!!################################ !!ALSA Information Script v 0.5.3 !!################################ !!Script ran on: Thu Apr 17 08:24:56 UTC 2025 !!Linux Distribution !!------------------ Ubuntu 24.04.2 LTS \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 24.04.2 LTS" PRETTY_NAME="Ubuntu 24.04.2 LTS" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian HOME_URL="https://www.ubuntu.com/" SUPPORT_URL="https://help.ubuntu.com/" BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/" PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy" UBUNTU_CODENAME=noble LOGO=ubuntu-logo Ubuntu 23.04 (Lunar Lobster) !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: System SKU: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: #24-Ubuntu SMP PREEMPT_DYNAMIC Sun Feb 23 08:39:32 UTC 2025 Operating System: GNU/Linux Architecture: aarch64 Processor: aarch64 SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.8.0-1020-raspi Library version: Utilities version: 1.2.9 !!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 21 22:18 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 2 Feb 21 22:18 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 1 Feb 21 22:18 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Feb 21 22:18 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Feb 21 22:18 . drwxr-xr-x 3 root root 140 Feb 21 22:18 .. lrwxrwxrwx 1 root root 12 Feb 21 22:18 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: 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 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 346 [99%] [3.46dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.Headphones { control.1 { iface MIXER name 'PCM Playback Volume' value 346 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 346 } } control.2 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ aes_arm64 async_memcpy async_pq async_raid6_recov async_tx async_xor autofs4 bcm2708_fb bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_mmc bcm2835_v4l2 binfmt_misc blake2b_generic bluetooth brcmfmac brcmfmac_wcc brcmutil btbcm btintel btqca btrfs btrtl btsdio cfg80211 crct10dif_ce dax dm_mod dm_multipath dwc2 ecc ecdh_generic fuse hci_uart i2c_bcm2835 ip_tables libcrc32c mc md_mod nfnetlink nvmem_rmem phy_generic raid0 raid1 raid10 raid456 raid6_pq raspberrypi_gpiomem raspberrypi_hwmon rfkill roles rpivid_hevc sch_fq_codel snd snd_bcm2835 snd_pcm snd_timer spi_bcm2835 spidev tls udc_core uio uio_pdrv_genirq v4l2_mem2mem vc_sm_cma videobuf2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev x_tables xhci_pci xhci_pci_renesas xor xor_neon !!ALSA/HDA dmesg !!-------------- !!Packages installed !!-------------------- ii alsa-topology-conf 1.2.5.1-2 all ALSA topology configuration files ii alsa-ucm-conf 1.2.10-1ubuntu5.4 all ALSA Use Case Manager configuration files ii alsa-utils 1.2.9-1ubuntu5 arm64 Utilities for configuring and using ALSA