!!################################ !!ALSA Information Script v 0.4.65 !!################################ !!Script ran on: Sun Feb 7 21:09:22 UTC 2021 !!Linux Distribution !!------------------ Debian GNU/Linux 10 \n \l PRETTY_NAME="Debian GNU/Linux 10 (buster)" NAME="Debian GNU/Linux" ID=debian HOME_URL="https://www.debian.org/" SUPPORT_URL="https://www.debian.org/support" BUG_REPORT_URL="https://bugs.debian.org/" !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: System SKU: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 5.9.0-0.bpo.5-arm64 Operating System: GNU/Linux Architecture: aarch64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.9.0-0.bpo.5-arm64 Library version: 1.1.8 Utilities version: 1.1.8 !!Loaded ALSA modules !!------------------- snd_bcm2835 !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [ALSA ]: bcm2835_alsa - bcm2835 ALSA bcm2835 ALSA !!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 num_channels : 8 !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 4 Feb 14 2019 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 2 Feb 14 2019 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 3 Feb 14 2019 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 1 Feb 14 2019 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Feb 14 2019 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Feb 14 2019 . drwxr-xr-x 3 root root 160 Feb 14 2019 .. lrwxrwxrwx 1 root root 12 Feb 14 2019 platform-bcm2835_audio -> ../controlC0 !!ALSA configuration files !!------------------------ !!System wide config file (/etc/asound.conf) options snd_rpi_googlevoicehat_soundcard index=0 pcm.softvol { type softvol slave.pcm dmix control{ name Master card 0 } } pcm.micboost{ type softvol slave.pcm dsnoop control { name Micro card 0 } min_dB -10.0 max_dB 50.0 resolution 256} pcm.!default { type asym playback.pcm "plug:softvol" capture.pcm "plug:micboost" } ctl.!default { type hw card 0 } !!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 ARECORD **** List of CAPTURE Hardware Devices **** !!Amixer output !!------------- !!-------Mixer controls for card ALSA Card hw:0 'ALSA'/'bcm2835 ALSA' Mixer name : 'Broadcom Mixer' Components : '' Controls : 6 Simple ctrls : 2 Simple mixer control 'Master',0 Capabilities: volume Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: 0 - 255 Front Left: 255 [100%] Front Right: 255 [100%] 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] !!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 MIXER name Master value.0 255 value.1 255 comment { access 'read write user' type INTEGER count 2 range '0 - 255' tlv '0000000100000008ffffec1400000014' dbmin -5100 dbmax 0 dbvalue.0 0 dbvalue.1 0 } } } --endcollapse-- !!All Loaded Modules !!------------------ aes_arm64 aes_generic ansi_cprng autofs4 bcm2711_thermal bcm2835_mmal_vchiq bcm2835_v4l2 bcm2835_wdt bcm_phy_lib bluetooth brcmfmac brcmutil broadcom btbcm btintel btqca btrtl btsdio cfg80211 cpufreq_dt crc16 crc32c_generic drbg dwc2 ecc ecdh_generic ext4 fat fixed fixed_phy genet gpio_regulator hci_uart i2c_bcm2835 ip_tables iproc_rng200 jbd2 jitterentropy_rng leds_gpio libaes libphy mbcache mc mdio_bcm_unimac nls_ascii nls_cp437 of_mdio phy_generic pwm_bcm2835 raspberrypi_cpufreq rfkill rng_core sdhci sdhci_iproc sdhci_pltfm snd snd_bcm2835 snd_pcm snd_timer soundcore udc_core usb_common usbcore vchiq vfat videobuf2_common videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev x_tables xhci_hcd xhci_pci !!ALSA/HDA dmesg !!-------------- [ 9.084012] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 9.085212] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 9.096914] alg: No test for fips(ansi_cprng) (fips_ansi_cprng) -- [ 9.147703] cfg80211: failed to load regulatory.db [ 9.159540] bcm2835_audio bcm2835_audio: card created with 8 channels [ 9.166422] bcm2835_v4l2: module is from the staging directory, the quality is unknown, you have been warned. !!Packages installed !!-------------------- ii alsa-utils 1.1.8-2 arm64 Utilities for configuring and using ALSA