!!################################ !!ALSA Information Script v 0.5.1 !!################################ !!Script ran on: Sun Feb 2 19:25:53 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: 6.6.74 rpt-rpi-v8 Operating System: GNU/Linux Architecture: aarch64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.6.74 rpt-rpi-v8 Library version: 1.2.8 Utilities version: 1.2.8 !!Loaded ALSA modules !!------------------- snd_bcm2835 (card 0) !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [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 !!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, 3 Feb 2 14:17 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 2 Feb 2 14:17 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 1 Feb 2 14:17 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Feb 2 14:17 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Feb 2 14:17 . drwxr-xr-x 3 root root 140 Feb 2 14:17 .. lrwxrwxrwx 1 root root 12 Feb 2 14:17 platform-bcm2835_audio -> ../controlC0 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: Headphones [bcm2835 Headphones], device 0: bcm2835 Headphones [bcm2835 Headphones] Subdevices: 8/8 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 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 30 [97%] [0.30dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.Headphones { control.1 { iface MIXER name 'PCM Playback Volume' value 30 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 30 } } control.2 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ backlight bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 binfmt_misc bluetooth brcmfmac brcmfmac_wcc brcmutil btbcm cfg80211 chacha_neon dm_mod drm drm_panel_orientation_quirks ecc ecdh_generic fuse hci_uart ip6_udp_tunnel ip_tables ipv6 libaes libchacha libchacha20poly1305 libcurve25519_generic mc nf_conntrack nf_defrag_ipv4 nf_defrag_ipv6 nf_flow_table nf_flow_table_inet nf_log_syslog nf_nat nf_tables nfnetlink nft_chain_nat nft_ct nft_flow_offload nft_log nft_masq nft_nat nvmem_rmem poly1305_neon raspberrypi_gpiomem raspberrypi_hwmon rfkill rpivid_hevc sch_fq snd snd_bcm2835 snd_pcm snd_timer tcp_bbr udp_tunnel uio uio_pdrv_genirq v4l2_mem2mem vc_sm_cma videobuf2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev wireguard x_tables !!ALSA/HDA dmesg !!-------------- [ 0.000000] alternatives: applying boot alternatives [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_headphones=0 cgroup_disable=memory numa_policy=interleave snd_bcm2835.enable_headphones=1 snd_bcm2835.enable_hdmi=1 bcm2708_fb.fbwidth=0 bcm2708_fb.fbheight=0 bcm2708_fb.fbswap=1 smsc95xx.macaddr=DC:A6:32:34:2B:DA vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyS0,115200 console=tty1 root=PARTUUID=520dc8a1-02 rootfstype=ext4 fsck.repair=yes rootwait cfg80211.ieee80211_regdom=FR [ 0.000000] cgroup: Disabling memory control group subsystem -- [ 6.463022] mc: Linux media interface: v0.10 [ 6.498374] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 6.521921] bcm2835_audio bcm2835_audio: card created with 8 channels [ 6.538367] videodev: Linux video capture interface: v2.00 !!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