!!################################ !!ALSA Information Script v 0.5.3 !!################################ !!Script ran on: Fri Apr 17 21:48:46 UTC 2026 !!Linux Distribution !!------------------ Debian GNU/Linux 13 \n \l PRETTY_NAME="Debian GNU/Linux 13 (trixie)" NAME="Debian GNU/Linux" DEBIAN_VERSION_FULL=13.4 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 !!--------------- !!ACPI SoundWire Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: #1 SMP PREEMPT Debian 1:6.12.75-1 rpt1 (2026-03-11) Operating System: GNU/Linux Architecture: aarch64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.12.75 rpt-rpi-v8 Library version: Utilities version: 1.2.14 !!Loaded ALSA modules !!------------------- snd_bcm2835 (card 0) snd_bcm2835 (card 1) !!Sound Servers on this system !!---------------------------- PipeWire: Installed - Yes (/usr/bin/pipewire) Running - Yes No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [b1 ]: bcm2835_hdmi - bcm2835 HDMI 1 bcm2835 HDMI 1 1 [Headphones ]: bcm2835_headpho - bcm2835 Headphones bcm2835 Headphones !!PCI Soundcards installed in the system !!-------------------------------------- !!Modprobe options (Sound related) !!-------------------------------- snd_pcsp: index=-2 snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 snd_bcm2835: enable_headphones=0 snd_bcm2835: enable_headphones=1 snd_bcm2835: enable_hdmi=1 !!Loaded sound module options !!--------------------------- !!Module: snd_bcm2835 enable_hdmi : Y enable_headphones : Y force_bulk : N num_channels : 8 !!Module: snd_bcm2835 enable_hdmi : Y enable_headphones : Y force_bulk : N num_channels : 8 !!Sysfs card info !!--------------- !!Card: /sys/class/sound/card0 Driver: /sys/bus/vchiq-bus/drivers/bcm2835-audio Tree: !!Card: /sys/class/sound/card1 Driver: /sys/bus/vchiq-bus/drivers/bcm2835-audio Tree: !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 4 Apr 17 22:43 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 6 Apr 17 22:43 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 2 Apr 17 22:43 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 3 Apr 17 22:43 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 5 Apr 17 22:43 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 Apr 17 22:43 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Apr 17 22:43 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Apr 17 22:43 . drwxr-xr-x 3 root root 200 Apr 17 22:43 .. lrwxrwxrwx 1 root root 12 Apr 17 22:43 platform-3f00b840.mailbox -> ../controlC1 !!Aplay/Arecord output !!-------------------- APLAY aplay: device_list:279: no soundcards found... ARECORD arecord: device_list:279: no soundcards found... !!Amixer output !!------------- !!-------Mixer controls for card b1 Invalid card number 'b1'. Invalid card number 'b1'. !!-------Mixer controls for card Headphones Invalid card number 'Headphones'. Invalid card number 'Headphones'. !!Alsactl output !!-------------- --startcollapse-- --endcollapse-- !!All Loaded Modules !!------------------ aes_arm64 aes_generic af_alg algif_hash algif_skcipher backlight bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 binfmt_misc bluetooth bnep brcmfmac brcmfmac_wcc brcmutil btbcm cec cfg80211 cmac drm drm_display_helper drm_dma_helper drm_kms_helper drm_panel_orientation_quirks ecc ecdh_generic fuse hci_uart ip_tables ipv6 joydev libaes lz4_compress mc nfnetlink raspberrypi_gpiomem raspberrypi_hwmon rfcomm rfkill sch_fq_codel snd snd_bcm2835 snd_compress snd_pcm snd_pcm_dmaengine snd_soc_core snd_soc_hdmi_codec snd_timer uio uio_pdrv_genirq v4l2_mem2mem vc4 vc_sm_cma videobuf2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev x_tables zram !!ALSA/HDA dmesg !!-------------- [ 0.000000] alternatives: applying boot alternatives [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=1 snd_bcm2835.enable_headphones=0 cgroup_disable=memory snd_bcm2835.enable_headphones=1 snd_bcm2835.enable_hdmi=1 clk_ignore_unused vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyS0,115200 console=tty1 root=PARTUUID=52365edc-02 rootfstype=ext4 fsck.repair=yes rootwait ds=nocloud;i=rpi-imager-1776458824508 cfg80211.ieee80211_regdom=GB [ 0.000000] cgroup: Disabling memory control group subsystem -- [ 12.128559] rpi-gpiomem 3f200000.gpiomem: initialised 1 regions as /dev/gpiomem [ 12.437891] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 12.458061] bcm2835-audio bcm2835-audio: card created with 4 channels [ 12.467284] bcm2835-audio bcm2835-audio: card created with 4 channels [ 12.603307] mc: Linux media interface: v0.10 !!Packages installed !!-------------------- ii alsa-topology-conf 1.2.5.1-3 all ALSA topology configuration files ii alsa-ucm-conf 1.2.14-1 all ALSA Use Case Manager configuration files ii alsa-utils 1.2.14-1 rpt1 arm64 Utilities for configuring and using ALSA