!!################################ !!ALSA Information Script v 0.4.65 !!################################ !!Script ran on: Sat Oct 3 20:32:56 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: 5.4.51 Operating System: GNU/Linux Architecture: armv6l Processor: unknown SMP Enabled: No !!ALSA Version !!------------ Driver version: k5.4.51 Library version: 1.1.8 Utilities version: 1.1.8 !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_usb_audio !!Sound Servers on this system !!---------------------------- Jack: Installed - Yes (/usr/bin/jackd) Running - No !!Soundcards recognised by ALSA !!----------------------------- 0 [Headphones ]: bcm2835_headphonbcm2835 Headphones - bcm2835 Headphones bcm2835 Headphones 1 [C520M ]: USB-Audio - Plantronics C520-M Plantronics Plantronics C520-M at usb-20980000.usb-1, full speed !!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 snd_bcm2835: enable_compat_alsa=0 snd_bcm2835: enable_hdmi=1 snd_bcm2835: enable_headphones=1 !!Loaded sound module options !!--------------------------- !!Module: snd_bcm2835 enable_compat_alsa : N enable_hdmi : Y enable_headphones : Y 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=0x047fc01c, ctrlif=0, ctlerr=0 Card: Plantronics Plantronics C520-M at usb-20980000.usb-1, full speed Unit: 2 Control: name="Headset Capture Volume", index=0 Info: id=2, control=2, cmask=0x0, channels=1, type="S16" Volume: min=256, max=1280, dBmin=100, dBmax=500 Unit: 2 Control: name="Headset Capture 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="Headset Playback Volume", index=0 Info: id=5, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-13568, max=-1280, dBmin=-5300, dBmax=-500 Unit: 5 Control: name="Headset Playback Switch", index=0 Info: id=5, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 11 Control: name="Sidetone Playback Volume", index=0 Info: id=11, control=2, cmask=0x0, channels=1, type="S16" Volume: min=0, max=8192, dBmin=0, dBmax=3200 Unit: 11 Control: name="Sidetone Playback Switch", index=0 Info: id=11, 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 Oct 3 21:31 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Oct 3 21:31 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 16 Oct 3 21:31 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 56 Oct 3 21:31 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 48 Oct 3 21:31 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 Oct 3 21:30 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Oct 3 21:31 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Oct 3 21:31 . drwxr-xr-x 4 root root 220 Oct 3 21:31 .. lrwxrwxrwx 1 root root 12 Oct 3 21:31 usb-Plantronics_Plantronics_C520-M_8B4C65E00FC67F45A136C8685FEB711A-00 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Oct 3 21:31 . drwxr-xr-x 4 root root 220 Oct 3 21:31 .. lrwxrwxrwx 1 root root 12 Oct 3 21:31 platform-20980000.usb-usb-0:1:1.0 -> ../controlC1 lrwxrwxrwx 1 root root 12 Oct 3 21:31 platform-bcm2835_audio -> ../controlC0 !!ALSA configuration files !!------------------------ !!User specific config file (~/.asoundrc) pcm.!default { type asym playback.pcm { type plug slave.pcm "output" } capture.pcm { type plug slave.pcm "input" } } pcm.output { type hw card 0 } ctl.!default { type hw card 0 } !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: Headphones [bcm2835 Headphones], device 0: bcm2835 Headphones [bcm2835 Headphones] 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 1: C520M [Plantronics C520-M], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 1: C520M [Plantronics C520-M], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card Headphones Card hw:0 'Headphones'/'bcm2835 Headphones' Mixer name : 'Broadcom Mixer' Components : '' Controls : 2 Simple ctrls : 1 Simple mixer control 'Headphone',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 C520M Card hw:1 'C520M'/'Plantronics Plantronics C520-M at usb-20980000.usb-1, full speed' Mixer name : 'USB Mixer' Components : 'USB047f:c01c' Controls : 9 Simple ctrls : 2 Simple mixer control 'Sidetone',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback 0 - 8192 Mono: Playback 8192 [100%] [32.00dB] [on] Simple mixer control 'Headset',0 Capabilities: pvolume cvolume cvolume-joined pswitch pswitch-joined cswitch cswitch-joined Playback channels: Front Left - Front Right Capture channels: Mono Limits: Playback 0 - 24 Capture 0 - 4 Mono: Capture 4 [100%] [5.00dB] [on] Front Left: Playback 24 [100%] [-5.00dB] [on] Front Right: Playback 24 [100%] [-5.00dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.Headphones { control.1 { iface MIXER name 'Headphone 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 'Headphone Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } state.C520M { control.1 { iface PCM name 'Capture Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.2 { iface PCM name 'Playback Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.3 { iface MIXER name 'Headset Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.4 { iface MIXER name 'Headset Capture Volume' value 4 comment { access 'read write' type INTEGER count 1 range '0 - 4' dbmin 100 dbmax 500 dbvalue.0 500 } } control.5 { iface MIXER name 'Sidetone Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.6 { iface MIXER name 'Sidetone Playback Volume' value 8192 comment { access 'read write' type INTEGER count 1 range '0 - 8192' dbmin 0 dbmax 3200 dbvalue.0 3200 } } control.7 { iface MIXER name 'Headset Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.8 { iface MIXER name 'Headset Playback Volume' value.0 24 value.1 24 comment { access 'read write' type INTEGER count 2 range '0 - 24' dbmin -5300 dbmax -500 dbvalue.0 -500 dbvalue.1 -500 } } control.9 { iface CARD name 'Keep Interface' value false comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ 8021q aes_arm aes_generic bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 bluetooth bnep brcmfmac brcmutil btbcm cfg80211 cmac ecc ecdh_generic evdev fixed garp hci_uart ip_tables ipv6 joydev libaes libsha256 llc mc nf_defrag_ipv6 raspberrypi_hwmon rfkill 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_mem2mem vc_sm_cma videobuf2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev x_tables !!ALSA/HDA dmesg !!-------------- [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 113680 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 snd_bcm2835.enable_headphones=1 bcm2708_fb.fbwidth=656 bcm2708_fb.fbheight=416 bcm2708_fb.fbswap=1 smsc95xx.macaddr=B8:27:EB:38:CE:4D vc_mem.mem_base=0x1ec00000 vc_mem.mem_size=0x20000000 console=ttyS0,115200 console=tty1 root=PARTUUID=e1ea5bcd-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait [ 0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes, linear) -- [ 15.566598] bcm2835_isp: module is from the staging directory, the quality is unknown, you have been warned. [ 15.582236] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 15.593483] bcm2835_v4l2: module is from the staging directory, the quality is unknown, you have been warned. -- [ 19.611392] usb 1-1: [11] FU [Sidetone Playback Volume] ch = 1, val = 0/8192/1 [ 19.723902] usbcore: registered new interface driver snd-usb-audio [ 28.311312] 8021q: 802.1Q VLAN Support v1.8 !!Packages installed !!-------------------- ii alsa-utils 1.1.8-2 armhf Utilities for configuring and using ALSA