!!################################ !!ALSA Information Script v 0.5.1 !!################################ !!Script ran on: Thu May 22 09:45:57 UTC 2025 !!Linux Distribution !!------------------ Debian GNU/Linux 12 \n \l PRETTY_NAME="Debian GNU/Linux 12 (bookworm)" 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: 6.1.0-34-arm64 Operating System: GNU/Linux Architecture: aarch64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.1.0-34-arm64 Library version: 1.2.8 Utilities version: 1.2.8 !!Loaded ALSA modules !!------------------- snd_bcm2835 (card 0) vc4 (card 1) vc4 (card 2) !!Sound Servers on this system !!---------------------------- Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - Yes !!Soundcards recognised by ALSA !!----------------------------- 0 [Headphones ]: bcm2835_headpho - bcm2835 Headphones bcm2835 Headphones 1 [vc4hdmi0 ]: vc4-hdmi - vc4-hdmi-0 vc4-hdmi-0 2 [vc4hdmi1 ]: vc4-hdmi - vc4-hdmi-1 vc4-hdmi-1 !!Modprobe options (Sound related) !!-------------------------------- snd_pcsp: index=-2 snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 !!Loaded sound module options !!--------------------------- !!Module: snd_bcm2835 enable_hdmi : N enable_headphones : Y force_bulk : N num_channels : 8 !!Module: vc4 * : !!Module: vc4 * : !!Sysfs card info !!--------------- !!Card: /sys/class/sound/card0 Driver: /sys/bus/platform/drivers/bcm2835_audio Tree: !!Card: /sys/class/sound/card1 Driver: /sys/bus/platform/drivers/vc4_hdmi Tree: !!Card: /sys/class/sound/card2 Driver: /sys/bus/platform/drivers/vc4_hdmi Tree: !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 3 Mar 6 15:56 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 5 Mar 6 15:56 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 7 Mar 6 15:56 /dev/snd/controlC2 crw-rw---- 1 root audio 116, 2 Mar 6 15:56 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 4 Mar 6 15:56 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 6 Mar 6 15:56 /dev/snd/pcmC2D0p crw-rw---- 1 root audio 116, 1 Mar 6 15:56 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Mar 6 15:56 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 100 Mar 6 15:56 . drwxr-xr-x 3 root root 220 Mar 6 15:56 .. lrwxrwxrwx 1 root root 12 Mar 6 15:56 platform-bcm2835_audio -> ../controlC0 lrwxrwxrwx 1 root root 12 Mar 6 15:56 platform-fef00700.hdmi -> ../controlC1 lrwxrwxrwx 1 root root 12 Mar 6 15:56 platform-fef05700.hdmi -> ../controlC2 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: Headphones [bcm2835 Headphones], device 0: bcm2835 Headphones [bcm2835 Headphones] Subdevices: 7/8 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: vc4hdmi0 [vc4-hdmi-0], device 0: MAI PCM i2s-hifi-0 [MAI PCM i2s-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 2: vc4hdmi1 [vc4-hdmi-1], device 0: MAI PCM i2s-hifi-0 [MAI PCM i2s-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** !!Amixer output !!------------- !!-------Mixer controls for card Headphones Card sysdefault:0 'Headphones'/'bcm2835 Headphones' Mixer name : 'Broadcom Mixer' Components : '' Controls : 2 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] !!-------Mixer controls for card vc4hdmi0 Card sysdefault:1 'vc4hdmi0'/'vc4-hdmi-0' Mixer name : '' Components : '' Controls : 5 Simple ctrls : 1 Simple mixer control 'PCM',0 Capabilities: pvolume Playback channels: Front Left - Front Right Limits: Playback 0 - 255 Mono: Front Left: Playback 255 [100%] [0.00dB] Front Right: Playback 255 [100%] [0.00dB] !!-------Mixer controls for card vc4hdmi1 Card sysdefault:2 'vc4hdmi1'/'vc4-hdmi-1' Mixer name : '' Components : '' Controls : 4 Simple ctrls : 0 !!Alsactl output !!-------------- --startcollapse-- state.Headphones { 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 } } } state.vc4hdmi0 { 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 comment { access read type INTEGER count 8 range '0 - 36' } } control.2 { iface PCM name 'IEC958 Playback Mask' value ffffffffffffffffffffffffffffffffffffffffffffffff0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 comment { access read type IEC958 count 1 } } control.3 { iface PCM name 'IEC958 Playback Default' value '0400000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read write' type IEC958 count 1 } } control.4 { iface PCM name ELD value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read volatile' type BYTES count 128 } } control.5 { iface MIXER name 'PCM Playback Volume' 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 } } } state.vc4hdmi1 { 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 comment { access read type INTEGER count 8 range '0 - 36' } } control.2 { iface PCM name 'IEC958 Playback Mask' value ffffffffffffffffffffffffffffffffffffffffffffffff0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 comment { access read type IEC958 count 1 } } control.3 { iface PCM name 'IEC958 Playback Default' value '0400000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read write' type IEC958 count 1 } } control.4 { iface PCM name ELD value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read volatile' type BYTES count 128 } } } --endcollapse-- !!All Loaded Modules !!------------------ aes_neon_blk aes_neon_bs af_alg algif_hash algif_skcipher ansi_cprng autofs4 bcm2711_thermal bcm2835_mmal_vchiq bcm2835_v4l2 bcm2835_wdt bcm_phy_lib bcm_phy_ptp binfmt_misc bluetooth bnep brcmfmac brcmutil bridge broadcom btbcm btintel btqca btrtl btsdio cdc_acm cec cfg80211 configfs cpufreq_dt crc16 crc32c_generic crc64 crc64_rocksoft crc_t10dif crct10dif_ce crct10dif_common crct10dif_generic dax dm_mod drbg drm drm_display_helper drm_dma_helper drm_kms_helper drm_shmem_helper dwc2 ecc ecdh_generic efi_pstore evdev ext4 fat fixed fixed_phy fuse fwnode_mdio genet gpio_regulator gpu_sched hci_uart hid hid_generic i2c_bcm2835 ip_set ip_tables iproc_rng200 jbd2 jitterentropy_rng joydev leds_gpio libcrc32c libphy llc loop 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 nls_ascii nls_cp437 of_mdio overlay phy_generic pwm_bcm2835 qrtr raspberrypi_cpufreq rc_core reset_raspberrypi rfcomm rfkill roles scsi_common scsi_mod sd_mod sdhci sdhci_iproc sdhci_pltfm sg sha512_arm64 sha512_generic snd snd_bcm2835 snd_pcm snd_pcm_dmaengine snd_soc_core snd_soc_hdmi_codec snd_timer soundcore squashfs stp t10_pi tls uas udc_core uinput usb_common usb_storage usbcore usbhid uvcvideo v3d vc4 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_set xt_tcpudp !!ALSA/HDA dmesg !!-------------- [ 15.290679] audit: type=1400 audit(1741272980.295:2): apparmor="STATUS" operation="profile_load" profile="unconfined" name="nvidia_modprobe" pid=415 comm="apparmor_parser" [ 15.306475] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 15.307255] audit: type=1400 audit(1741272980.295:3): apparmor="STATUS" operation="profile_load" profile="unconfined" name="nvidia_modprobe//kmod" pid=415 comm="apparmor_parser" -- [ 15.611375] brcmfmac mmc1:0001:1: firmware: direct-loading firmware brcm/brcmfmac43455-sdio.clm_blob [ 15.655309] bcm2835_audio bcm2835_audio: card created with 8 channels [ 15.762056] raspberrypi-firmware soc:firmware: Request 0x00030066 returned status 0x80000001 !!Packages installed !!-------------------- ii alsa-topology-conf 1.2.5.1-2 all ALSA topology configuration files ii alsa-ucm-conf 1.2.8-1 all ALSA Use Case Manager configuration files ii alsa-utils 1.2.8-1 arm64 Utilities for configuring and using ALSA