: index=1 !!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 !!Module: snd_bcm2835 force_bulk : N !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x18ec3399, ctrlif=2, ctlerr=0 Card: ARKMICRO USB2.0 PC CAMERA at usb-3f980000.usb-1.4, high speed Unit: 2 Control: name="Mic Capture Volume", index=0 Info: id=2, control=2, cmask=0x3, channels=2, type="S16" Volume: min=384, max=12287, dBmin=150, dBmax=4799 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 Feb 22 16:18 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Feb 22 16:18 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 24 Feb 22 16:18 /dev/snd/pcmC0D0c crw-rw---- 1 root audio 116, 48 Feb 22 16:18 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 49 Feb 22 16:18 /dev/snd/pcmC1D1p crw-rw---- 1 root audio 116, 1 Feb 22 16:18 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Feb 22 16:18 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Feb 22 16:18 . drwxr-xr-x 4 root root 220 Feb 22 16:18 .. lrwxrwxrwx 1 root root 12 Feb 22 16:18 usb-ARKMICRO_USB2.0_PC_CAMERA-02 -> ../controlC0 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Feb 22 16:18 . drwxr-xr-x 4 root root 220 Feb 22 16:18 .. lrwxrwxrwx 1 root root 12 Feb 22 16:18 platform-3f980000.usb-usb-0:1.4:1.2 -> ../controlC0 !!ALSA configuration files !!------------------------ !!User specific config file (~/.asoundrc) pcm.!default { type hw card 1 } ctl.!default { type hw card 1 } !!System wide config file (/etc/asound.conf) 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: 8/8 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 Subdevice #7: subdevice #7 card 1: ALSA [bcm2835 ALSA], device 1: bcm2835 ALSA [bcm2835 IEC958/HDMI] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 0: CAMERA [USB2.0 PC 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'/'ARKMICRO USB2.0 PC CAMERA at usb-3f980000.usb-1.4, high speed' Mixer name : 'USB Mixer' Components : 'USB18ec:3399' Controls : 3 Simple ctrls : 1 Simple mixer control 'Mic',0 Capabilities: cvolume cswitch Capture channels: Front Left - Front Right Limits: Capture 0 - 11903 Front Left: Capture 10752 [90%] [43.49dB] [on] Front Right: Capture 10752 [90%] [43.49dB] [on] !!-------Mixer controls for card 1 [ALSA] Card hw:1 '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] !!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.0 true value.1 true comment { access 'read write' type BOOLEAN count 2 } } control.3 { iface MIXER name 'Mic Capture Volume' value.0 10752 value.1 10752 comment { access 'read write' type INTEGER count 2 range '0 - 11903' dbmin 150 dbmax 4799 dbvalue.0 4349 dbvalue.1 4349 } } } state.ALSA { control.1 { iface MIXER name 'PCM Playback Volume' value 400 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 400 } } 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 1 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 } } control.6 { iface PCM name 'IEC958 Playback PCM Stream' value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read write inactive' type IEC958 count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module sha256_generic hmac drbg ctr ccm arc4 mt7601u mac80211 cfg80211 rfkill evdev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core snd_usb_audio v4l2_common snd_hwdep snd_usbmidi_lib snd_rawmidi videodev snd_seq_device media snd_bcm2835 bcm2835_wdt snd_pcm snd_timer snd bcm2835_gpiomem spi_bcm2835 i2c_bcm2708 w1_gpio wire cn uio_pdrv_genirq uio i2c_dev fuse ipv6 !!ALSA/HDA dmesg !!-------------- [ 18.162834] bcm2835-wdt 3f100000.watchdog: Broadcom BCM2835 watchdog timer [ 18.180333] snd_bcm2835: unknown parameter 'index' ignored [ 18.326972] media: Linux media interface: v0.10 -- [ 18.476725] usb 1-1.4: [2] FU [Mic Capture Volume] ch = 2, val = 384/12287/1 [ 18.490890] usbcore: registered new interface driver snd-usb-audio [ 18.626285] uvcvideo: Found UVC 1.00 device USB2.0 PC CAMERA (18ec:3399)