!!################################ !!ALSA Information Script v 0.5.1 !!################################ !!Script ran on: Wed Aug 13 12:48:01 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-2712 Operating System: GNU/Linux Architecture: aarch64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.12.34 rpt-rpi-2712 Library version: 1.2.8 Utilities version: 1.2.8 !!Loaded ALSA modules !!------------------- vc4 (card 0) vc4 (card 1) snd_soc_i_sabre_q2m (card 2) !!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 [DAC ]: I-Sabre_Q2M_DAC - I-Sabre Q2M DAC I-Sabre Q2M DAC !!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: vc4 fkms_max_refresh_rate : 85 force_hotplug : 0 tv_norm : !!Module: vc4 fkms_max_refresh_rate : 85 force_hotplug : 0 tv_norm : !!Module: snd_soc_i_sabre_q2m * : !!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/snd-rpi-i-sabre-q2m Tree: !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 3 Aug 13 14:16 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 5 Aug 13 14:16 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 7 Aug 13 14:16 /dev/snd/controlC2 crw-rw---- 1 root audio 116, 2 Aug 13 14:16 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 4 Aug 13 14:16 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 6 Aug 13 14:16 /dev/snd/pcmC2D0p crw-rw---- 1 root audio 116, 1 Aug 13 14:16 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Aug 13 14:16 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 100 Aug 13 14:16 . drwxr-xr-x 3 root root 220 Aug 13 14:16 .. lrwxrwxrwx 1 root root 12 Aug 13 14:16 platform-107c701400.hdmi -> ../controlC0 lrwxrwxrwx 1 root root 12 Aug 13 14:16 platform-107c706400.hdmi -> ../controlC1 lrwxrwxrwx 1 root root 12 Aug 13 14:16 platform-soc@107c000000:sound -> ../controlC2 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: vc4hdmi0 [vc4-hdmi-0], device 0: MAI PCM i2s-hifi-0 [MAI PCM i2s-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: vc4hdmi1 [vc4-hdmi-1], device 0: MAI PCM i2s-hifi-0 [MAI PCM i2s-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 2: DAC [I-Sabre Q2M DAC], device 0: I-Sabre Q2M DAC i-sabre-codec-dai-0 [I-Sabre Q2M DAC i-sabre-codec-dai-0] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** !!Amixer output !!------------- !!-------Mixer controls for card vc4hdmi0 Card sysdefault:0 'vc4hdmi0'/'vc4-hdmi-0' Mixer name : '' Components : '' Controls : 5 Simple ctrls : 0 !!-------Mixer controls for card vc4hdmi1 Card sysdefault:1 'vc4hdmi1'/'vc4-hdmi-1' Mixer name : '' Components : '' Controls : 5 Simple ctrls : 0 !!-------Mixer controls for card DAC Card sysdefault:2 'DAC'/'I-Sabre Q2M DAC' Mixer name : '' Components : '' Controls : 4 Simple ctrls : 3 Simple mixer control 'I2S/SPDIF Select',0 Capabilities: enum Items: 'I2S' 'SPDIF' Item0: 'SPDIF' Simple mixer control 'Digital',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback 0 - 100 Mono: Playback 100 [100%] [0.00dB] [off] Simple mixer control 'FIR Filter Type',0 Capabilities: enum Items: 'brick wall' 'corrected minimum phase fast' 'minimum phase slow' 'minimum phase fast' 'linear phase slow' 'linear phase fast' 'apodizing fast' Item0: 'brick wall' !!Alsactl output !!-------------- --startcollapse-- state.vc4hdmi0 { 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 } } } state.vc4hdmi1 { 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 } } } state.DAC { control.1 { iface MIXER name 'Digital Playback Volume' value 100 comment { access 'read write' type INTEGER count 1 range '0 - 100' dbmin -10000 dbmax 0 dbvalue.0 0 } } control.2 { iface MIXER name 'Digital Playback Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.3 { iface MIXER name 'FIR Filter Type' value 'brick wall' comment { access 'read write' type ENUMERATED count 1 item.0 'brick wall' item.1 'corrected minimum phase fast' item.2 'minimum phase slow' item.3 'minimum phase fast' item.4 'linear phase slow' item.5 'linear phase fast' item.6 'apodizing fast' } } control.4 { iface MIXER name 'I2S/SPDIF Select' value SPDIF comment { access 'read write' type ENUMERATED count 1 item.0 I2S item.1 SPDIF } } } --endcollapse-- !!All Loaded Modules !!------------------ aes_ce_blk aes_ce_cipher af_alg algif_hash algif_skcipher backlight binfmt_misc bluetooth bnep brcmfmac brcmfmac_wcc brcmutil btbcm cec cfg80211 designware_i2s dm_crypt dm_mod drm drm_display_helper drm_dma_helper drm_kms_helper drm_panel_orientation_quirks drm_shmem_helper ecc ecdh_generic fuse gf128mul ghash_ce gpio_keys gpu_sched hci_uart i2c_brcmstb i2c_designware_core i2c_designware_platform ip_set ip_tables ipv6 libaes mc nf_conntrack nf_defrag_ipv4 nf_defrag_ipv6 nf_nat nf_reject_ipv4 nf_reject_ipv6 nf_tables nfnetlink nft_chain_nat nft_ct nft_fib nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_reject nft_reject_inet nvmem_rmem pisp_be raspberrypi_gpiomem raspberrypi_hwmon regmap_i2c rfkill rp1_adc rp1_fw rp1_mailbox rp1_pio rpi_hevc_dec sha1_ce sha1_generic sha256_arm64 sha2_ce snd snd_compress snd_pcm snd_pcm_dmaengine snd_soc_core snd_soc_hdmi_codec snd_soc_i_sabre_codec snd_soc_i_sabre_q2m snd_timer spi_bcm2835 spidev uio uio_pdrv_genirq v3d v4l2_mem2mem vc4 videobuf2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videodev x_tables !!ALSA/HDA dmesg !!-------------- [ 8.873781] Bluetooth: HCI UART protocol Broadcom registered [ 8.877207] input: vc4-hdmi-0 HDMI Jack as /devices/platform/soc@107c000000/107c701400.hdmi/sound/card0/input2 [ 8.884203] vc4-drm axi:gpu: bound 107c701400.hdmi (ops vc4_hdmi_ops [vc4]) -- [ 8.886838] input: vc4-hdmi-1 as /devices/platform/soc@107c000000/107c706400.hdmi/rc/rc1/input3 [ 8.887815] input: vc4-hdmi-1 HDMI Jack as /devices/platform/soc@107c000000/107c706400.hdmi/sound/card1/input4 [ 8.888825] vc4-drm axi:gpu: bound 107c706400.hdmi (ops vc4_hdmi_ops [vc4]) -- [ 8.889111] vc4-drm axi:gpu: bound 107c411000.pixelvalve (ops vc4_crtc_ops [vc4]) [ 8.890486] snd-rpi-i-sabre-q2m soc@107c000000:sound: Audiophonics Device ID : 01 [ 8.890957] snd-rpi-i-sabre-q2m soc@107c000000:sound: Audiophonics API revision : 02 [ 8.897820] [drm] Initialized vc4 0.0.0 for axi:gpu on minor 1 !!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