!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Thu Oct 17 07:38:42 UTC 2019 !!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: 4.19.79-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.79-v7 Library version: 1.1.8 Utilities version: 1.1.8 !!Loaded ALSA modules !!------------------- snd_usb_audio !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 1 [PCM2702 ]: USB-Audio - Burr-Brown Japan PCM2702 Burr-Brown Japan Burr-Brown Japan PCM2702 at usb-3f980000.usb-1.3, full speed !!PCI Soundcards installed in the system !!-------------------------------------- !!Advanced information - PCI Vendor/Device/Subsystem ID's !!------------------------------------------------------- !!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_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) use_vmalloc : Y vid : -1,-1,-1,-1,-1,-1,-1,-1 !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x08bb2702, ctrlif=0, ctlerr=1 Card: Burr-Brown Japan Burr-Brown Japan PCM2702 at usb-3f980000.usb-1.3, full speed Unit: 3 Control: name="Master Volume", index=0 Info: id=3, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-32768, max=0, dBmin=-12800, dBmax=0 Unit: 3 Control: name="Master Switch", index=0 Info: id=3, 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, 32 Oct 17 08:17 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 48 Oct 17 08:17 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 Oct 17 08:17 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Oct 17 08:17 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Oct 17 08:17 . drwxr-xr-x 4 root root 160 Oct 17 08:17 .. lrwxrwxrwx 1 root root 12 Oct 17 08:17 usb-Burr-Brown_Japan_Burr-Brown_Japan_PCM2702-00 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Oct 17 08:17 . drwxr-xr-x 4 root root 160 Oct 17 08:17 .. lrwxrwxrwx 1 root root 12 Oct 17 08:17 platform-3f980000.usb-usb-0:1.3:1.0 -> ../controlC1 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 1: PCM2702 [Burr-Brown Japan PCM2702], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** !!Amixer output !!------------- !!-------Mixer controls for card 1 [PCM2702] Card hw:1 'PCM2702'/'Burr-Brown Japan Burr-Brown Japan PCM2702 at usb-3f980000.usb-1.3, full speed' Mixer name : 'USB Mixer' Components : 'USB08bb:2702' Controls : 4 Simple ctrls : 1 Simple mixer control 'Master',0 Capabilities: volume pswitch pswitch-joined Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: 0 - 128 Front Left: 128 [100%] [0.00dB] Playback [on] Front Right: 128 [100%] [0.00dB] Playback [on] !!Alsactl output !!-------------- --startcollapse-- state.PCM2702 { 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 MIXER name 'Master Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.3 { iface MIXER name 'Master Volume' value.0 128 value.1 128 comment { access 'read write' type INTEGER count 2 range '0 - 128' dbmin -12800 dbmax 0 dbvalue.0 0 dbvalue.1 0 } } control.4 { iface CARD name 'Keep Interface' value false comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module 8021q garp stp llc evdev snd_usb_audio snd_hwdep snd_usbmidi_lib snd_rawmidi snd_seq_device raspberrypi_hwmon hwmon bcm2835_v4l2 v4l2_common videobuf2_vmalloc r8188eu lib80211 fixed uio_pdrv_genirq uio sha256_generic cfg80211 rfkill snd_soc_hifiberry_dacplus snd_soc_pcm5102a bcm2835_codec v4l2_mem2mem bcm2835_mmal_vchiq vc_sm_cma videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_common videodev media snd_soc_bcm2835_i2s snd_soc_core snd_compress snd_pcm_dmaengine snd_pcm snd_timer snd ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 6.972454] usb 1-1.3: usbmixer: master volume quirk for PCM2702 chip [ 6.991080] usbcore: registered new interface driver snd-usb-audio [ 8.672330] random: crng init done