!!################################ !!ALSA Information Script v 0.5.3 !!################################ !!Script ran on: Thu May 22 08:19:01 UTC 2025 !!Linux Distribution !!------------------ DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 18.04.4 LTS" ARCH=arm INITRD_ARCH=arm ARCH=arm INITRD_ARCH=arm NAME="Ubuntu" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 18.04.4 LTS" 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=bionic !!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: #2.0.8 SMP Tue Jun 9 18:36:35 CST 2020 Operating System: GNU/Linux Architecture: armv7l Processor: armv7l SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.4.27-sunxi Library version: 1.1.3 Utilities version: 1.1.3 !!Loaded ALSA modules !!------------------- (efault) (card 0) !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [Codec ]: H3_Audio_Codec - H3 Audio Codec H3 Audio Codec !!PCI Soundcards installed in the system !!-------------------------------------- !!Modprobe options (Sound related) !!-------------------------------- snd_pcsp: index=-2 snd_usb_audio: index=-2 snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 !!Loaded sound module options !!--------------------------- !!Module: (efault) * : !!Sysfs card info !!--------------- !!Card: /sys/class/sound/card0 Driver: /sys/bus/platform/drivers/sun4i-codec Tree: !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 May 22 08:09 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 24 May 22 08:09 /dev/snd/pcmC0D0c crw-rw---- 1 root audio 116, 16 May 22 08:09 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 1 May 22 08:09 /dev/snd/seq crw-rw---- 1 root audio 116, 33 May 22 08:09 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 May 22 08:09 . drwxr-xr-x 3 root root 160 May 22 08:09 .. lrwxrwxrwx 1 root root 12 May 22 08:09 platform-1c22c00.codec -> ../controlC0 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: Codec [H3 Audio Codec], device 0: CDC PCM Codec-0 [CDC PCM Codec-0] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 0: Codec [H3 Audio Codec], device 0: CDC PCM Codec-0 [CDC PCM Codec-0] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card Codec Card hw:0 'Codec'/'H3 Audio Codec' Mixer name : '' Components : '' Controls : 20 Simple ctrls : 12 Simple mixer control 'Line In',0 Capabilities: pvolume pvolume-joined pswitch cswitch Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: Playback 0 - 7 Front Left: Playback 3 [43%] [0.00dB] [off] Capture [off] Front Right: Playback 3 [43%] [0.00dB] [off] Capture [off] Simple mixer control 'Line Out',0 Capabilities: pvolume pvolume-joined pswitch Playback channels: Front Left - Front Right Limits: Playback 0 - 31 Mono: Front Left: Playback 30 [97%] [-1.50dB] [on] Front Right: Playback 30 [97%] [-1.50dB] [on] Simple mixer control 'Line Out Source',0 Capabilities: penum Items: 'Stereo' 'Mono Differential' Item0: 'Stereo' Item1: 'Stereo' Simple mixer control 'Mic1',0 Capabilities: pvolume pvolume-joined pswitch cswitch Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: Playback 0 - 7 Front Left: Playback 3 [43%] [0.00dB] [off] Capture [off] Front Right: Playback 3 [43%] [0.00dB] [off] Capture [off] Simple mixer control 'Mic1 Boost',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 7 Mono: 4 [57%] [33.00dB] Simple mixer control 'Mic2',0 Capabilities: pvolume pvolume-joined pswitch cswitch Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: Playback 0 - 7 Front Left: Playback 3 [43%] [0.00dB] [off] Capture [off] Front Right: Playback 3 [43%] [0.00dB] [off] Capture [off] Simple mixer control 'Mic2 Boost',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 7 Mono: 4 [57%] [33.00dB] Simple mixer control 'Mixer',0 Capabilities: cswitch Capture channels: Front Left - Front Right Front Left: Capture [off] Front Right: Capture [off] Simple mixer control 'Mixer Reversed',0 Capabilities: cswitch Capture channels: Front Left - Front Right Front Left: Capture [off] Front Right: Capture [off] Simple mixer control 'ADC Gain',0 Capabilities: cvolume cvolume-joined Capture channels: Mono Limits: Capture 0 - 7 Mono: Capture 3 [43%] [0.00dB] Simple mixer control 'DAC',0 Capabilities: pvolume pvolume-joined pswitch Playback channels: Front Left - Front Right Limits: Playback 0 - 63 Mono: Front Left: Playback 61 [97%] [-2.32dB] [on] Front Right: Playback 61 [97%] [-2.32dB] [on] Simple mixer control 'DAC Reversed',0 Capabilities: pswitch Playback channels: Front Left - Front Right Mono: Front Left: Playback [off] Front Right: Playback [off] !!Alsactl output !!-------------- --startcollapse-- state.Codec { control.1 { iface MIXER name 'DAC Playback Volume' value 61 comment { access 'read write' type INTEGER count 1 range '0 - 63' dbmin -7308 dbmax 0 dbvalue.0 -232 } } control.2 { iface MIXER name 'Line In Playback Volume' value 3 comment { access 'read write' type INTEGER count 1 range '0 - 7' dbmin -450 dbmax 600 dbvalue.0 0 } } control.3 { iface MIXER name 'Line Out Playback Volume' value 30 comment { access 'read write' type INTEGER count 1 range '0 - 31' dbmin -9999999 dbmax 0 dbvalue.0 -150 } } control.4 { iface MIXER name 'Line Out Playback Switch' value.0 true value.1 true comment { access 'read write' type BOOLEAN count 2 } } control.5 { iface MIXER name 'Mic2 Playback Volume' value 3 comment { access 'read write' type INTEGER count 1 range '0 - 7' dbmin -450 dbmax 600 dbvalue.0 0 } } control.6 { iface MIXER name 'Mic2 Boost Volume' value 4 comment { access 'read write' type INTEGER count 1 range '0 - 7' dbmin 0 dbmax 4200 dbvalue.0 3300 } } control.7 { iface MIXER name 'Mic1 Playback Volume' value 3 comment { access 'read write' type INTEGER count 1 range '0 - 7' dbmin -450 dbmax 600 dbvalue.0 0 } } control.8 { iface MIXER name 'Mic1 Boost Volume' value 4 comment { access 'read write' type INTEGER count 1 range '0 - 7' dbmin 0 dbmax 4200 dbvalue.0 3300 } } control.9 { iface MIXER name 'ADC Gain Capture Volume' value 3 comment { access 'read write' type INTEGER count 1 range '0 - 7' dbmin -450 dbmax 600 dbvalue.0 0 } } control.10 { iface MIXER name 'DAC Playback Switch' value.0 true value.1 true comment { access 'read write' type BOOLEAN count 2 } } control.11 { iface MIXER name 'DAC Reversed Playback Switch' value.0 false value.1 false comment { access 'read write' type BOOLEAN count 2 } } control.12 { iface MIXER name 'Line In Playback Switch' value.0 false value.1 false comment { access 'read write' type BOOLEAN count 2 } } control.13 { iface MIXER name 'Mic1 Playback Switch' value.0 false value.1 false comment { access 'read write' type BOOLEAN count 2 } } control.14 { iface MIXER name 'Mic2 Playback Switch' value.0 false value.1 false comment { access 'read write' type BOOLEAN count 2 } } control.15 { iface MIXER name 'Mixer Capture Switch' value.0 false value.1 false comment { access 'read write' type BOOLEAN count 2 } } control.16 { iface MIXER name 'Mixer Reversed Capture Switch' value.0 false value.1 false comment { access 'read write' type BOOLEAN count 2 } } control.17 { iface MIXER name 'Line In Capture Switch' value.0 false value.1 false comment { access 'read write' type BOOLEAN count 2 } } control.18 { iface MIXER name 'Mic1 Capture Switch' value.0 false value.1 false comment { access 'read write' type BOOLEAN count 2 } } control.19 { iface MIXER name 'Mic2 Capture Switch' value.0 false value.1 false comment { access 'read write' type BOOLEAN count 2 } } control.20 { iface MIXER name 'Line Out Source Playback Route' value.0 Stereo value.1 Stereo comment { access 'read write' type ENUMERATED count 2 item.0 Stereo item.1 'Mono Differential' } } } --endcollapse-- !!All Loaded Modules !!------------------ ac97_bus autofs4 ccm cfg80211 cpufreq_dt fixed g_serial gpio_regulator industrialio ip_tables libarc4 libcomposite mac80211 mc pwrseq_simple rfkill sch_fq_codel snd snd_pcm snd_pcm_dmaengine snd_soc_core snd_soc_simple_card snd_soc_simple_card_utils snd_timer soundcore spidev sun4i_codec sun4i_gpadc_iio sun4i_i2s sun8i_adda_pr_regmap sun8i_codec_analog sun8i_thermal sunxi_cedrus u_serial uio uio_pdrv_genirq usb_f_acm v4l2_mem2mem videobuf2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videodev x_tables xradio_wlan zram zsmalloc zstd !!ALSA/HDA dmesg !!-------------- [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 64960 [ 0.000000] Kernel command line: root=UUID=ed881d18-a212-493f-afeb-090921ef3b9d rootwait rootfstype=ext4 console=ttyS0,115200 hdmi.audio=EDID:0 disp.screen0_output_mode=1920x1080p60 consoleblank=0 loglevel=1 ubootpart=b1487ea6-01 ubootsource=mmc usb-storage.quirks=0x2537:0x1066:u,0x2537:0x1068:u sunxi_ve_mem_reserve=0 sunxi_g2d_mem_reserve=0 sunxi_fb_mem_reserve=16 cgroup_enable=memory swapaccount=1 [ 0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes, linear) !!Packages installed !!-------------------- ii alsa-utils 1.1.3-1ubuntu1 armhf Utilities for configuring and using ALSA