!!################################
!!ALSA Information Script v 0.4.65
!!################################

!!Script ran on: Tue Nov 11 03:39:26 UTC 2025


!!Linux Distribution
!!------------------

Debian GNU/Linux 11 \n \l PRETTY_NAME="Debian GNU/Linux 11 (bullseye)" NAME="Debian GNU/Linux" ID=debian HOME_URL="https://www.debian.org/" SUPPORT_URL="https://www.debian.org/support" BUG_REPORT_URL="https://bugs.debian.org/"


!!DMI Information
!!---------------

Manufacturer:      
Product Name:      
Product Version:   
Firmware Version:  
System SKU:        
Board Vendor:      
Board Name:        


!!ACPI Device Status Information
!!---------------



!!Kernel Information
!!------------------

Kernel release:    5.10.110
Operating System:  GNU/Linux
Architecture:      aarch64
Processor:         unknown
SMP Enabled:       Yes


!!ALSA Version
!!------------

Driver version:     k5.10.110
Library version:    1.2.4
Utilities version:  1.2.4


!!Loaded ALSA modules
!!-------------------



!!Sound Servers on this system
!!----------------------------

Pulseaudio:
      Installed - Yes (/usr/bin/pulseaudio)
      Running - Yes


!!Soundcards recognised by ALSA
!!-----------------------------

 0 [rockchippdmmica]: rockchip_pdm-mi - rockchip,pdm-mic-array
                      rockchip,pdm-mic-array


!!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
!!---------------------------


!!ALSA Device nodes
!!-----------------

crw-rw----  1 root audio 116,  3 Nov 11 11:37 /dev/snd/controlC0
crw-rw----  1 root audio 116,  2 Nov 11 11:37 /dev/snd/pcmC0D0c
crw-rw----  1 root audio 116,  1 Nov 11 11:37 /dev/snd/seq
crw-rw----  1 root audio 116, 33 Nov 11 11:37 /dev/snd/timer

/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root  60 Nov 11 11:37 .
drwxr-xr-x 3 root root 140 Nov 11 11:37 ..
lrwxrwxrwx 1 root root  12 Nov 11 11:37 platform-pdm-mic-array -> ../controlC0


!!Aplay/Arecord output
!!--------------------

APLAY

**** List of PLAYBACK Hardware Devices ****

ARECORD

**** List of CAPTURE Hardware Devices ****
card 0: rockchippdmmica [rockchip,pdm-mic-array], device 0: fe4b0000.pdm-dummy_codec dummy-codec-0 [fe4b0000.pdm-dummy_codec dummy-codec-0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

!!Amixer output
!!-------------

!!-------Mixer controls for card rockchippdmmica

Card hw:0 'rockchippdmmica'/'rockchip,pdm-mic-array'
  Mixer name	: ''
  Components	: ''
  Controls      : 2
  Simple ctrls  : 0


!!Alsactl output
!!--------------

--startcollapse--
state.rockchippdmmica {
	control.1 {
		iface PCM
		name 'PDM Start Delay Ms'
		value 20
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '0 - 1000 (step 1)'
		}
	}
	control.2 {
		iface PCM
		name 'PDM Filter Delay Ms'
		value 20
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '20 - 1000 (step 1)'
		}
	}
}
--endcollapse--


!!All Loaded Modules
!!------------------



!!ALSA/HDA dmesg
!!--------------

[    4.874369] optee: initialized driver
[    4.875208] usbcore: registered new interface driver snd-usb-audio
[    4.883105] rockchip-pinctrl pinctrl: pin gpio1-20 already requested by npu-usb; cannot claim for es8388-sound
[    4.883133] rockchip-pinctrl pinctrl: pin-52 (es8388-sound) status -22
[    4.883143] rockchip-pinctrl pinctrl: could not request pin 52 (gpio1-20) from group hp-det  on device rockchip-pinctrl
[    4.883151] rk-multicodecs es8388-sound: Error applying setting, reverse things back
[    4.883164] rk-multicodecs: probe of es8388-sound failed with error -22
[    4.883587] Initializing XFRM netlink socket
--
[    6.594060] Mali device driver loaded
[    6.594075] ALSA device list:
[    6.594083]   #0: rockchip,pdm-mic-array


!!Packages installed
!!--------------------

ii  alsa-utils                                  1.2.4-1                            arm64        Utilities for configuring and using ALSA