!!################################ !!ALSA Information Script v 0.5.0 !!################################ !!Script ran on: Tue Mar 9 03:38:51 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 (card 0) !!Sound Servers on this system !!---------------------------- Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - Yes !!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 !!Sysfs card info !!--------------- !!Card: /sys/class/sound/card0 Driver: /sys/bus/platform/drivers/bcm2835_audio Tree: !!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 !!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: 0/1 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 : 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 0 [96%] [0.00dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.ALSA { control.1 { iface MIXER name 'PCM Playback Volume' value 0 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 0 } } 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 '0482000200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read write locked' type IEC958 count 1 } } control.5 { iface PCM name 'IEC958 Playback Con Mask' value '0200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access read type IEC958 count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ aes_arm64 aes_generic ansi_cprng autofs4 bcm2711_thermal bcm2835_mmal_vchiq bcm2835_v4l2 bcm2835_wdt bcm_phy_lib bluetooth bnep br_netfilter brcmfmac brcmutil bridge broadcom btbcm btintel btqca btrtl btsdio cfg80211 cmac cpufreq_dt crc16 crc32c_generic crc_t10dif crct10dif_common crct10dif_generic drbg dwc2 ecc ecdh_generic evdev ext4 fat fixed fixed_phy fuse genet gpio_regulator hci_uart hid hid_generic hid_logitech_dj hid_logitech_hidpp i2c_bcm2835 ip_tables iproc_rng200 jbd2 jitterentropy_rng joydev leds_gpio libaes libcrc32c libphy llc mbcache mc mdio_bcm_unimac nf_conntrack nf_conntrack_netlink nf_defrag_ipv4 nf_defrag_ipv6 nf_nat nf_tables nfnetlink nft_chain_nat nft_compat nft_counter nls_ascii nls_cp437 of_mdio overlay phy_generic pwm_bcm2835 raspberrypi_cpufreq rfcomm rfkill rng_core scsi_mod sd_mod sdhci sdhci_iproc sdhci_pltfm sg snd snd_bcm2835 snd_pcm snd_timer soundcore stp t10_pi uas udc_core usb_common usb_storage usbcore usbhid vchiq veth vfat videobuf2_common videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev x_tables xfrm_algo xfrm_user xhci_hcd xhci_pci xt_MASQUERADE xt_addrtype xt_conntrack xt_nat xt_tcpudp !!ALSA/HDA dmesg !!-------------- [ 0.000000] Policy zone: DMA32 [ 0.000000] Kernel command line: video=HDMI-A-1:1920x1080M@60,margin_left=48,margin_right=48,margin_top=48,margin_bottom=48 dma.dmachans=0x71f5 bcm2709.boardrev=0xc03111 bcm2709.serial=0x66629dde bcm2709.uart_clock=48000000 bcm2709.disk_led_gpio=42 bcm2709.disk_led_active_low=0 smsc95xx.macaddr=DC:A6:32:17:85:12 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=tty0 console=ttyS1,115200 root=/dev/mmcblk1p2 rw elevator=deadline fsck.repair=yes net.ifnames=0 rootwait [ 0.000000] Kernel parameter elevator= does not have any effect anymore. -- [ 10.816430] input: Logitech USB Receiver Consumer Control as /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.3/1-1.3:1.1/0003:046D:C52B.0002/input/input2 [ 10.864944] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 10.879131] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6 -- [ 10.938246] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 10.938288] bcm2835_audio bcm2835_audio: card created with 8 channels [ 10.941336] sd 0:0:0:0: [sda] Optimal transfer size 33553920 bytes !!Packages installed !!-------------------- ii alsa-utils 1.1.8-2 arm64 Utilities for configuring and using ALSA