!!################################ !!ALSA Information Script v 0.5.0 !!################################ !!Script ran on: Sun Aug 22 04:41:28 UTC 2021 !!Linux Distribution !!------------------ Ubuntu 20.04.3 LTS \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 20.04.3 LTS" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 20.04.3 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=focal !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: System SKU: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 4.4.189 Operating System: GNU/Linux Architecture: aarch64 Processor: aarch64 SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.4.189 Library version: 1.2.2 Utilities version: 1.2.2 !!Loaded ALSA modules !!------------------- !!Sound Servers on this system !!---------------------------- Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - Yes !!Soundcards recognised by ALSA !!----------------------------- 0 [rockchiprk817co]: rockchip_rk817- - rockchip,rk817-codec rockchip,rk817-codec !!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 !!--------------------------- !!Sysfs card info !!--------------- !!Card: /sys/class/sound/card0 Driver: /sys/bus/platform/drivers/asoc-simple-card Tree: /sys/class/sound/card0 |-- controlC0 | |-- dev | |-- device -> ../../card0 | |-- power | |-- subsystem -> ../../../../../../class/sound | `-- uevent |-- device -> ../../../rk817-sound |-- id |-- input1 | |-- capabilities | |-- device -> ../../card0 | |-- event1 | |-- id | |-- modalias | |-- name | |-- phys | |-- power | |-- properties | |-- subsystem -> ../../../../../../class/input | |-- uevent | `-- uniq |-- number |-- pcmC0D0c | |-- dev | |-- device -> ../../card0 | |-- pcm_class | |-- power | |-- subsystem -> ../../../../../../class/sound | `-- uevent |-- pcmC0D0p | |-- dev | |-- device -> ../../card0 | |-- pcm_class | |-- power | |-- subsystem -> ../../../../../../class/sound | `-- uevent |-- power | |-- async | |-- autosuspend_delay_ms | |-- control | |-- runtime_active_kids | |-- runtime_active_time | |-- runtime_enabled | |-- runtime_status | |-- runtime_suspended_time | `-- runtime_usage |-- subsystem -> ../../../../../class/sound `-- uevent !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 2 Aug 22 00:10 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 4 Aug 22 00:10 /dev/snd/pcmC0D0c crw-rw---- 1 root audio 116, 3 Aug 22 00:10 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 1 Aug 22 00:10 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Aug 22 00:10 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Aug 22 00:10 . drwxr-xr-x 3 root root 160 Aug 22 00:10 .. lrwxrwxrwx 1 root root 12 Aug 22 00:10 platform-rk817-sound -> ../controlC0 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: rockchiprk817co [rockchip,rk817-codec], device 0: ff070000.i2s-rk817-hifi rk817-hifi-0 [] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 0: rockchiprk817co [rockchip,rk817-codec], device 0: ff070000.i2s-rk817-hifi rk817-hifi-0 [] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card rockchiprk817co Card hw:0 'rockchiprk817co'/'rockchip,rk817-codec' Mixer name : '' Components : '' Controls : 5 Simple ctrls : 4 Simple mixer control 'Playback',0 Capabilities: volume Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: 0 - 237 Front Left: 189 [80%] [-24.63dB] Front Right: 189 [80%] [-24.63dB] Simple mixer control 'Playback Path',0 Capabilities: enum Items: 'OFF' 'SPK' 'HP' 'SPK_HP' Item0: 'SPK' Simple mixer control 'Capture MIC Path',0 Capabilities: enum Items: 'MIC OFF' 'Main Mic' Item0: 'MIC OFF' Simple mixer control 'Record',0 Capabilities: volume Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: 0 - 255 Front Left: 255 [100%] Front Right: 255 [100%] !!Alsactl output !!-------------- --startcollapse-- state.rockchiprk817co { control.1 { iface MIXER name 'Playback Path' value SPK comment { access 'read write' type ENUMERATED count 1 item.0 OFF item.1 SPK item.2 HP item.3 SPK_HP } } control.2 { iface MIXER name 'Capture MIC Path' value 'MIC OFF' comment { access 'read write' type ENUMERATED count 1 item.0 'MIC OFF' item.1 'Main Mic' } } control.3 { iface MIXER name 'Playback Volume' value.0 189 value.1 189 comment { access 'read write' type INTEGER count 2 range '0 - 237' dbmin -9500 dbmax -675 dbvalue.0 -2463 dbvalue.1 -2463 } } control.4 { iface MIXER name 'Record Volume' value.0 255 value.1 255 comment { access 'read write' type INTEGER count 2 range '0 - 255' } } control.5 { iface CARD name 'Headphone Jack' value true comment { access read type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ 8723bu btbcm btintel btrtl btusb dwc2 gpio_keys ip_tables ipv6 sch_fq_codel x_tables !!ALSA/HDA dmesg !!-------------- !!Packages installed !!-------------------- ii alsa-topology-conf 1.2.2-1 all ALSA topology configuration files ii alsa-ucm-conf 1.2.2-1ubuntu0.9 all ALSA Use Case Manager configuration files ii alsa-utils 1.2.2-1ubuntu2.1 arm64 Utilities for configuring and using ALSA