!!################################ !!ALSA Information Script v 0.5.1 !!################################ !!Script ran on: Sun Oct 5 14:35:35 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: 6.12.34 rpt-rpi-v8 Operating System: GNU/Linux Architecture: aarch64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.12.34 rpt-rpi-v8 Library version: 1.2.8 Utilities version: 1.2.8 !!Loaded ALSA modules !!------------------- vc4 (card 0) !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [vc4hdmi ]: vc4-hdmi - vc4-hdmi vc4-hdmi !!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_hdmi=1 snd_bcm2835: enable_hdmi=0 !!Loaded sound module options !!--------------------------- !!Module: vc4 fkms_max_refresh_rate : 85 force_hotplug : 0 tv_norm : (null) !!Sysfs card info !!--------------- !!Card: /sys/class/sound/card0 Driver: /sys/bus/platform/drivers/vc4_hdmi Tree: !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 3 Oct 5 16:29 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 2 Oct 5 16:29 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 1 Oct 5 16:28 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Oct 5 16:29 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Oct 5 16:29 . drwxr-xr-x 3 root root 140 Oct 5 16:29 .. lrwxrwxrwx 1 root root 12 Oct 5 16:29 platform-3f902000.hdmi -> ../controlC0 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: vc4hdmi [vc4-hdmi], 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 vc4hdmi ALSA lib conf.c:2007:(_snd_config_load_with_include) _toplevel_:44:23:Unexpected char ALSA lib conf.c:4096:(config_file_open) /usr/share/alsa/cards/aliases.conf may be old or corrupted: consider to remove or fix it ALSA lib conf.c:4018:(snd_config_hooks_call) function snd_config_hook_load returned error: Invalid argument ALSA lib conf.c:5670:(snd_config_expand) Unknown parameters 0 ALSA lib control.c:1528:(snd_ctl_open_noupdate) Invalid CTL sysdefault:0 amixer: Control device sysdefault:0 open error: Invalid argument ALSA lib conf.c:2007:(_snd_config_load_with_include) _toplevel_:44:23:Unexpected char ALSA lib conf.c:4096:(config_file_open) /usr/share/alsa/cards/aliases.conf may be old or corrupted: consider to remove or fix it ALSA lib conf.c:4018:(snd_config_hooks_call) function snd_config_hook_load returned error: Invalid argument ALSA lib conf.c:5670:(snd_config_expand) Unknown parameters 0 ALSA lib control.c:1528:(snd_ctl_open_noupdate) Invalid CTL sysdefault:0 amixer: Mixer attach sysdefault:0 error: Invalid argument !!Alsactl output !!-------------- --startcollapse-- state.vc4hdmi { control.1 { iface CARD name 'HDMI Jack' value false comment { access read type BOOLEAN count 1 } } control.2 { 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 volatile' type INTEGER count 8 range '0 - 36' } } control.3 { iface PCM name 'IEC958 Playback Mask' value ffffffffffffffffffffffffffffffffffffffffffffffff0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 comment { access read type IEC958 count 1 } } control.4 { iface PCM name 'IEC958 Playback Default' value '0400000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read write' type IEC958 count 1 } } control.5 { iface PCM name ELD value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read volatile' type BYTES count 128 } } } --endcollapse-- !!All Loaded Modules !!------------------ backlight bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_unicam_legacy bcm2835_v4l2 binfmt_misc brcmfmac brcmfmac_wcc brcmutil cec cfg80211 dm_mod drm drm_display_helper drm_dma_helper drm_kms_helper drm_panel_orientation_quirks dw9807_vcm fuse i2c_bcm2835 i2c_mux i2c_mux_pinctrl imx708 ip_tables ipv6 mc pwm_bcm2835 raspberrypi_gpiomem raspberrypi_hwmon rfkill snd snd_bcm2835 snd_compress snd_pcm snd_pcm_dmaengine snd_soc_core snd_soc_hdmi_codec snd_timer uio uio_pdrv_genirq v4l2_async v4l2_dv_timings v4l2_fwnode v4l2_mem2mem vc4 vc_sm_cma videobuf2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev x_tables !!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_hdmi=1 snd_bcm2835.enable_hdmi=0 smsc95xx.macaddr=B8:27:EB:DA:94:60 vc_mem.mem_base=0x1ec00000 vc_mem.mem_size=0x20000000 console=ttyAMA0,115200 console=tty1 root=PARTUUID=a260d7a6-02 rootfstype=ext4 fsck.repair=yes rootwait cfg80211.ieee80211_regdom=IT [ 0.000000] cgroup: Disabling memory control group subsystem -- [ 11.174912] rpi-gpiomem 3f200000.gpiomem: initialised 1 regions as /dev/gpiomem [ 11.343671] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 11.348970] mc: Linux media interface: v0.10 -- [ 12.416417] input: vc4-hdmi as /devices/platform/soc/3f902000.hdmi/rc/rc0/input0 [ 12.454475] input: vc4-hdmi HDMI Jack as /devices/platform/soc/3f902000.hdmi/sound/card0/input1 [ 12.455802] vc4-drm soc:gpu: bound 3f902000.hdmi (ops vc4_hdmi_ops [vc4]) !!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 rpt1 arm64 Utilities for configuring and using ALSA