!!################################ !!ALSA Information Script v 0.5.3 !!################################ !!Script ran on: Thu Sep 24 23:37:53 UTC 2026 !!Linux Distribution !!------------------ ARCH=arm INITRD_ARCH=arm ARCH=arm INITRD_ARCH=arm DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 24.04 LTS" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian UBUNTU_CODENAME=noble !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: System SKU: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: #1 SMP Mon Sep 21 13:06:06 UTC 2026 Operating System: GNU/Linux Architecture: armv7l Processor: armv7l SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.18.53-current-rockchip Library version: Utilities version: 1.2.9 !!Loaded ALSA modules !!------------------- snd_soc_audio_graph_card2 (card 0) snd_soc_audio_graph_card2 (card 1) snd_soc_audio_graph_card2 (card 2) !!Sound Servers on this system !!---------------------------- PipeWire: Installed - Yes (/usr/bin/pipewire) Running - No Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - No !!Soundcards recognised by ALSA !!----------------------------- 0 [analog ]: analog - analog analog 1 [SPDIF ]: SPDIF - SPDIF SPDIF 2 [HDMI ]: HDMI - HDMI HDMI !!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_audio_graph_card2 * : !!Module: snd_soc_audio_graph_card2 * : !!Module: snd_soc_audio_graph_card2 * : !!Sysfs card info !!--------------- !!Card: /sys/class/sound/card0 Driver: /sys/bus/platform/drivers/asoc-audio-graph-card2 Tree: !!Card: /sys/class/sound/card1 Driver: /sys/bus/platform/drivers/asoc-audio-graph-card2 Tree: !!Card: /sys/class/sound/card2 Driver: /sys/bus/platform/drivers/asoc-audio-graph-card2 Tree: !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 3 Sep 24 22:40 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 5 Sep 24 22:40 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 8 Sep 24 22:40 /dev/snd/controlC2 crw-rw---- 1 root audio 116, 2 Sep 24 22:40 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 4 Sep 24 22:40 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 7 Sep 24 22:40 /dev/snd/pcmC2D0c crw-rw---- 1 root audio 116, 6 Sep 24 22:40 /dev/snd/pcmC2D0p crw-rw---- 1 root audio 116, 1 Sep 24 22:40 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Sep 24 22:40 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 100 Sep 24 22:40 . drwxr-xr-x 3 root root 240 Sep 24 22:40 .. lrwxrwxrwx 1 root root 12 Sep 24 22:40 platform-analog-sound -> ../controlC0 lrwxrwxrwx 1 root root 12 Sep 24 22:40 platform-hdmi-sound -> ../controlC2 lrwxrwxrwx 1 root root 12 Sep 24 22:40 platform-spdif-sound -> ../controlC1 !!ALSA configuration files !!------------------------ !!System wide config file (/etc/asound.conf) pcm.!default { type plug slave.pcm "hw:analog" } ctl.!default { type hw card analog } !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: analog [analog], device 0: 100b0000.i2s1-rk3228-hifi rk3228-hifi-0 [100b0000.i2s1-rk3228-hifi rk3228-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: SPDIF [SPDIF], device 0: 100d0000.spdif-dit-hifi dit-hifi-0 [100d0000.spdif-dit-hifi dit-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 2: HDMI [HDMI], device 0: 100c0000.i2s0-i2s-hifi i2s-hifi-0 [100c0000.i2s0-i2s-hifi i2s-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 2: HDMI [HDMI], device 0: 100c0000.i2s0-i2s-hifi i2s-hifi-0 [100c0000.i2s0-i2s-hifi i2s-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card analog Card sysdefault:0 'analog'/'analog' Mixer name : '' Components : '' Controls : 0 Simple ctrls : 0 !!-------Mixer controls for card SPDIF Card sysdefault:1 'SPDIF'/'SPDIF' Mixer name : '' Components : '' Controls : 0 Simple ctrls : 0 !!-------Mixer controls for card HDMI Card sysdefault:2 'HDMI'/'HDMI' Mixer name : '' Components : '' Controls : 4 Simple ctrls : 0 !!Alsactl output !!-------------- --startcollapse-- state.analog { control { } } state.SPDIF { control { } } state.HDMI { control.1 { 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.2 { iface PCM name 'IEC958 Playback Mask' value ffffffffffffffffffffffffffffffffffffffffffffffff0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 comment { access read type IEC958 count 1 } } control.3 { iface PCM name 'IEC958 Playback Default' value '0400000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read write' type IEC958 count 1 } } control.4 { iface PCM name ELD value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read volatile' type BYTES count 128 } } } --endcollapse-- !!All Loaded Modules !!------------------ 842_compress 842_decompress aes_arm aes_arm_bs binfmt_misc blake2b_generic blake2b_neon btrfs ccm cfg80211 cpufreq_dt crypto_engine dw_hdmi_cec dw_hdmi_i2s_audio dw_wdt fuse gpio_ir_recv gpio_keys gpu_sched hantro_vpu ip_tables ir_nec_decoder lima lz4_compress lz4hc_compress mac80211 nfnetlink r8723bs rk_crypto rockchip_rga rockchip_thermal rockchip_vdec rtl8xxxu sch_fq_codel snd snd_pcm snd_pcm_dmaengine snd_soc_audio_graph_card2 snd_soc_core snd_soc_hdmi_codec snd_soc_rk3228 snd_soc_rockchip_i2s snd_soc_rockchip_spdif snd_soc_simple_card_utils snd_soc_spdif_tx snd_timer soundcore sunrpc v4l2_h264 v4l2_jpeg v4l2_mem2mem v4l2_vp9 videobuf2_dma_contig x_tables zram !!ALSA/HDA dmesg !!-------------- [ 2.924979] dwhdmi-rockchip 200a0000.hdmi: supply avdd-1v8 not found, using dummy regulator [ 2.925540] dwhdmi-rockchip 200a0000.hdmi: Detected HDMI TX controller v2.01a with HDCP (inno_dw_hdmi_phy2) [ 2.927014] dwhdmi-rockchip 200a0000.hdmi: registered DesignWare HDMI I2C bus driver [ 2.927545] rockchip-drm display-subsystem: bound 200a0000.hdmi (ops 0xb119e11c) -- [ 36.318922] wlx7cb2326e278f: associated [ 2543.615983] hdmi-audio-codec hdmi-audio-codec.2.auto: HDMI: Unknown ELD version 0 [ 2791.540538] usb 7-1: USB disconnect, device number 2 !!Packages installed !!-------------------- ii alsa-utils 1.2.9-1ubuntu5 armhf Utilities for configuring and using ALSA