!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Fri May 4 05:21:09 UTC 2018 !!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: 4.14.37-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.14.37-v7 Library version: 1.1.3 Utilities version: 1.1.3 !!Loaded ALSA modules !!------------------- snd_usb_audio !!Sound Servers on this system !!---------------------------- Jack: Installed - Yes (/usr/bin/jackd) Running - Yes !!Soundcards recognised by ALSA !!----------------------------- 0 [USB ]: USB-Audio - Scarlett 2i4 USB Focusrite Scarlett 2i4 USB at usb-3f980000.usb-1.5, high speed !!Modprobe options (Sound related) !!-------------------------------- snd_pcsp: index=0 snd_usb_audio: index=0 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 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=0x1235800a, ctrlif=0, ctlerr=0 Card: Focusrite Scarlett 2i4 USB at usb-3f980000.usb-1.5, high speed USB Mixer: usb_id=0x1235800a, ctrlif=0, ctlerr=0 Card: Focusrite Scarlett 2i4 USB at usb-3f980000.usb-1.5, high speed Unit: 41 Control: name="Internal Validity", index=0 Info: id=41, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 May 4 04:45 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 8 May 4 04:45 /dev/snd/midiC0D0 crw-rw---- 1 root audio 116, 24 May 4 04:45 /dev/snd/pcmC0D0c crw-rw---- 1 root audio 116, 16 May 4 05:16 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 1 May 4 05:07 /dev/snd/seq crw-rw---- 1 root audio 116, 33 May 4 04:45 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 May 4 04:45 . drwxr-xr-x 4 root root 200 May 4 04:45 .. lrwxrwxrwx 1 root root 12 May 4 04:45 usb-Focusrite_Scarlett_2i4_USB-00 -> ../controlC0 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 May 4 04:45 . drwxr-xr-x 4 root root 200 May 4 04:45 .. lrwxrwxrwx 1 root root 12 May 4 04:45 platform-3f980000.usb-usb-0:1.5:1.0 -> ../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 **** card 0: USB [Scarlett 2i4 USB], device 0: USB Audio [USB Audio] Subdevices: 0/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 0: USB [Scarlett 2i4 USB], device 0: USB Audio [USB Audio] Subdevices: 0/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card 0 [USB] Card hw:0 'USB'/'Focusrite Scarlett 2i4 USB at usb-3f980000.usb-1.5, high speed' Mixer name : 'USB Mixer' Components : 'USB1235:800a' Controls : 3 Simple ctrls : 1 Simple mixer control 'Internal Validity',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] !!Alsactl output !!-------------- --startcollapse-- state.USB { control.1 { iface PCM name 'Playback Channel Map' value.0 3 value.1 4 value.2 7 value.3 8 comment { access read type INTEGER count 4 range '0 - 36' } } control.2 { iface PCM name 'Capture Channel Map' value.0 3 value.1 4 comment { access read type INTEGER count 2 range '0 - 36' } } control.3 { iface MIXER name 'Internal Validity' value true comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module snd_seq_midi snd_seq_dummy snd_seq_midi_event snd_seq fuse rfcomm bnep hci_uart btbcm serdev bluetooth ecdh_generic snd_usb_audio snd_hwdep snd_usbmidi_lib snd_rawmidi snd_seq_device snd_pcm snd_timer snd hid_logitech_hidpp brcmfmac brcmutil cfg80211 rfkill hid_logitech_dj evdev joydev fixed uio_pdrv_genirq uio i2c_dev ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 4.342200] random: crng init done [ 4.439895] usbcore: registered new interface driver snd-usb-audio [ 4.778260] uart-pl011 3f201000.serial: no DMA platform data