!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Tue Jul 25 13:52:02 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 [K0 ]: USB-Audio - Keil USB Audio 0 Keil Software Keil USB Audio 0 at usb-3f980000.usb-1.4, 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=0xc2514504, ctrlif=0, ctlerr=0 Card: Keil Software Keil USB Audio 0 at usb-3f980000.usb-1.4, full speed Unit: 2 Control: name="bdSound_STM32F7 Playback Volume", index=0 Info: id=2, control=2, cmask=0x3, channels=2, type="S16" Volume: min=0, max=100, dBmin=0, dBmax=39 Unit: 2 Control: name="bdSound_STM32F7 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 Unit: 5 Control: name="bdSound_STM32F7 Capture Volume", index=0 Info: id=5, control=2, cmask=0x3, channels=2, type="S16" Volume: min=0, max=100, dBmin=0, dBmax=39 Unit: 5 Control: name="bdSound_STM32F7 Capture Switch", index=0 Info: id=5, 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 Jul 25 13:05 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Jul 25 13:05 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 16 Jul 25 13:06 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 Jul 25 13:05 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 56 Jul 25 13:05 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 48 Jul 25 13:06 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 Jul 25 13:05 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Jul 25 13:05 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Jul 25 13:05 . drwxr-xr-x 4 root root 240 Jul 25 13:05 .. lrwxrwxrwx 1 root root 12 Jul 25 13:05 usb-Keil_Software_Keil_USB_Audio_0_0001A0000000-00 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Jul 25 13:05 . drwxr-xr-x 4 root root 240 Jul 25 13:05 .. lrwxrwxrwx 1 root root 12 Jul 25 13:05 platform-3f980000.usb-usb-0:1.4:1.0 -> ../controlC1 lrwxrwxrwx 1 root root 12 Jul 25 13:05 platform-soc:audio -> ../controlC0 !!ALSA configuration files !!------------------------ !!System wide config file (/etc/asound.conf) pcm.dmixergen { type dmix ipc_key 1006 slave { pcm "hw:1,0" period_time 10000 buffer_time 20000 } } pcm.plugmixer { type plug slave.pcm dmixergen } pcm.plugS2C_ECNR_play { type s2cplay slave.pcm plugmixer } pcm.dsnoopgen { type dsnoop ipc_key 1015 slave { pcm "hw:1,0" period_time 10000 buffer_time 20000 } } pcm.plugsnoop { type plug slave.pcm dsnoopgen } pcm.plugS2C_ECNR_capture { type s2ccapture slave.pcm plugsnoop } pcm.!default{ type asym playback.pcm { type s2cplay slave.pcm plugmixer } capture.pcm { type s2ccapture slave.pcm plugsnoop } } !!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 card 1: K0 [Keil USB Audio 0], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 1: K0 [Keil USB Audio 0], 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 400 [100%] [4.00dB] [on] !!-------Mixer controls for card 1 [K0] Card hw:1 'K0'/'Keil Software Keil USB Audio 0 at usb-3f980000.usb-1.4, full speed' Mixer name : 'USB Mixer' Components : 'USBc251:4504' Controls : 6 Simple ctrls : 1 Simple mixer control 'bdSound_STM32F7',0 Capabilities: pvolume cvolume pswitch pswitch-joined cswitch cswitch-joined Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: Playback 0 - 100 Capture 0 - 100 Front Left: Playback 84 [84%] [0.32dB] [on] Capture 100 [100%] [0.39dB] [on] Front Right: Playback 84 [84%] [0.32dB] [on] Capture 100 [100%] [0.39dB] [on] !!Alsactl output !!-------------- --startcollapse-- 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 } } } state.K0 { control.1 { iface PCM name 'Playback Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.2 { iface PCM name 'Capture Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.3 { iface MIXER name 'bdSound_STM32F7 Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.4 { iface MIXER name 'bdSound_STM32F7 Playback Volume' value.0 84 value.1 84 comment { access 'read write' type INTEGER count 2 range '0 - 100' dbmin 0 dbmax 39 dbvalue.0 32 dbvalue.1 32 } } control.5 { iface MIXER name 'bdSound_STM32F7 Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.6 { iface MIXER name 'bdSound_STM32F7 Capture Volume' value.0 100 value.1 100 comment { access 'read write' type INTEGER count 2 range '0 - 100' dbmin 0 dbmax 39 dbvalue.0 39 dbvalue.1 39 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module binfmt_misc bnep hci_uart btbcm bluetooth brcmfmac brcmutil snd_usb_audio snd_hwdep snd_usbmidi_lib evdev snd_rawmidi snd_seq_device cfg80211 rfkill snd_bcm2835 snd_pcm snd_timer snd bcm2835_gpiomem uio_pdrv_genirq fixed uio i2c_dev fuse ipv6 !!ALSA/HDA dmesg !!-------------- [ 3.993532] usbcore: registered new interface driver brcmfmac [ 4.009734] usbcore: registered new interface driver snd-usb-audio [ 4.126772] brcmfmac: Firmware version = wl0: May 27 2016 00:13:38 version 7.45.41.26 (r640327) FWID 01-df77e4a7