!!################################ !!ALSA Information Script v 0.5.3 !!################################ !!Script ran on: Sat Oct 25 07:49:28 UTC 2025 !!Linux Distribution !!------------------ !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: System SKU: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: #1-NixOS SMP Thu Aug 29 15:33:59 UTC 2024 Operating System: GNU/Linux Architecture: aarch64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.6.48 Library version: Utilities version: 1.2.10 !!Loaded ALSA modules !!------------------- !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [vc4hdmi0 ]: vc4-hdmi - vc4-hdmi-0 vc4-hdmi-0 1 [vc4hdmi1 ]: vc4-hdmi - vc4-hdmi-1 vc4-hdmi-1 2 [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 !!Loaded sound module options !!--------------------------- !!Sysfs card info !!--------------- !!Card: /sys/class/sound/card0 Driver: /sys/bus/platform/drivers/vc4_hdmi Tree: !!Card: /sys/class/sound/card1 Driver: /sys/bus/platform/drivers/vc4_hdmi Tree: !!Card: /sys/class/sound/card2 Driver: /sys/bus/platform/drivers/bcm2835_audio Tree: !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 3 Oct 24 23:24 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 5 Oct 24 23:24 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 7 Oct 24 23:24 /dev/snd/controlC2 crw-rw---- 1 root audio 116, 2 Oct 24 23:24 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 4 Oct 24 23:24 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 6 Oct 24 23:24 /dev/snd/pcmC2D0p crw-rw---- 1 root audio 116, 1 Oct 25 07:47 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Oct 25 07:47 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 100 Oct 24 23:24 . drwxr-xr-x 3 root root 220 Oct 24 23:24 .. lrwxrwxrwx 1 root root 12 Oct 24 23:24 platform-bcm2835_audio -> ../controlC2 lrwxrwxrwx 1 root root 12 Oct 24 23:24 platform-fef00700.hdmi -> ../controlC0 lrwxrwxrwx 1 root root 12 Oct 24 23:24 platform-fef05700.hdmi -> ../controlC1 !!Aplay/Arecord output !!-------------------- APLAY aplay: device_list:277: no soundcards found... ARECORD arecord: device_list:277: no soundcards found... !!Amixer output !!------------- !!-------Mixer controls for card vc4hdmi0 Invalid card number 'vc4hdmi0'. Invalid card number 'vc4hdmi0'. !!-------Mixer controls for card vc4hdmi1 Invalid card number 'vc4hdmi1'. Invalid card number 'vc4hdmi1'. !!-------Mixer controls for card Headphones Invalid card number 'Headphones'. Invalid card number 'Headphones'. !!Alsactl output !!-------------- --startcollapse-- --endcollapse-- !!All Loaded Modules !!------------------ 8021q bcm2711_thermal bcm2835_mmal_vchiq bcm2835_v4l2 bcm_phy_lib bluetooth br_netfilter brcmfmac brcmfmac_wcc brcmutil bridge broadcom btbcm btqca btsdio cec cfg80211 clk_raspberrypi crct10dif_ce dax dm_mod drm_display_helper drm_dma_helper ecc ecdh_generic fuse garp genet gpu_sched hci_uart i2c_bcm2835 ip_tables joydev libcrc32c llc macvlan mc mousedev mrp nf_conntrack nf_conntrack_netlink nf_defrag_ipv4 nf_defrag_ipv6 nf_nat nf_tables nfnetlink nft_chain_nat nft_compat nvmem_rmem overlay pcie_brcmstb pwm_bcm2835 raspberrypi_cpufreq raspberrypi_hwmon reset_raspberrypi rfkill sch_fq_codel snd_bcm2835 snd_soc_hdmi_codec stp tap uas uio uio_pdrv_genirq v3d vc4 vchiq veth videobuf2_common videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev x_tables xfrm_algo xfrm_user xhci_pci xhci_pci_renesas xt_MASQUERADE xt_addrtype xt_conntrack xt_mark xt_nat xt_tcpudp !!ALSA/HDA dmesg !!-------------- [ 3.954583] clk: Disabling unused clocks [ 3.961557] ALSA device list: [ 3.966902] No soundcards found. [ 3.972541] mmc0: SDHCI controller on fe300000.mmc [fe300000.mmc] using PIO -- [ 18.159251] mc: Linux media interface: v0.10 [ 18.170378] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 18.170723] [drm] Initialized vc4 0.0.0 20140616 for gpu on minor 1 [ 18.218292] bcm2835_audio bcm2835_audio: card created with 8 channels [ 18.222536] brcmfmac: brcmf_c_process_txcap_blob: no txcap_blob available (err=-2)