!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Thu Mar 28 19:55:04 UTC 2019 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: !!Kernel Information !!------------------ Kernel release: 4.19.30-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.30-v7 Library version: 1.1.3 Utilities version: 1.1.3 !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_usb_audio !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [ALSA ]: bcm2835_alsa - bcm2835 ALSA bcm2835 ALSA 1 [UMC1820 ]: USB-Audio - UMC1820 BEHRINGER UMC1820 at usb-3f980000.usb-1.3, high 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 enable_compat_alsa : Y enable_hdmi : N enable_headphones : N 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) use_vmalloc : Y vid : -1,-1,-1,-1,-1,-1,-1,-1 !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x13970503, ctrlif=0, ctlerr=0 Card: BEHRINGER UMC1820 at usb-3f980000.usb-1.3, high speed USB Mixer: usb_id=0x13970503, ctrlif=0, ctlerr=0 Card: BEHRINGER UMC1820 at usb-3f980000.usb-1.3, high speed Unit: 10 Control: name="UMC1820 Output Playback Volume", index=1 Info: id=10, control=2, cmask=0x0, channels=1, type="S16" Volume: min=-32512, max=0, dBmin=-12700, dBmax=0 Unit: 10 Control: name="UMC1820 Output Playback Volume", index=0 Info: id=10, control=2, cmask=0xfff, channels=12, type="S16" Volume: min=-32512, max=0, dBmin=-12700, dBmax=0 Unit: 10 Control: name="UMC1820 Output Playback Switch", index=1 Info: id=10, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 10 Control: name="UMC1820 Output Playback Switch", index=0 Info: id=10, control=1, cmask=0xfff, channels=12, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 11 Control: name="Mic Capture Volume", index=1 Info: id=11, control=2, cmask=0x0, channels=1, type="S16" Volume: min=-32512, max=0, dBmin=-12700, dBmax=0 Unit: 11 Control: name="Mic Capture Volume", index=0 Info: id=11, control=2, cmask=0x3ff, channels=10, type="S16" Volume: min=-32512, max=0, dBmin=-12700, dBmax=0 Unit: 11 Control: name="Mic Capture Switch", index=1 Info: id=11, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 11 Control: name="Mic Capture Switch", index=0 Info: id=11, control=1, cmask=0x3ff, channels=10, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 40 Control: name="UMC1820 Clock Selector Clock Source", index=0 Info: id=40, control=1, cmask=0x0, channels=1, type="U8" Volume: min=1, max=2, dBmin=0, dBmax=0 Unit: 41 Control: name="Internal Clock Validity", index=0 Info: id=41, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 42 Control: name="Optical In SPDIF Validity", index=0 Info: id=42, 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 Mar 28 19:30 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Mar 28 20:51 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 40 Mar 28 20:51 /dev/snd/midiC1D0 crw-rw---- 1 root audio 116, 16 Mar 28 19:30 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 Mar 28 19:30 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 56 Mar 28 20:51 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 48 Mar 28 20:51 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 Mar 28 19:30 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Mar 28 19:30 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Mar 28 20:51 . drwxr-xr-x 4 root root 260 Mar 28 20:51 .. lrwxrwxrwx 1 root root 12 Mar 28 20:51 usb-BEHRINGER_UMC1820_230F05C2-00 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Mar 28 20:51 . drwxr-xr-x 4 root root 260 Mar 28 20:51 .. lrwxrwxrwx 1 root root 12 Mar 28 20:51 platform-3f980000.usb-usb-0:1.3:1.0 -> ../controlC1 lrwxrwxrwx 1 root root 12 Mar 28 19:30 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: 7/7 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 card 0: ALSA [bcm2835 ALSA], device 1: bcm2835 ALSA [bcm2835 IEC958/HDMI] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: UMC1820 [UMC1820], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 1: UMC1820 [UMC1820], 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 -2000 [77%] [-20.00dB] [on] !!-------Mixer controls for card 1 [UMC1820] Card hw:1 'UMC1820'/'BEHRINGER UMC1820 at usb-3f980000.usb-1.3, high speed' Mixer name : 'USB Mixer' Components : 'USB1397:0503' Controls : 14 Simple ctrls : 5 Simple mixer control 'Mic',0 Capabilities: cvolume cswitch Capture channels: Front Left - Front Right - Rear Left - Rear Right - Front Center - Woofer - Side Left - Side Right - Rear Center - ? Limits: Capture 0 - 127 Front Left: Capture 127 [100%] [0.00dB] [on] Front Right: Capture 127 [100%] [0.00dB] [on] Rear Left: Capture 127 [100%] [0.00dB] [on] Rear Right: Capture 127 [100%] [0.00dB] [on] Front Center: Capture 127 [100%] [0.00dB] [on] Woofer: Capture 127 [100%] [0.00dB] [on] Side Left: Capture 127 [100%] [0.00dB] [on] Side Right: Capture 127 [100%] [0.00dB] [on] Rear Center: Capture 127 [100%] [0.00dB] [on] ?: Capture 127 [100%] [0.00dB] [on] Simple mixer control 'Mic',1 Capabilities: cvolume cvolume-joined cswitch cswitch-joined Capture channels: Mono Limits: Capture 0 - 127 Mono: Capture 127 [100%] [0.00dB] [on] Simple mixer control 'UMC1820 Clock Selector Clock Source',0 Capabilities: enum Items: 'Internal Clock' 'Optical In SPDIF' Item0: 'Internal Clock' Simple mixer control 'UMC1820 Output',0 Capabilities: pvolume pswitch Playback channels: Front Left - Front Right - Rear Left - Rear Right - Front Center - Woofer - Side Left - Side Right - Rear Center - ? - ? - ? Limits: Playback 0 - 127 Mono: Front Left: Playback 111 [87%] [-16.00dB] [on] Front Right: Playback 111 [87%] [-16.00dB] [on] Rear Left: Playback 127 [100%] [0.00dB] [on] Rear Right: Playback 127 [100%] [0.00dB] [on] Front Center: Playback 127 [100%] [0.00dB] [on] Woofer: Playback 127 [100%] [0.00dB] [on] Side Left: Playback 127 [100%] [0.00dB] [on] Side Right: Playback 127 [100%] [0.00dB] [on] Rear Center: Playback 127 [100%] [0.00dB] [on] ?: Playback 127 [100%] [0.00dB] [on] ?: Playback 127 [100%] [0.00dB] [on] ?: Playback 127 [100%] [0.00dB] [on] Simple mixer control 'UMC1820 Output',1 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback 0 - 127 Mono: Playback 127 [100%] [0.00dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.ALSA { control.1 { iface MIXER name 'PCM Playback Volume' value -2000 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 -2000 } } 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 0 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.UMC1820 { control.1 { iface PCM name 'Playback Channel Map' value.0 0 value.1 0 value.2 0 value.3 0 value.4 0 value.5 0 value.6 0 value.7 0 value.8 0 value.9 0 value.10 0 value.11 0 comment { access read type INTEGER count 12 range '0 - 36' } } control.2 { iface PCM name 'Capture Channel Map' value.0 0 value.1 0 value.2 0 value.3 0 value.4 0 value.5 0 value.6 0 value.7 0 value.8 0 value.9 0 comment { access read type INTEGER count 10 range '0 - 36' } } control.3 { iface MIXER name 'UMC1820 Output Playback Switch' value.0 true value.1 true value.2 true value.3 true value.4 true value.5 true value.6 true value.7 true value.8 true value.9 true value.10 true value.11 true comment { access 'read write' type BOOLEAN count 12 } } control.4 { iface MIXER name 'UMC1820 Output Playback Switch' index 1 value true comment { access 'read write' type BOOLEAN count 1 } } control.5 { iface MIXER name 'UMC1820 Output Playback Volume' value.0 111 value.1 111 value.2 127 value.3 127 value.4 127 value.5 127 value.6 127 value.7 127 value.8 127 value.9 127 value.10 127 value.11 127 comment { access 'read write' type INTEGER count 12 range '0 - 127' dbmin -12700 dbmax 0 dbvalue.0 -1600 dbvalue.1 -1600 dbvalue.2 0 dbvalue.3 0 dbvalue.4 0 dbvalue.5 0 dbvalue.6 0 dbvalue.7 0 dbvalue.8 0 dbvalue.9 0 dbvalue.10 0 dbvalue.11 0 } } control.6 { iface MIXER name 'UMC1820 Output Playback Volume' index 1 value 127 comment { access 'read write' type INTEGER count 1 range '0 - 127' dbmin -12700 dbmax 0 dbvalue.0 0 } } control.7 { iface CARD name 'Internal Clock Validity' value true comment { access read type BOOLEAN count 1 } } control.8 { iface CARD name 'Optical In SPDIF Validity' value false comment { access read type BOOLEAN count 1 } } control.9 { iface MIXER name 'UMC1820 Clock Selector Clock Source' value 'Internal Clock' comment { access 'read write' type ENUMERATED count 1 item.0 'Internal Clock' item.1 'Optical In SPDIF' } } control.10 { iface MIXER name 'Mic Capture Switch' value.0 true value.1 true value.2 true value.3 true value.4 true value.5 true value.6 true value.7 true value.8 true value.9 true comment { access 'read write' type BOOLEAN count 10 } } control.11 { iface MIXER name 'Mic Capture Switch' index 1 value true comment { access 'read write' type BOOLEAN count 1 } } control.12 { iface MIXER name 'Mic Capture Volume' value.0 127 value.1 127 value.2 127 value.3 127 value.4 127 value.5 127 value.6 127 value.7 127 value.8 127 value.9 127 comment { access 'read write' type INTEGER count 10 range '0 - 127' dbmin -12700 dbmax 0 dbvalue.0 0 dbvalue.1 0 dbvalue.2 0 dbvalue.3 0 dbvalue.4 0 dbvalue.5 0 dbvalue.6 0 dbvalue.7 0 dbvalue.8 0 dbvalue.9 0 } } control.13 { iface MIXER name 'Mic Capture Volume' index 1 value 127 comment { access 'read write' type INTEGER count 1 range '0 - 127' dbmin -12700 dbmax 0 dbvalue.0 0 } } control.14 { iface CARD name 'Keep Interface' value false comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module snd_usb_audio snd_hwdep snd_usbmidi_lib snd_rawmidi snd_seq_device sha256_generic cfg80211 rfkill bcm2835_codec snd_bcm2835 bcm2835_v4l2 v4l2_mem2mem snd_pcm bcm2835_mmal_vchiq v4l2_common videobuf2_dma_contig snd_timer videobuf2_vmalloc videobuf2_memops raspberrypi_hwmon snd hwmon videobuf2_v4l2 videobuf2_common videodev media vc_sm_cma fixed uio_pdrv_genirq uio ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 5.335453] bcm2835_v4l2: module is from the staging directory, the quality is unknown, you have been warned. [ 5.344191] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 5.357132] bcm2835_alsa bcm2835_alsa: card created with 8 channels -- [ 4885.419536] usb 1-1.3: SerialNumber: 230F05C2 [ 4886.398551] usbcore: registered new interface driver snd-usb-audio