!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Sat Jan 4 06:18:10 UTC 2020 !!Linux Distribution !!------------------ Arch Linux \r (\l) NAME="Arch Linux ARM" PRETTY_NAME="Arch Linux ARM" ID=archarm ID_LIKE=arch HOME_URL="https://archlinuxarm.org/" DOCUMENTATION_URL="https://archlinuxarm.org/wiki" SUPPORT_URL="https://archlinuxarm.org/forum" BUG_REPORT_URL="https://github.com/archlinuxarm/PKGBUILDs/issues" LOGO=archlinux !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 4.19.88-1-ARCH Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.88-1-ARCH Library version: 1.2.1.2 Utilities version: 1.2.1 !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_soc_iqaudio_dac !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [ALSA ]: bcm2835_alsa - bcm2835 ALSA bcm2835 ALSA 1 [IQaudIODAC ]: IQaudIODAC - IQaudIODAC IQaudIODAC !!PCI Soundcards installed in the system !!-------------------------------------- !!Advanced information - PCI Vendor/Device/Subsystem ID's !!------------------------------------------------------- !!Loaded sound module options !!--------------------------- !!Module: snd_bcm2835 enable_compat_alsa : Y enable_hdmi : N enable_headphones : N force_bulk : N !!Module: snd_soc_iqaudio_dac * : !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Dec 17 12:44 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Dec 17 12:44 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 16 Dec 17 12:44 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 Dec 17 12:44 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 18 Dec 17 12:44 /dev/snd/pcmC0D2p crw-rw---- 1 root audio 116, 48 Dec 17 12:44 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 Dec 17 12:44 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Dec 17 12:44 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Dec 17 12:44 . drwxr-xr-x 3 root root 220 Dec 17 12:44 .. lrwxrwxrwx 1 root root 12 Dec 17 12:44 platform-soc:audio -> ../controlC0 lrwxrwxrwx 1 root root 12 Dec 17 12:44 platform-soc:sound -> ../controlC1 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: ALSA [bcm2835 ALSA], device 0: bcm2835 ALSA [bcm2835 ALSA] Subdevices: 7/7 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 Subdevice #4: subdevice #4 Subdevice #5: subdevice #5 Subdevice #6: subdevice #6 card 0: ALSA [bcm2835 ALSA], device 1: bcm2835 IEC958/HDMI [bcm2835 IEC958/HDMI] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: ALSA [bcm2835 ALSA], device 2: bcm2835 IEC958/HDMI1 [bcm2835 IEC958/HDMI1] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: IQaudIODAC [IQaudIODAC], device 0: IQaudIO DAC HiFi pcm512x-hifi-0 [IQaudIO DAC HiFi pcm512x-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** !!Amixer output !!------------- !!-------Mixer controls for card 0 [ALSA] Card hw:0 'ALSA'/'bcm2835 ALSA' Mixer name : 'Broadcom Mixer' Components : '' Controls : 5 Simple ctrls : 1 Simple mixer control 'PCM',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback -10239 - 400 Mono: Playback 91 [97%] [0.91dB] [on] !!-------Mixer controls for card 1 [IQaudIODAC] Card hw:1 'IQaudIODAC'/'IQaudIODAC' Mixer name : '' Components : '' Controls : 20 Simple ctrls : 19 Simple mixer control 'DSP Program',0 Capabilities: enum Items: 'FIR interpolation with de-emphasis' 'Low latency IIR with de-emphasis' 'High attenuation with de-emphasis' 'Fixed process flow' 'Ringing-less low latency FIR' Item0: 'Ringing-less low latency FIR' Simple mixer control 'Analogue',0 Capabilities: pvolume Playback channels: Front Left - Front Right Limits: Playback 0 - 1 Mono: Front Left: Playback 1 [100%] [0.00dB] Front Right: Playback 1 [100%] [0.00dB] Simple mixer control 'Analogue Playback Boost',0 Capabilities: volume Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: 0 - 1 Front Left: 0 [0%] [0.00dB] Front Right: 0 [0%] [0.00dB] Simple mixer control 'Auto Mute',0 Capabilities: pswitch Playback channels: Front Left - Front Right Mono: Front Left: Playback [on] Front Right: Playback [on] Simple mixer control 'Auto Mute Mono',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'Auto Mute Time Left',0 Capabilities: enum Items: '21ms' '106ms' '213ms' '533ms' '1.07s' '2.13s' '5.33s' '10.66s' Item0: '21ms' Simple mixer control 'Auto Mute Time Right',0 Capabilities: enum Items: '21ms' '106ms' '213ms' '533ms' '1.07s' '2.13s' '5.33s' '10.66s' Item0: '21ms' Simple mixer control 'Clock Missing Period',0 Capabilities: enum Items: '1s' '2s' '3s' '4s' '5s' '6s' '7s' '8s' Item0: '1s' Simple mixer control 'Deemphasis',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'Digital',0 Capabilities: pvolume pswitch Playback channels: Front Left - Front Right Limits: Playback 0 - 207 Mono: Front Left: Playback 207 [100%] [0.00dB] [on] Front Right: Playback 207 [100%] [0.00dB] [on] Simple mixer control 'Max Overclock DAC',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 40 Mono: 0 [0%] Simple mixer control 'Max Overclock DSP',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 40 Mono: 0 [0%] Simple mixer control 'Max Overclock PLL',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 20 Mono: 0 [0%] Simple mixer control 'Volume Ramp Down Emergency Rate',0 Capabilities: enum Items: '1 sample/update' '2 samples/update' '4 samples/update' 'Immediate' Item0: '1 sample/update' Simple mixer control 'Volume Ramp Down Emergency Step',0 Capabilities: enum Items: '4dB/step' '2dB/step' '1dB/step' '0.5dB/step' Item0: '4dB/step' Simple mixer control 'Volume Ramp Down Rate',0 Capabilities: enum Items: '1 sample/update' '2 samples/update' '4 samples/update' 'Immediate' Item0: '1 sample/update' Simple mixer control 'Volume Ramp Down Step',0 Capabilities: enum Items: '4dB/step' '2dB/step' '1dB/step' '0.5dB/step' Item0: '1dB/step' Simple mixer control 'Volume Ramp Up Rate',0 Capabilities: enum Items: '1 sample/update' '2 samples/update' '4 samples/update' 'Immediate' Item0: '1 sample/update' Simple mixer control 'Volume Ramp Up Step',0 Capabilities: enum Items: '4dB/step' '2dB/step' '1dB/step' '0.5dB/step' Item0: '1dB/step' !!Alsactl output !!-------------- --startcollapse-- state.ALSA { control.1 { iface MIXER name 'PCM Playback Volume' value 91 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 91 } } control.2 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.3 { iface MIXER name 'PCM Playback Route' value 0 comment { access 'read write' type INTEGER count 1 range '0 - 3' } } control.4 { iface PCM name 'IEC958 Playback Default' value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read write' type IEC958 count 1 } } control.5 { iface PCM name 'IEC958 Playback Con Mask' value '0200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access read type IEC958 count 1 } } } state.IQaudIODAC { control.1 { iface MIXER name 'Digital Playback Volume' value.0 207 value.1 207 comment { access 'read write' type INTEGER count 2 range '0 - 207' dbmin -9999999 dbmax 0 dbvalue.0 0 dbvalue.1 0 } } control.2 { iface MIXER name 'Analogue Playback Volume' value.0 1 value.1 1 comment { access 'read write' type INTEGER count 2 range '0 - 1' dbmin -600 dbmax 0 dbvalue.0 0 dbvalue.1 0 } } control.3 { iface MIXER name 'Analogue Playback Boost Volume' value.0 0 value.1 0 comment { access 'read write' type INTEGER count 2 range '0 - 1' dbmin 0 dbmax 80 dbvalue.0 0 dbvalue.1 0 } } control.4 { iface MIXER name 'Digital Playback Switch' value.0 true value.1 true comment { access 'read write' type BOOLEAN count 2 } } control.5 { iface MIXER name 'Deemphasis Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.6 { iface MIXER name 'DSP Program' value 'Ringing-less low latency FIR' comment { access 'read write' type ENUMERATED count 1 item.0 'FIR interpolation with de-emphasis' item.1 'Low latency IIR with de-emphasis' item.2 'High attenuation with de-emphasis' item.3 'Fixed process flow' item.4 'Ringing-less low latency FIR' } } control.7 { iface MIXER name 'Clock Missing Period' value '1s' comment { access 'read write' type ENUMERATED count 1 item.0 '1s' item.1 '2s' item.2 '3s' item.3 '4s' item.4 '5s' item.5 '6s' item.6 '7s' item.7 '8s' } } control.8 { iface MIXER name 'Auto Mute Time Left' value '21ms' comment { access 'read write' type ENUMERATED count 1 item.0 '21ms' item.1 '106ms' item.2 '213ms' item.3 '533ms' item.4 '1.07s' item.5 '2.13s' item.6 '5.33s' item.7 '10.66s' } } control.9 { iface MIXER name 'Auto Mute Time Right' value '21ms' comment { access 'read write' type ENUMERATED count 1 item.0 '21ms' item.1 '106ms' item.2 '213ms' item.3 '533ms' item.4 '1.07s' item.5 '2.13s' item.6 '5.33s' item.7 '10.66s' } } control.10 { iface MIXER name 'Auto Mute Mono Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.11 { iface MIXER name 'Auto Mute Switch' value.0 true value.1 true comment { access 'read write' type BOOLEAN count 2 } } control.12 { iface MIXER name 'Volume Ramp Down Rate' value '1 sample/update' comment { access 'read write' type ENUMERATED count 1 item.0 '1 sample/update' item.1 '2 samples/update' item.2 '4 samples/update' item.3 Immediate } } control.13 { iface MIXER name 'Volume Ramp Down Step' value '1dB/step' comment { access 'read write' type ENUMERATED count 1 item.0 '4dB/step' item.1 '2dB/step' item.2 '1dB/step' item.3 '0.5dB/step' } } control.14 { iface MIXER name 'Volume Ramp Up Rate' value '1 sample/update' comment { access 'read write' type ENUMERATED count 1 item.0 '1 sample/update' item.1 '2 samples/update' item.2 '4 samples/update' item.3 Immediate } } control.15 { iface MIXER name 'Volume Ramp Up Step' value '1dB/step' comment { access 'read write' type ENUMERATED count 1 item.0 '4dB/step' item.1 '2dB/step' item.2 '1dB/step' item.3 '0.5dB/step' } } control.16 { iface MIXER name 'Volume Ramp Down Emergency Rate' value '1 sample/update' comment { access 'read write' type ENUMERATED count 1 item.0 '1 sample/update' item.1 '2 samples/update' item.2 '4 samples/update' item.3 Immediate } } control.17 { iface MIXER name 'Volume Ramp Down Emergency Step' value '4dB/step' comment { access 'read write' type ENUMERATED count 1 item.0 '4dB/step' item.1 '2dB/step' item.2 '1dB/step' item.3 '0.5dB/step' } } control.18 { iface MIXER name 'Max Overclock PLL' value 0 comment { access 'read write' type INTEGER count 1 range '0 - 20' } } control.19 { iface MIXER name 'Max Overclock DSP' value 0 comment { access 'read write' type INTEGER count 1 range '0 - 40' } } control.20 { iface MIXER name 'Max Overclock DAC' value 0 comment { access 'read write' type INTEGER count 1 range '0 - 40' } } } --endcollapse-- !!All Loaded Modules !!------------------ Module snd_soc_pcm512x_i2c snd_soc_pcm512x joydev evdev bcm2835_v4l2 bcm2835_codec v4l2_mem2mem bcm2835_mmal_vchiq v4l2_common videobuf2_dma_contig snd_soc_iqaudio_dac raspberrypi_hwmon videobuf2_vmalloc hwmon videobuf2_memops videobuf2_v4l2 videobuf2_common snd_soc_bcm2835_i2s snd_soc_core videodev i2c_bcm2835 snd_compress snd_pcm_dmaengine media bcm2835_rng rng_core rpi_ft5406 uio_pdrv_genirq fixed rpi_backlight uio sch_fq_codel snd_bcm2835 snd_pcm snd_timer snd ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 10.621398] systemd[1]: Started Create list of static device nodes for the current kernel. [ 10.624986] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 10.654249] bcm2835_audio soc:audio: card created with 8 channels -- [ 12.655064] videodev: Linux video capture interface: v2.00 [ 12.705127] snd-rpi-iqaudio-dac soc:sound: ASoC: CODEC DAI pcm512x-hifi not registered - will retry [ 12.726618] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned. -- [ 12.922878] bcm2835-codec bcm2835-codec: Loaded V4L2 isp [ 12.934770] snd-rpi-iqaudio-dac soc:sound: ASoC: CODEC DAI pcm512x-hifi not registered - will retry [ 12.952134] audit: type=1130 audit(1576586689.079:6): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-random-seed comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success' -- [ 13.292427] pcm512x 1-004c: Linked as a consumer to regulator.1 [ 13.314438] snd-rpi-iqaudio-dac soc:sound: pcm512x-hifi <-> 3f203000.i2s mapping ok [ 13.330788] snd-rpi-iqaudio-dac soc:sound: snd_rpi_iqaudio_gpio_unmute: un-muting amp using GPIO22 [ 13.364410] audit: type=1130 audit(1576586689.489:7): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-backlight@backlight:rpi_backlight comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'