!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Tue Aug 15 04:22:16 UTC 2017 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: !!Kernel Information !!------------------ Kernel release: 4.9.35-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.9.35-v7 Library version: 1.0.28 Utilities version: 1.0.28 !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_usb_audio !!Sound Servers on this system !!---------------------------- Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - No Jack: Installed - Yes (/usr/bin/jackd) Running - No !!Soundcards recognised by ALSA !!----------------------------- 0 [ALSA ]: bcm2835 - bcm2835 ALSA bcm2835 ALSA 1 [Device ]: USB-Audio - USB PnP Audio Device USB PnP Audio Device at usb-3f980000.usb-1.2, full 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 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 !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x0c76161e, ctrlif=0, ctlerr=0 Card: USB PnP Audio Device at usb-3f980000.usb-1.2, full speed Unit: 50 Control: name="Mic Capture Volume", index=0 Info: id=50, control=2, cmask=0x0, channels=1, type="S16" Volume: min=0, max=7936, dBmin=0, dBmax=3100 Unit: 50 Control: name="Mic Capture Switch", index=0 Info: id=50, 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 Aug 15 04:02 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Aug 15 04:03 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 16 Aug 15 04:18 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 Aug 15 04:02 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 56 Aug 15 04:03 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 1 Aug 15 04:02 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Aug 15 04:02 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Aug 15 04:03 . drwxr-xr-x 4 root root 220 Aug 15 04:03 .. lrwxrwxrwx 1 root root 12 Aug 15 04:03 usb-0c76_USB_PnP_Audio_Device-00 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Aug 15 04:03 . drwxr-xr-x 4 root root 220 Aug 15 04:03 .. lrwxrwxrwx 1 root root 12 Aug 15 04:03 platform-3f980000.usb-usb-0:1.2:1.0 -> ../controlC1 lrwxrwxrwx 1 root root 12 Aug 15 04:02 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: 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 0: ALSA [bcm2835 ALSA], device 1: bcm2835 ALSA [bcm2835 IEC958/HDMI] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 1: Device [USB PnP Audio Device], 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 : 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 -334 [93%] [-3.34dB] [on] !!-------Mixer controls for card 1 [Device] Card hw:1 'Device'/'USB PnP Audio Device at usb-3f980000.usb-1.2, full speed' Mixer name : 'USB Mixer' Components : 'USB0c76:161e' Controls : 3 Simple ctrls : 1 Simple mixer control 'Mic',0 Capabilities: cvolume cvolume-joined cswitch cswitch-joined Capture channels: Mono Limits: Capture 0 - 496 Mono: Capture 408 [82%] [25.50dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.ALSA { control.1 { iface MIXER name 'PCM Playback Volume' value -334 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 -334 } } 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 } } } state.Device { 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 408 comment { access 'read write' type INTEGER count 1 range '0 - 496' dbmin 0 dbmax 3100 dbvalue.0 2550 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module snd_usb_audio snd_hwdep snd_usbmidi_lib snd_rawmidi snd_seq_device bnep hci_uart btbcm bluetooth brcmfmac brcmutil cfg80211 rfkill evdev joydev snd_bcm2835 bcm2835_gpiomem snd_pcm snd_timer snd uio_pdrv_genirq uio fixed i2c_dev fuse ipv6 !!ALSA/HDA dmesg !!-------------- [ 55.134493] usb 1-1.2: [50] FU [Mic Capture Volume] ch = 1, val = 0/7936/16 [ 55.135337] usbcore: registered new interface driver snd-usb-audio [ 79.157414] usb 1-1.5: new low-speed USB device number 7 using dwc_otg