!!################################ !!ALSA Information Script v 0.4.65 !!################################ !!Script ran on: Fri May 29 12:07:45 UTC 2020 !!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: 4.19.97-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.97-v7 Library version: 1.1.8 Utilities version: 1.1.8 !!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 [Device ]: USB-Audio - USB Advanced Audio Device C-Media Electronics Inc. USB Advanced Audio Device at usb-3f980000.usb-1.2.4, f !!PCI Soundcards installed in the system !!-------------------------------------- !!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=0x0b0517a0, ctrlif=0, ctlerr=0 Card: C-Media Electronics Inc. USB Advanced Audio Device at usb-3f980000.usb-1.2.4, f Unit: 0 Control: name="Digital Playback Switch", index=0 Unit: 8 Control: name="PCM Capture Source", index=0 Info: id=8, control=0, cmask=0x0, channels=1, type="U8" Volume: min=1, max=3, dBmin=0, dBmax=0 Unit: 9 Control: name="Loudness", index=0 Info: id=9, control=10, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 9 Control: name="PCM Playback Volume", index=0 Info: id=9, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-9472, max=0, dBmin=-3700, dBmax=0 Unit: 9 Control: name="PCM Playback Switch", index=0 Info: id=9, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 10 Control: name="Mic Capture Volume", index=0 Info: id=10, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-4096, max=2816, dBmin=-1600, dBmax=1100 Unit: 10 Control: name="Mic Capture Switch", index=0 Info: id=10, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 11 Control: name="Line Capture Volume", index=0 Info: id=11, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-4096, max=2816, dBmin=-1600, dBmax=1100 Unit: 11 Control: name="Line Capture Switch", index=0 Info: id=11, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 12 Control: name="IEC958 In Capture Switch", index=0 Info: id=12, 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 May 25 00:49 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 May 25 00:49 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 16 May 25 00:49 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 May 25 00:49 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 18 May 25 00:49 /dev/snd/pcmC0D2p crw-rw---- 1 root audio 116, 56 May 25 00:49 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 48 May 25 00:49 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 May 25 00:49 /dev/snd/seq crw-rw---- 1 root audio 116, 33 May 25 00:49 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 May 25 00:49 . drwxr-xr-x 4 root root 260 May 25 00:49 .. lrwxrwxrwx 1 root root 12 May 25 00:49 usb-C-Media_Electronics_Inc._USB_Advanced_Audio_Device-00 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 May 25 00:49 . drwxr-xr-x 4 root root 260 May 25 00:49 .. lrwxrwxrwx 1 root root 12 May 25 00:49 platform-3f980000.usb-usb-0:1.2.4:1.0 -> ../controlC1 lrwxrwxrwx 1 root root 12 May 25 00:49 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 IEC958/HDMI [bcm2835 IEC958/HDMI] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: ALSA [bcm2835 ALSA], device 2: bcm2835 IEC958/HDMI1 [bcm2835 IEC958/HDMI1] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: Device [USB Advanced Audio Device], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 1: Device [USB Advanced Audio Device], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card ALSA Card hw:0 'ALSA'/'bcm2835 ALSA' Mixer name : 'Broadcom Mixer' Components : '' Controls : 5 Simple ctrls : 1 Simple mixer control 'PCM',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback -10239 - 400 Mono: Playback 95 [97%] [0.95dB] [on] !!-------Mixer controls for card Device Card hw:1 'Device'/'C-Media Electronics Inc. USB Advanced Audio Device at usb-3f980000.usb-1.2.4, f' Mixer name : 'USB Mixer' Components : 'USB0b05:17a0' Controls : 13 Simple ctrls : 7 Simple mixer control 'PCM',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 37 Mono: Front Left: Playback 31 [84%] [-6.00dB] [on] Front Right: Playback 31 [84%] [-6.00dB] [on] Simple mixer control 'PCM Capture Source',0 Capabilities: enum Items: 'Mic' 'Line' 'IEC958 In' Item0: 'Mic' Simple mixer control 'Line',0 Capabilities: cvolume cswitch cswitch-joined Capture channels: Front Left - Front Right Limits: Capture 0 - 27 Front Left: Capture 5 [19%] [-11.00dB] [on] Front Right: Capture 5 [19%] [-11.00dB] [on] Simple mixer control 'Mic',0 Capabilities: cvolume cswitch cswitch-joined Capture channels: Front Left - Front Right Limits: Capture 0 - 27 Front Left: Capture 5 [19%] [-11.00dB] [on] Front Right: Capture 5 [19%] [-11.00dB] [on] Simple mixer control 'IEC958 In',0 Capabilities: cswitch cswitch-joined Capture channels: Mono Mono: Capture [on] Simple mixer control 'Digital',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'Loudness',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] !!Alsactl output !!-------------- --startcollapse-- state.ALSA { control.1 { iface MIXER name 'PCM Playback Volume' value 95 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 95 } } 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 - 3' } } 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 } } } state.Device { 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 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.4 { iface MIXER name 'PCM Playback Volume' value.0 31 value.1 31 comment { access 'read write' type INTEGER count 2 range '0 - 37' dbmin -3700 dbmax 0 dbvalue.0 -600 dbvalue.1 -600 } } control.5 { iface MIXER name Loudness value false comment { access 'read write' type BOOLEAN count 1 } } control.6 { iface MIXER name 'Mic Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.7 { iface MIXER name 'Mic Capture Volume' value.0 5 value.1 5 comment { access 'read write' type INTEGER count 2 range '0 - 27' dbmin -1600 dbmax 1100 dbvalue.0 -1100 dbvalue.1 -1100 } } control.8 { iface MIXER name 'Line Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.9 { iface MIXER name 'Line Capture Volume' value.0 5 value.1 5 comment { access 'read write' type INTEGER count 2 range '0 - 27' dbmin -1600 dbmax 1100 dbvalue.0 -1100 dbvalue.1 -1100 } } control.10 { iface MIXER name 'IEC958 In Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.11 { iface MIXER name 'PCM Capture Source' value Mic comment { access 'read write' type ENUMERATED count 1 item.0 Mic item.1 Line item.2 'IEC958 In' } } control.12 { iface CARD name 'Keep Interface' value false comment { access 'read write' type BOOLEAN count 1 } } control.13 { iface MIXER name 'Digital Playback Switch' value false comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ 8021q bcm2835_codec bcm2835_mmal_vchiq bcm2835_v4l2 bluetooth bnep brcmfmac brcmutil btbcm cfg80211 ecdh_generic evdev fixed fuse garp hci_uart hid_multitouch hwmon i2c_dev ip_tables ipv6 joydev llc media raspberrypi_hwmon rfcomm rfkill serdev sha256_generic snd snd_bcm2835 snd_hwdep snd_pcm snd_rawmidi snd_seq_device snd_timer snd_usb_audio snd_usbmidi_lib stp uio uio_pdrv_genirq v4l2_common v4l2_mem2mem vc_sm_cma videobuf2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev x_tables !!ALSA/HDA dmesg !!-------------- [ 3.807287] systemd-journald[108]: Received request to flush runtime journal from PID 1 [ 4.535561] usbcore: registered new interface driver snd-usb-audio [ 4.749619] random: crng init done -- [ 4.938281] bcm2835_codec: module is from the staging directory, the quality is unknown, you have been warned. [ 4.942495] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 4.953966] bcm2835-codec bcm2835-codec: Device registered as /dev/video10 !!Packages installed !!-------------------- ii alsa-utils 1.1.8-2 armhf Utilities for configuring and using ALSA