!!################################ !!ALSA Information Script v 0.5.3 !!################################ !!Script ran on: Fri Aug 14 18:30:04 UTC 2026 !!Linux Distribution !!------------------ Debian GNU/Linux 13 \n \l PRETTY_NAME="Debian GNU/Linux 13 (trixie)" NAME="Debian GNU/Linux" DEBIAN_VERSION_FULL=13.6 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 1:6.18.39-1 rpt1 (2026-07-29) Operating System: GNU/Linux Architecture: aarch64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.18.39 rpt-rpi-2712 Library version: Utilities version: 1.2.14 !!Loaded ALSA modules !!------------------- snd_soc_simple_card (card 0) !!Sound Servers on this system !!---------------------------- PipeWire: Installed - Yes (/usr/bin/pipewire) Running - Yes Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - No !!Soundcards recognised by ALSA !!----------------------------- 0 [MAX98357A ]: simple-card - MAX98357A MAX98357A !!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 !!--------------------------- !!Module: snd_soc_simple_card * : !!Sysfs card info !!--------------- !!Card: /sys/class/sound/card0 Driver: /sys/bus/platform/drivers/asoc-simple-card Tree: !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 3 Aug 14 20:17 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 2 Aug 14 20:17 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 1 Aug 14 20:17 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Aug 14 20:17 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Aug 14 20:17 . drwxr-xr-x 3 root root 140 Aug 14 20:17 .. lrwxrwxrwx 1 root root 12 Aug 14 20:17 platform-soc@107c000000:sound -> ../controlC0 !!ALSA configuration files !!------------------------ !!System wide config file (/etc/asound.conf) pcm.sndrpigooglevoi { type hw card 0 } pcm.dmixer { type dmix ipc_key 1024 ipc_perm 0666 slave { pcm "sndrpigooglevoi" period_time 0 period_size 1024 buffer_size 8192 rate 44100 channels 2 } } ctl.dmixer { type hw card 0 } pcm.softvol { type softvol slave.pcm "dmixer" control.name "PCM" control.card 0 } ctl.softvol { type hw card 0 } pcm.!default { type plug slave.pcm "softvol" } !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: MAX98357A [MAX98357A], device 0: 1f000a0000.i2s-HiFi HiFi-0 [1f000a0000.i2s-HiFi HiFi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** !!Amixer output !!------------- !!-------Mixer controls for card MAX98357A Card sysdefault:0 'MAX98357A'/'MAX98357A' Mixer name : '' Components : '' Controls : 1 Simple ctrls : 1 Simple mixer control 'PCM',0 Capabilities: volume Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: 0 - 255 Front Left: 136 [53%] [-23.80dB] Front Right: 136 [53%] [-23.80dB] !!Alsactl output !!-------------- --startcollapse-- state.MAX98357A { control.1 { iface MIXER name PCM value.0 136 value.1 136 comment { access 'read write user' type INTEGER count 2 range '0 - 255' tlv '0000000100000008ffffec1400000014' dbmin -5100 dbmax 0 dbvalue.0 -2380 dbvalue.1 -2380 } } } --endcollapse-- !!All Loaded Modules !!------------------ aes_ce_blk aes_ce_cipher af_alg algif_hash algif_skcipher backlight binfmt_misc bluetooth bnep br_netfilter brcmfmac brcmfmac_cyw brcmutil bridge btbcm cfg80211 designware_i2s drm drm_client_lib drm_dma_helper drm_kms_helper drm_panel_orientation_quirks drm_rp1_dsi ecc ecdh_generic fuse gf128mul ghash_ce goodix_ts gpio_keys gpio_regmap hci_uart i2c_designware_core i2c_designware_platform i2c_dev ipv6 joydev libsha1 llc lz4_compress mc nf_conntrack nf_conntrack_netlink nf_defrag_ipv4 nf_defrag_ipv6 nf_nat nf_tables nfnetlink nft_chain_nat nft_compat nvmem_rmem overlay panel_ilitek_ili9881c pisp_be pwm_bl raspberrypi_gpiomem raspberrypi_hwmon regmap_i2c rfcomm rfkill rp1_adc rp1_fw rp1_mailbox rp1_pio rpi_hevc_dec rpi_panel_v2_regulator sch_fq_codel snd snd_compress snd_hrtimer snd_pcm snd_pcm_dmaengine snd_seq snd_seq_device snd_seq_dummy snd_soc_core snd_soc_max98357a snd_soc_simple_card snd_soc_simple_card_utils snd_timer spi_dw spi_dw_mmio spidev stp v4l2_mem2mem veth videobuf2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videodev x_tables xfrm_algo xfrm_user xt_MASQUERADE xt_addrtype xt_conntrack xt_nat xt_tcpudp zram !!ALSA/HDA dmesg !!-------------- !!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