!!################################ !!ALSA Information Script v 0.5.3 !!################################ !!Script ran on: Mon Jan 27 18:42:36 UTC 2025 !!Linux Distribution !!------------------ Ubuntu 24.04.1 LTS \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 24.04.1 LTS" PRETTY_NAME="Ubuntu 24.04.1 LTS" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian 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=noble LOGO=ubuntu-logo !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: System SKU: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: #25-Ubuntu SMP Mon Aug 26 23:01:14 UTC 2024 Operating System: GNU/Linux Architecture: aarch64 Processor: aarch64 SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.1.0-1025-rockchip Library version: 1.2.11 Utilities version: 1.2.9 !!Loaded ALSA modules !!------------------- !!Sound Servers on this system !!---------------------------- PipeWire: Installed - Yes (/usr/bin/pipewire) Running - Yes No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [rockchiphdmi0 ]: rockchip-hdmi0 - rockchip-hdmi0 rockchip-hdmi0 1 [rockchiphdmi1 ]: rockchip-hdmi1 - rockchip-hdmi1 rockchip-hdmi1 2 [rockchipes8388 ]: rockchip_es8388 - rockchip,es8388 rockchip,es8388 !!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 snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 snd_usb_audio: index=-2 snd_usb_caiaq: index=-2 snd_usb_ua101: index=-2 snd_usb_us122l: index=-2 snd_usb_usx2y: index=-2 snd_cmipci: mpu_port=0x330 fm_port=0x388 snd_pcsp: index=-2 snd_usb_audio: index=-2 !!Loaded sound module options !!--------------------------- !!Sysfs card info !!--------------- !!Card: /sys/class/sound/card0 Driver: /sys/bus/platform/drivers/rk-hdmi-sound Tree: !!Card: /sys/class/sound/card1 Driver: /sys/bus/platform/drivers/rk-hdmi-sound Tree: !!Card: /sys/class/sound/card2 Driver: /sys/bus/platform/drivers/rk-multicodecs Tree: !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 3 Jan 27 20:51 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 5 Jan 27 20:51 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 8 Jan 27 20:51 /dev/snd/controlC2 crw-rw---- 1 root audio 116, 2 Jan 27 20:51 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 4 Jan 27 20:51 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 7 Jan 27 20:51 /dev/snd/pcmC2D0c crw-rw---- 1 root audio 116, 6 Jan 27 20:51 /dev/snd/pcmC2D0p crw-rw---- 1 root audio 116, 1 Jan 27 20:51 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Jan 27 20:51 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 100 Jan 27 20:51 . drwxr-xr-x 3 root root 240 Jan 27 20:51 .. lrwxrwxrwx 1 root root 12 Jan 27 20:51 platform-es8388-sound -> ../controlC2 lrwxrwxrwx 1 root root 12 Jan 27 20:51 platform-hdmi0-sound -> ../controlC0 lrwxrwxrwx 1 root root 12 Jan 27 20:51 platform-hdmi1-sound -> ../controlC1 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: rockchiphdmi0 [rockchip-hdmi0], device 0: rockchip-hdmi0 i2s-hifi-0 [rockchip-hdmi0 i2s-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: rockchiphdmi1 [rockchip-hdmi1], device 0: rockchip-hdmi1 i2s-hifi-0 [rockchip-hdmi1 i2s-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 2: rockchipes8388 [rockchip,es8388], device 0: dailink-multicodecs ES8323 HiFi-0 [dailink-multicodecs ES8323 HiFi-0] Subdevices: 0/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 2: rockchipes8388 [rockchip,es8388], device 0: dailink-multicodecs ES8323 HiFi-0 [dailink-multicodecs ES8323 HiFi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card rockchiphdmi0 Card sysdefault:0 'rockchiphdmi0'/'rockchip-hdmi0' Mixer name : '' Components : '' Controls : 17 Simple ctrls : 10 Simple mixer control 'I2STDM Digital Loopback Mode',0 Capabilities: enum Items: 'Disabled' 'Mode1' 'Mode2' 'Mode2 Swap' Item0: 'Disabled' Simple mixer control 'ELD Bypass',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'Receive PATH0 Source Select',0 Capabilities: enum Items: 'From SDI0' 'From SDI1' 'From SDI2' 'From SDI3' Item0: 'From SDI0' Simple mixer control 'Receive PATH1 Source Select',0 Capabilities: enum Items: 'From SDI0' 'From SDI1' 'From SDI2' 'From SDI3' Item0: 'From SDI1' Simple mixer control 'Receive PATH2 Source Select',0 Capabilities: enum Items: 'From SDI0' 'From SDI1' 'From SDI2' 'From SDI3' Item0: 'From SDI2' Simple mixer control 'Receive PATH3 Source Select',0 Capabilities: enum Items: 'From SDI0' 'From SDI1' 'From SDI2' 'From SDI3' Item0: 'From SDI3' Simple mixer control 'Transmit SDO0 Source Select',0 Capabilities: enum Items: 'From PATH0' 'From PATH1' 'From PATH2' 'From PATH3' Item0: 'From PATH0' Simple mixer control 'Transmit SDO1 Source Select',0 Capabilities: enum Items: 'From PATH0' 'From PATH1' 'From PATH2' 'From PATH3' Item0: 'From PATH1' Simple mixer control 'Transmit SDO2 Source Select',0 Capabilities: enum Items: 'From PATH0' 'From PATH1' 'From PATH2' 'From PATH3' Item0: 'From PATH2' Simple mixer control 'Transmit SDO3 Source Select',0 Capabilities: enum Items: 'From PATH0' 'From PATH1' 'From PATH2' 'From PATH3' Item0: 'From PATH3' !!-------Mixer controls for card rockchiphdmi1 Card sysdefault:1 'rockchiphdmi1'/'rockchip-hdmi1' Mixer name : '' Components : '' Controls : 17 Simple ctrls : 10 Simple mixer control 'I2STDM Digital Loopback Mode',0 Capabilities: enum Items: 'Disabled' 'Mode1' 'Mode2' 'Mode2 Swap' Item0: 'Disabled' Simple mixer control 'ELD Bypass',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'Receive PATH0 Source Select',0 Capabilities: enum Items: 'From SDI0' 'From SDI1' 'From SDI2' 'From SDI3' Item0: 'From SDI0' Simple mixer control 'Receive PATH1 Source Select',0 Capabilities: enum Items: 'From SDI0' 'From SDI1' 'From SDI2' 'From SDI3' Item0: 'From SDI1' Simple mixer control 'Receive PATH2 Source Select',0 Capabilities: enum Items: 'From SDI0' 'From SDI1' 'From SDI2' 'From SDI3' Item0: 'From SDI2' Simple mixer control 'Receive PATH3 Source Select',0 Capabilities: enum Items: 'From SDI0' 'From SDI1' 'From SDI2' 'From SDI3' Item0: 'From SDI3' Simple mixer control 'Transmit SDO0 Source Select',0 Capabilities: enum Items: 'From PATH0' 'From PATH1' 'From PATH2' 'From PATH3' Item0: 'From PATH0' Simple mixer control 'Transmit SDO1 Source Select',0 Capabilities: enum Items: 'From PATH0' 'From PATH1' 'From PATH2' 'From PATH3' Item0: 'From PATH1' Simple mixer control 'Transmit SDO2 Source Select',0 Capabilities: enum Items: 'From PATH0' 'From PATH1' 'From PATH2' 'From PATH3' Item0: 'From PATH2' Simple mixer control 'Transmit SDO3 Source Select',0 Capabilities: enum Items: 'From PATH0' 'From PATH1' 'From PATH2' 'From PATH3' Item0: 'From PATH3' !!-------Mixer controls for card rockchipes8388 Card sysdefault:2 'rockchipes8388'/'rockchip,es8388' Mixer name : '' Components : '' Controls : 54 Simple ctrls : 48 Simple mixer control 'Headphone',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'Speaker',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'PCM',0 Capabilities: volume Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: 0 - 192 Front Left: 145 [76%] [-23.50dB] Front Right: 145 [76%] [-23.50dB] Simple mixer control 'I2STDM Digital Loopback Mode',0 Capabilities: enum Items: 'Disabled' 'Mode1' 'Mode2' 'Mode2 Swap' Item0: 'Disabled' Simple mixer control 'Mono Mux',0 Capabilities: enum Items: 'Stereo' 'Mono (Left)' 'Mono (Right)' Item0: 'Stereo' Simple mixer control 'Playback De-emphasis',0 Capabilities: enum Items: 'None' '32Khz' '44.1Khz' '48Khz' Item0: 'None' Simple mixer control 'Capture Digital',0 Capabilities: volume Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: 0 - 192 Front Left: 192 [100%] [0.00dB] Front Right: 192 [100%] [0.00dB] Simple mixer control 'Capture Mute',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'Capture Polarity',0 Capabilities: enum Items: 'Normal' 'L Invert' 'R Invert' 'L R Invert' Item0: 'Normal' Simple mixer control '3D Mode',0 Capabilities: enum Items: 'No 3D ' 'Level 1' 'Level 2' 'Level 3' 'Level 4' 'Level 5' 'Level 6' 'Level 7' Item0: 'Level 1' Simple mixer control 'ADC Data Select',0 Capabilities: enum Items: 'Left Right' 'Left Left' 'Right Right' 'Right Left' Item0: 'Left Right' Simple mixer control 'ALC Capture Attack Time',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 15 Mono: 5 [33%] Simple mixer control 'ALC Capture Decay Time',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 15 Mono: 0 [0%] Simple mixer control 'ALC Capture Function',0 Capabilities: enum Items: 'Off' 'Right' 'Left' 'Stereo' Item0: 'Off' Simple mixer control 'ALC Capture Hold Time',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 15 Mono: 0 [0%] Simple mixer control 'ALC Capture Max PGA',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 7 Mono: 0 [0%] Simple mixer control 'ALC Capture Min PGA',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 7 Mono: 0 [0%] Simple mixer control 'ALC Capture NG',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'ALC Capture NG Threshold',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 31 Mono: 10 [32%] Simple mixer control 'ALC Capture NG Type',0 Capabilities: enum Items: 'Constant PGA Gain' 'Mute ADC Output' Item0: 'Mute ADC Output' Simple mixer control 'ALC Capture Target',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 15 Mono: 12 [80%] Simple mixer control 'ALC Capture ZC',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'Differential Mux',0 Capabilities: enum Items: 'Line 1' 'Line 2' Item0: 'Line 2' Simple mixer control 'Headset Mic',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'Left Channel',0 Capabilities: cvolume cvolume-joined Capture channels: Mono Limits: Capture 0 - 8 Mono: Capture 0 [0%] [0.00dB] Simple mixer control 'Left Line Mux',0 Capabilities: enum Items: 'Line 1L' 'Line 2L' 'NC' 'MicL' Item0: 'Line 1L' Simple mixer control 'Left Mixer Left',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'Left Mixer Left Bypass',0 Capabilities: volume volume-joined pswitch pswitch-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 7 Mono: 0 [0%] [-0.15dB] Playback [off] Simple mixer control 'Left PGA Mux',0 Capabilities: enum Items: 'Line 1L' 'Line 2L' 'DifferentialL' Item0: 'DifferentialL' Simple mixer control 'Main Mic',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'Output 1',0 Capabilities: pvolume Playback channels: Front Left - Front Right Limits: Playback 0 - 33 Mono: Front Left: Playback 30 [91%] [0.00dB] Front Right: Playback 30 [91%] [0.00dB] Simple mixer control 'Output 2',0 Capabilities: pvolume Playback channels: Front Left - Front Right Limits: Playback 0 - 33 Mono: Front Left: Playback 30 [91%] [0.00dB] Front Right: Playback 30 [91%] [0.00dB] Simple mixer control 'Receive PATH0 Source Select',0 Capabilities: enum Items: 'From SDI0' 'From SDI1' 'From SDI2' 'From SDI3' Item0: 'From SDI0' Simple mixer control 'Receive PATH1 Source Select',0 Capabilities: enum Items: 'From SDI0' 'From SDI1' 'From SDI2' 'From SDI3' Item0: 'From SDI1' Simple mixer control 'Receive PATH2 Source Select',0 Capabilities: enum Items: 'From SDI0' 'From SDI1' 'From SDI2' 'From SDI3' Item0: 'From SDI2' Simple mixer control 'Receive PATH3 Source Select',0 Capabilities: enum Items: 'From SDI0' 'From SDI1' 'From SDI2' 'From SDI3' Item0: 'From SDI3' Simple mixer control 'Right Channel',0 Capabilities: cvolume cvolume-joined Capture channels: Mono Limits: Capture 0 - 8 Mono: Capture 0 [0%] [0.00dB] Simple mixer control 'Right Line Mux',0 Capabilities: enum Items: 'Line 1R' 'Line 2R' 'NC' 'MicR' Item0: 'Line 1R' Simple mixer control 'Right Mixer Right',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'Right Mixer Right Bypass',0 Capabilities: volume volume-joined pswitch pswitch-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 7 Mono: 0 [0%] [-0.15dB] Playback [off] Simple mixer control 'Right PGA Mux',0 Capabilities: enum Items: 'Line 1R' 'Line 2R' 'DifferentialR' Item0: 'DifferentialR' Simple mixer control 'Transmit SDO0 Source Select',0 Capabilities: enum Items: 'From PATH0' 'From PATH1' 'From PATH2' 'From PATH3' Item0: 'From PATH0' Simple mixer control 'Transmit SDO1 Source Select',0 Capabilities: enum Items: 'From PATH0' 'From PATH1' 'From PATH2' 'From PATH3' Item0: 'From PATH1' Simple mixer control 'Transmit SDO2 Source Select',0 Capabilities: enum Items: 'From PATH0' 'From PATH1' 'From PATH2' 'From PATH3' Item0: 'From PATH2' Simple mixer control 'Transmit SDO3 Source Select',0 Capabilities: enum Items: 'From PATH0' 'From PATH1' 'From PATH2' 'From PATH3' Item0: 'From PATH3' Simple mixer control 'ZC Timeout',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'hp switch',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'spk switch',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] !!Alsactl output !!-------------- --startcollapse-- state.rockchiphdmi0 { control.1 { iface MIXER name 'Receive PATH3 Source Select' value 'From SDI3' comment { access 'read write' type ENUMERATED count 1 item.0 'From SDI0' item.1 'From SDI1' item.2 'From SDI2' item.3 'From SDI3' } } control.2 { iface MIXER name 'Receive PATH2 Source Select' value 'From SDI2' comment { access 'read write' type ENUMERATED count 1 item.0 'From SDI0' item.1 'From SDI1' item.2 'From SDI2' item.3 'From SDI3' } } control.3 { iface MIXER name 'Receive PATH1 Source Select' value 'From SDI1' comment { access 'read write' type ENUMERATED count 1 item.0 'From SDI0' item.1 'From SDI1' item.2 'From SDI2' item.3 'From SDI3' } } control.4 { iface MIXER name 'Receive PATH0 Source Select' value 'From SDI0' comment { access 'read write' type ENUMERATED count 1 item.0 'From SDI0' item.1 'From SDI1' item.2 'From SDI2' item.3 'From SDI3' } } control.5 { iface MIXER name 'Transmit SDO3 Source Select' value 'From PATH3' comment { access 'read write' type ENUMERATED count 1 item.0 'From PATH0' item.1 'From PATH1' item.2 'From PATH2' item.3 'From PATH3' } } control.6 { iface MIXER name 'Transmit SDO2 Source Select' value 'From PATH2' comment { access 'read write' type ENUMERATED count 1 item.0 'From PATH0' item.1 'From PATH1' item.2 'From PATH2' item.3 'From PATH3' } } control.7 { iface MIXER name 'Transmit SDO1 Source Select' value 'From PATH1' comment { access 'read write' type ENUMERATED count 1 item.0 'From PATH0' item.1 'From PATH1' item.2 'From PATH2' item.3 'From PATH3' } } control.8 { iface MIXER name 'Transmit SDO0 Source Select' value 'From PATH0' comment { access 'read write' type ENUMERATED count 1 item.0 'From PATH0' item.1 'From PATH1' item.2 'From PATH2' item.3 'From PATH3' } } control.9 { iface MIXER name 'I2STDM Digital Loopback Mode' value Disabled comment { access 'read write' type ENUMERATED count 1 item.0 Disabled item.1 Mode1 item.2 Mode2 item.3 'Mode2 Swap' } } control.10 { iface PCM name 'PCM Read Wait Time MS' value 0 comment { access 'read write' type INTEGER count 1 range '0 - 10000 (step 1)' } } control.11 { iface PCM name 'PCM Write Wait Time MS' value 0 comment { access 'read write' type INTEGER count 1 range '0 - 10000 (step 1)' } } control.12 { iface CARD name 'rockchip-hdmi0 Jack' value false comment { access read type BOOLEAN count 1 } } control.13 { 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 type INTEGER count 8 range '0 - 36' } } control.14 { iface PCM name 'IEC958 Playback Mask' value ffffffffffffffffffffffffffffffffffffffffffffffff0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 comment { access read type IEC958 count 1 } } control.15 { iface PCM name 'IEC958 Playback Default' value '0400000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read write' type IEC958 count 1 } } control.16 { iface PCM name ELD value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read volatile' type BYTES count 128 } } control.17 { iface MIXER name 'ELD Bypass Switch' value false comment { access 'read write' type BOOLEAN count 1 } } } state.rockchiphdmi1 { control.1 { iface MIXER name 'Receive PATH3 Source Select' value 'From SDI3' comment { access 'read write' type ENUMERATED count 1 item.0 'From SDI0' item.1 'From SDI1' item.2 'From SDI2' item.3 'From SDI3' } } control.2 { iface MIXER name 'Receive PATH2 Source Select' value 'From SDI2' comment { access 'read write' type ENUMERATED count 1 item.0 'From SDI0' item.1 'From SDI1' item.2 'From SDI2' item.3 'From SDI3' } } control.3 { iface MIXER name 'Receive PATH1 Source Select' value 'From SDI1' comment { access 'read write' type ENUMERATED count 1 item.0 'From SDI0' item.1 'From SDI1' item.2 'From SDI2' item.3 'From SDI3' } } control.4 { iface MIXER name 'Receive PATH0 Source Select' value 'From SDI0' comment { access 'read write' type ENUMERATED count 1 item.0 'From SDI0' item.1 'From SDI1' item.2 'From SDI2' item.3 'From SDI3' } } control.5 { iface MIXER name 'Transmit SDO3 Source Select' value 'From PATH3' comment { access 'read write' type ENUMERATED count 1 item.0 'From PATH0' item.1 'From PATH1' item.2 'From PATH2' item.3 'From PATH3' } } control.6 { iface MIXER name 'Transmit SDO2 Source Select' value 'From PATH2' comment { access 'read write' type ENUMERATED count 1 item.0 'From PATH0' item.1 'From PATH1' item.2 'From PATH2' item.3 'From PATH3' } } control.7 { iface MIXER name 'Transmit SDO1 Source Select' value 'From PATH1' comment { access 'read write' type ENUMERATED count 1 item.0 'From PATH0' item.1 'From PATH1' item.2 'From PATH2' item.3 'From PATH3' } } control.8 { iface MIXER name 'Transmit SDO0 Source Select' value 'From PATH0' comment { access 'read write' type ENUMERATED count 1 item.0 'From PATH0' item.1 'From PATH1' item.2 'From PATH2' item.3 'From PATH3' } } control.9 { iface MIXER name 'I2STDM Digital Loopback Mode' value Disabled comment { access 'read write' type ENUMERATED count 1 item.0 Disabled item.1 Mode1 item.2 Mode2 item.3 'Mode2 Swap' } } control.10 { iface PCM name 'PCM Read Wait Time MS' value 0 comment { access 'read write' type INTEGER count 1 range '0 - 10000 (step 1)' } } control.11 { iface PCM name 'PCM Write Wait Time MS' value 0 comment { access 'read write' type INTEGER count 1 range '0 - 10000 (step 1)' } } control.12 { iface CARD name 'rockchip-hdmi1 Jack' value true comment { access read type BOOLEAN count 1 } } control.13 { 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 type INTEGER count 8 range '0 - 36' } } control.14 { iface PCM name 'IEC958 Playback Mask' value ffffffffffffffffffffffffffffffffffffffffffffffff0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 comment { access read type IEC958 count 1 } } control.15 { iface PCM name 'IEC958 Playback Default' value '0400000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read write' type IEC958 count 1 } } control.16 { iface PCM name ELD value '10000b0067600001000000000000000020a33000484953454e53450907071507505704013d07c06704035f7e010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read volatile' type BYTES count 128 } } control.17 { iface MIXER name 'ELD Bypass Switch' value false comment { access 'read write' type BOOLEAN count 1 } } } state.rockchipes8388 { control.1 { iface MIXER name 'Receive PATH3 Source Select' value 'From SDI3' comment { access 'read write' type ENUMERATED count 1 item.0 'From SDI0' item.1 'From SDI1' item.2 'From SDI2' item.3 'From SDI3' } } control.2 { iface MIXER name 'Receive PATH2 Source Select' value 'From SDI2' comment { access 'read write' type ENUMERATED count 1 item.0 'From SDI0' item.1 'From SDI1' item.2 'From SDI2' item.3 'From SDI3' } } control.3 { iface MIXER name 'Receive PATH1 Source Select' value 'From SDI1' comment { access 'read write' type ENUMERATED count 1 item.0 'From SDI0' item.1 'From SDI1' item.2 'From SDI2' item.3 'From SDI3' } } control.4 { iface MIXER name 'Receive PATH0 Source Select' value 'From SDI0' comment { access 'read write' type ENUMERATED count 1 item.0 'From SDI0' item.1 'From SDI1' item.2 'From SDI2' item.3 'From SDI3' } } control.5 { iface MIXER name 'Transmit SDO3 Source Select' value 'From PATH3' comment { access 'read write' type ENUMERATED count 1 item.0 'From PATH0' item.1 'From PATH1' item.2 'From PATH2' item.3 'From PATH3' } } control.6 { iface MIXER name 'Transmit SDO2 Source Select' value 'From PATH2' comment { access 'read write' type ENUMERATED count 1 item.0 'From PATH0' item.1 'From PATH1' item.2 'From PATH2' item.3 'From PATH3' } } control.7 { iface MIXER name 'Transmit SDO1 Source Select' value 'From PATH1' comment { access 'read write' type ENUMERATED count 1 item.0 'From PATH0' item.1 'From PATH1' item.2 'From PATH2' item.3 'From PATH3' } } control.8 { iface MIXER name 'Transmit SDO0 Source Select' value 'From PATH0' comment { access 'read write' type ENUMERATED count 1 item.0 'From PATH0' item.1 'From PATH1' item.2 'From PATH2' item.3 'From PATH3' } } control.9 { iface MIXER name 'I2STDM Digital Loopback Mode' value Disabled comment { access 'read write' type ENUMERATED count 1 item.0 Disabled item.1 Mode1 item.2 Mode2 item.3 'Mode2 Swap' } } control.10 { iface PCM name 'PCM Read Wait Time MS' value 0 comment { access 'read write' type INTEGER count 1 range '0 - 10000 (step 1)' } } control.11 { iface PCM name 'PCM Write Wait Time MS' value 0 comment { access 'read write' type INTEGER count 1 range '0 - 10000 (step 1)' } } control.12 { iface MIXER name '3D Mode' value 'Level 1' comment { access 'read write' type ENUMERATED count 1 item.0 'No 3D ' item.1 'Level 1' item.2 'Level 2' item.3 'Level 3' item.4 'Level 4' item.5 'Level 5' item.6 'Level 6' item.7 'Level 7' } } control.13 { iface MIXER name 'ALC Capture Target Volume' value 12 comment { access 'read write' type INTEGER count 1 range '0 - 15' } } control.14 { iface MIXER name 'ALC Capture Max PGA' value 0 comment { access 'read write' type INTEGER count 1 range '0 - 7' } } control.15 { iface MIXER name 'ALC Capture Min PGA' value 0 comment { access 'read write' type INTEGER count 1 range '0 - 7' } } control.16 { iface MIXER name 'ALC Capture Function' value Off comment { access 'read write' type ENUMERATED count 1 item.0 Off item.1 Right item.2 Left item.3 Stereo } } control.17 { iface MIXER name 'ALC Capture ZC Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.18 { iface MIXER name 'ALC Capture Hold Time' value 0 comment { access 'read write' type INTEGER count 1 range '0 - 15' } } control.19 { iface MIXER name 'ALC Capture Decay Time' value 0 comment { access 'read write' type INTEGER count 1 range '0 - 15' } } control.20 { iface MIXER name 'ALC Capture Attack Time' value 5 comment { access 'read write' type INTEGER count 1 range '0 - 15' } } control.21 { iface MIXER name 'ALC Capture NG Threshold' value 10 comment { access 'read write' type INTEGER count 1 range '0 - 31' } } control.22 { iface MIXER name 'ALC Capture NG Type' value 'Mute ADC Output' comment { access 'read write' type ENUMERATED count 1 item.0 'Constant PGA Gain' item.1 'Mute ADC Output' } } control.23 { iface MIXER name 'ALC Capture NG Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.24 { iface MIXER name 'ZC Timeout Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.25 { iface MIXER name 'Capture Digital Volume' value.0 192 value.1 192 comment { access 'read write' type INTEGER count 2 range '0 - 192' dbmin -9999999 dbmax 0 dbvalue.0 0 dbvalue.1 0 } } control.26 { iface MIXER name 'Capture Mute' value false comment { access 'read write' type BOOLEAN count 1 } } control.27 { iface MIXER name 'Left Channel Capture Volume' value 0 comment { access 'read write' type INTEGER count 1 range '0 - 8' dbmin 0 dbmax 2400 dbvalue.0 0 } } control.28 { iface MIXER name 'Right Channel Capture Volume' value 0 comment { access 'read write' type INTEGER count 1 range '0 - 8' dbmin 0 dbmax 2400 dbvalue.0 0 } } control.29 { iface MIXER name 'Playback De-emphasis' value None comment { access 'read write' type ENUMERATED count 1 item.0 None item.1 '32Khz' item.2 '44.1Khz' item.3 '48Khz' } } control.30 { iface MIXER name 'Capture Polarity' value Normal comment { access 'read write' type ENUMERATED count 1 item.0 Normal item.1 'L Invert' item.2 'R Invert' item.3 'L R Invert' } } control.31 { iface MIXER name 'PCM Volume' value.0 145 value.1 145 comment { access 'read write' type INTEGER count 2 range '0 - 192' dbmin -9999999 dbmax 0 dbvalue.0 -2350 dbvalue.1 -2350 } } control.32 { iface MIXER name 'Left Mixer Left Bypass Volume' value 0 comment { access 'read write' type INTEGER count 1 range '0 - 7' dbmin -15 dbmax 2085 dbvalue.0 -15 } } control.33 { iface MIXER name 'Right Mixer Right Bypass Volume' value 0 comment { access 'read write' type INTEGER count 1 range '0 - 7' dbmin -15 dbmax 2085 dbvalue.0 -15 } } control.34 { iface MIXER name 'Output 1 Playback Volume' value.0 30 value.1 30 comment { access 'read write' type INTEGER count 2 range '0 - 33' dbmin -4500 dbmax 450 dbvalue.0 0 dbvalue.1 0 } } control.35 { iface MIXER name 'Output 2 Playback Volume' value.0 30 value.1 30 comment { access 'read write' type INTEGER count 2 range '0 - 33' dbmin -4500 dbmax 450 dbvalue.0 0 dbvalue.1 0 } } control.36 { iface MIXER name 'ADC Data Select' value 'Left Right' comment { access 'read write' type ENUMERATED count 1 item.0 'Left Right' item.1 'Left Left' item.2 'Right Right' item.3 'Right Left' } } control.37 { iface CARD name 'Headphone Jack' value false comment { access read type BOOLEAN count 1 } } control.38 { iface CARD name 'Headset Mic Jack' value false comment { access read type BOOLEAN count 1 } } control.39 { iface MIXER name 'spk switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.40 { iface MIXER name 'hp switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.41 { iface MIXER name 'Headphone Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.42 { iface MIXER name 'Speaker Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.43 { iface MIXER name 'Main Mic Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.44 { iface MIXER name 'Headset Mic Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.45 { iface MIXER name 'Left PGA Mux' value DifferentialL comment { access 'read write' type ENUMERATED count 1 item.0 'Line 1L' item.1 'Line 2L' item.2 DifferentialL } } control.46 { iface MIXER name 'Right PGA Mux' value DifferentialR comment { access 'read write' type ENUMERATED count 1 item.0 'Line 1R' item.1 'Line 2R' item.2 DifferentialR } } control.47 { iface MIXER name 'Differential Mux' value 'Line 2' comment { access 'read write' type ENUMERATED count 1 item.0 'Line 1' item.1 'Line 2' } } control.48 { iface MIXER name 'Mono Mux' value Stereo comment { access 'read write' type ENUMERATED count 1 item.0 Stereo item.1 'Mono (Left)' item.2 'Mono (Right)' } } control.49 { iface MIXER name 'Left Line Mux' value 'Line 1L' comment { access 'read write' type ENUMERATED count 1 item.0 'Line 1L' item.1 'Line 2L' item.2 NC item.3 MicL } } control.50 { iface MIXER name 'Right Line Mux' value 'Line 1R' comment { access 'read write' type ENUMERATED count 1 item.0 'Line 1R' item.1 'Line 2R' item.2 NC item.3 MicR } } control.51 { iface MIXER name 'Left Mixer Left Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.52 { iface MIXER name 'Left Mixer Left Bypass Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.53 { iface MIXER name 'Right Mixer Right Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.54 { iface MIXER name 'Right Mixer Right Bypass Switch' value false comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ adc_keys bcmdhd_sdio binfmt_misc bnep bridge btbcm btintel btmtk btqca btrtl btsdio btusb dhd_static_buf_sdio dm_mod drm_shmem_helper fuse gpu_sched hci_uart hidp input_leds ip_tables ipv6 joydev llc nf_conntrack nf_conntrack_netlink nf_defrag_ipv4 nf_defrag_ipv6 nf_nat nf_tables nfnetlink nft_chain_nat nft_compat overlay panfrost pwm_bl pwm_fan qrtr r8169 rfcomm sch_fq_codel squashfs stp uio uio_pdrv_genirq veth xt_MASQUERADE xt_addrtype xt_conntrack xt_nat !!ALSA/HDA dmesg !!-------------- [ 11.825815] mpp_service mpp-srv: probe success [ 11.832234] rockchip-pm-domain fd8d8000.power-management:power-controller: Looking up audio-supply from device tree [ 11.832259] rockchip-pm-domain fd8d8000.power-management:power-controller: Looking up audio-supply property in node /power-management@fd8d8000/power-controller failed [ 11.836031] rk-pcie fe150000.pcie: host bridge /pcie@fe150000 ranges: -- [ 11.939567] dwhdmi-rockchip fdea0000.hdmi: use tmds mode [ 11.939609] rockchip-vop2 fdd90000.vop: [drm:vop2_crtc_atomic_enable] Update mode to 3840x2160p60, type: 11(if:HDMI1, flag:0x0) for vp1 dclk: 594000000 [ 11.939793] rockchip-vop2 fdd90000.vop: [drm:vop2_crtc_atomic_enable] dclk_out1 div: 0 dclk_core1 div: 2 -- [ 12.240458] rockchip-vop2 fdd90000.vop: [drm:vop2_power_domain_off_by_disabled_vp] *ERROR* unexpected power on pd5 [ 12.274436] rockchip-vop2 fdd90000.vop: [drm:vop2_crtc_atomic_enable] Update mode to 3840x2160p60, type: 11(if:HDMI1, flag:0x0) for vp1 dclk: 594000000 [ 12.274591] rockchip-vop2 fdd90000.vop: [drm:vop2_crtc_atomic_enable] dclk_out1 div: 0 dclk_core1 div: 2 -- [ 12.621911] optee: probe of firmware:optee failed with error -22 [ 12.622205] usbcore: registered new interface driver snd-usb-audio [ 12.623621] [Awinic] aw87xxx_pa_init:driver version: v2.2.0 -- [ 12.624731] rockchip-i2s-tdm fddf4000.i2s: CLK-ALWAYS-ON: mclk: 12288000, bclk: 3072000, fsync: 48000 [ 12.626023] input: rockchip-hdmi0 rockchip-hdmi0 as /devices/platform/hdmi0-sound/sound/card0/input1 [ 12.626759] input: rockchip-hdmi1 rockchip-hdmi1 as /devices/platform/hdmi1-sound/sound/card1/input2 [ 12.627278] input: headset-keys as /devices/platform/es8388-sound/input/input3 [ 12.632680] mmc_host mmc1: Bus speed (slot 0) = 400000Hz (slot req 400000Hz, actual 400000HZ div = 0) -- [ 12.648304] mmc0: SDHCI controller on fe2e0000.mmc [fe2e0000.mmc] using ADMA [ 12.684114] input: rockchip,es8388 Headset as /devices/platform/es8388-sound/sound/card2/input4 [ 12.709183] Initializing XFRM netlink socket -- [ 12.781071] rockchip-suspend not set wakeup-config for mem-ultra [ 12.781596] ALSA device list: [ 12.781598] #0: rockchip-hdmi0 -- [ 18.144439] mmc_host mmc2: Bus speed (slot 0) = 150000000Hz (slot req 150000000Hz, actual 150000000HZ div = 0) [ 18.252003] hdmi-audio-codec hdmi-audio-codec.7.auto: Not able to map channels to speakers (-22) [ 18.252023] hdmi-audio-codec hdmi-audio-codec.7.auto: ASoC: error at snd_soc_dai_hw_params on i2s-hifi: -22 [ 18.252030] rockchip-hdmi1: ASoC: error at __soc_pcm_hw_params on rockchip-hdmi1: -22 [ 18.252050] hdmi-audio-codec hdmi-audio-codec.7.auto: Not able to map channels to speakers (-22) [ 18.252054] hdmi-audio-codec hdmi-audio-codec.7.auto: ASoC: error at snd_soc_dai_hw_params on i2s-hifi: -22 [ 18.252059] rockchip-hdmi1: ASoC: error at __soc_pcm_hw_params on rockchip-hdmi1: -22 [ 18.252076] hdmi-audio-codec hdmi-audio-codec.7.auto: Not able to map channels to speakers (-22) [ 18.252081] hdmi-audio-codec hdmi-audio-codec.7.auto: ASoC: error at snd_soc_dai_hw_params on i2s-hifi: -22 [ 18.252085] rockchip-hdmi1: ASoC: error at __soc_pcm_hw_params on rockchip-hdmi1: -22 [ 18.252100] hdmi-audio-codec hdmi-audio-codec.7.auto: Not able to map channels to speakers (-22) [ 18.252105] hdmi-audio-codec hdmi-audio-codec.7.auto: ASoC: error at snd_soc_dai_hw_params on i2s-hifi: -22 [ 18.252109] rockchip-hdmi1: ASoC: error at __soc_pcm_hw_params on rockchip-hdmi1: -22 [ 18.252126] hdmi-audio-codec hdmi-audio-codec.7.auto: Not able to map channels to speakers (-22) [ 18.252131] hdmi-audio-codec hdmi-audio-codec.7.auto: ASoC: error at snd_soc_dai_hw_params on i2s-hifi: -22 [ 18.252135] rockchip-hdmi1: ASoC: error at __soc_pcm_hw_params on rockchip-hdmi1: -22 [ 18.252282] hdmi-audio-codec hdmi-audio-codec.7.auto: Not able to map channels to speakers (-22) [ 18.252291] hdmi-audio-codec hdmi-audio-codec.7.auto: ASoC: error at snd_soc_dai_hw_params on i2s-hifi: -22 [ 18.252295] rockchip-hdmi1: ASoC: error at __soc_pcm_hw_params on rockchip-hdmi1: -22 [ 18.252312] hdmi-audio-codec hdmi-audio-codec.7.auto: Not able to map channels to speakers (-22) [ 18.252316] hdmi-audio-codec hdmi-audio-codec.7.auto: ASoC: error at snd_soc_dai_hw_params on i2s-hifi: -22 [ 18.252320] rockchip-hdmi1: ASoC: error at __soc_pcm_hw_params on rockchip-hdmi1: -22 [ 18.252336] hdmi-audio-codec hdmi-audio-codec.7.auto: Not able to map channels to speakers (-22) [ 18.252341] hdmi-audio-codec hdmi-audio-codec.7.auto: ASoC: error at snd_soc_dai_hw_params on i2s-hifi: -22 [ 18.252382] rockchip-hdmi1: ASoC: error at __soc_pcm_hw_params on rockchip-hdmi1: -22 [ 18.252400] hdmi-audio-codec hdmi-audio-codec.7.auto: Not able to map channels to speakers (-22) [ 18.252405] hdmi-audio-codec hdmi-audio-codec.7.auto: ASoC: error at snd_soc_dai_hw_params on i2s-hifi: -22 [ 18.252409] rockchip-hdmi1: ASoC: error at __soc_pcm_hw_params on rockchip-hdmi1: -22 [ 18.252426] hdmi-audio-codec hdmi-audio-codec.7.auto: Not able to map channels to speakers (-22) [ 18.252431] hdmi-audio-codec hdmi-audio-codec.7.auto: ASoC: error at snd_soc_dai_hw_params on i2s-hifi: -22 [ 18.252435] rockchip-hdmi1: ASoC: error at __soc_pcm_hw_params on rockchip-hdmi1: -22 [ 18.252710] hdmi-audio-codec hdmi-audio-codec.7.auto: Not able to map channels to speakers (-22) [ 18.252719] hdmi-audio-codec hdmi-audio-codec.7.auto: ASoC: error at snd_soc_dai_hw_params on i2s-hifi: -22 [ 18.252724] rockchip-hdmi1: ASoC: error at __soc_pcm_hw_params on rockchip-hdmi1: -22 [ 18.252787] hdmi-audio-codec hdmi-audio-codec.7.auto: Not able to map channels to speakers (-22) [ 18.252791] hdmi-audio-codec hdmi-audio-codec.7.auto: ASoC: error at snd_soc_dai_hw_params on i2s-hifi: -22 [ 18.252795] rockchip-hdmi1: ASoC: error at __soc_pcm_hw_params on rockchip-hdmi1: -22 [ 18.252858] hdmi-audio-codec hdmi-audio-codec.7.auto: Not able to map channels to speakers (-22) [ 18.252862] hdmi-audio-codec hdmi-audio-codec.7.auto: ASoC: error at snd_soc_dai_hw_params on i2s-hifi: -22 [ 18.252866] rockchip-hdmi1: ASoC: error at __soc_pcm_hw_params on rockchip-hdmi1: -22 [ 18.252927] hdmi-audio-codec hdmi-audio-codec.7.auto: Not able to map channels to speakers (-22) [ 18.252931] hdmi-audio-codec hdmi-audio-codec.7.auto: ASoC: error at snd_soc_dai_hw_params on i2s-hifi: -22 [ 18.252935] rockchip-hdmi1: ASoC: error at __soc_pcm_hw_params on rockchip-hdmi1: -22 [ 18.252998] hdmi-audio-codec hdmi-audio-codec.7.auto: Not able to map channels to speakers (-22) [ 18.253002] hdmi-audio-codec hdmi-audio-codec.7.auto: ASoC: error at snd_soc_dai_hw_params on i2s-hifi: -22 [ 18.253006] rockchip-hdmi1: ASoC: error at __soc_pcm_hw_params on rockchip-hdmi1: -22 [ 18.253300] hdmi-audio-codec hdmi-audio-codec.7.auto: Not able to map channels to speakers (-22) [ 18.253307] hdmi-audio-codec hdmi-audio-codec.7.auto: ASoC: error at snd_soc_dai_hw_params on i2s-hifi: -22 [ 18.253312] rockchip-hdmi1: ASoC: error at __soc_pcm_hw_params on rockchip-hdmi1: -22 [ 18.253390] hdmi-audio-codec hdmi-audio-codec.7.auto: Not able to map channels to speakers (-22) [ 18.253395] hdmi-audio-codec hdmi-audio-codec.7.auto: ASoC: error at snd_soc_dai_hw_params on i2s-hifi: -22 [ 18.253399] rockchip-hdmi1: ASoC: error at __soc_pcm_hw_params on rockchip-hdmi1: -22 [ 18.253478] hdmi-audio-codec hdmi-audio-codec.7.auto: Not able to map channels to speakers (-22) [ 18.253482] hdmi-audio-codec hdmi-audio-codec.7.auto: ASoC: error at snd_soc_dai_hw_params on i2s-hifi: -22 [ 18.253486] rockchip-hdmi1: ASoC: error at __soc_pcm_hw_params on rockchip-hdmi1: -22 [ 18.253563] hdmi-audio-codec hdmi-audio-codec.7.auto: Not able to map channels to speakers (-22) [ 18.253567] hdmi-audio-codec hdmi-audio-codec.7.auto: ASoC: error at snd_soc_dai_hw_params on i2s-hifi: -22 [ 18.253571] rockchip-hdmi1: ASoC: error at __soc_pcm_hw_params on rockchip-hdmi1: -22 [ 18.253650] hdmi-audio-codec hdmi-audio-codec.7.auto: Not able to map channels to speakers (-22) [ 18.253654] hdmi-audio-codec hdmi-audio-codec.7.auto: ASoC: error at snd_soc_dai_hw_params on i2s-hifi: -22 [ 18.253659] rockchip-hdmi1: ASoC: error at __soc_pcm_hw_params on rockchip-hdmi1: -22 -- [ 1557.025320] rockchip-pm-domain fd8d8000.power-management:power-controller: Looking up vop-supply property in node /power-management@fd8d8000/power-controller failed [ 1612.777615] rockchip-vop2 fdd90000.vop: [drm:vop2_crtc_atomic_enable] Update mode to 3840x2160p60, type: 11(if:HDMI1, flag:0x0) for vp1 dclk: 594000000 [ 1612.777781] rockchip-hdptx-phy-hdmi fed70000.hdmiphy: hdptx_ropll_cmn_config bus_width:5aa320 rate:5940000 !!Packages installed !!-------------------- ii alsa-topology-conf 1.2.5.1-2 all ALSA topology configuration files ii alsa-ucm-conf 1.2.10-1ubuntu5 all ALSA Use Case Manager configuration files ii alsa-utils 1.2.9-1ubuntu5 arm64 Utilities for configuring and using ALSA