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

!!Script ran on: Thu Jan 12 07:17:03 UTC 2023


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

ID_LIKE=debian


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

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


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



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

Kernel release:    5.15.84 
Operating System:  GNU/Linux
Architecture:      armv6l
Processor:         unknown
SMP Enabled:       No


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

Driver version:     k5.15.84 
Library version:    1.2.4
Utilities version:  1.2.4


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



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

No sound servers found.


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

--- no soundcards ---


!!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
snd_i2smic_rpi: rpi_platform_generation=0
snd_i2smic_rpi: rpi_platform_generation=0
snd_i2smic_rpi: rpi_platform_generation=0
snd_i2smic_rpi: rpi_platform_generation=0
snd_i2smic_rpi: rpi_platform_generation=0
snd_bcm2835: enable_compat_alsa=0
snd_bcm2835: enable_hdmi=1


!!Loaded sound module options
!!---------------------------


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

crw-rw---- 1 root audio 116,  1 Jan 12 07:17 /dev/snd/seq
crw-rw---- 1 root audio 116, 33 Jan 12 07:57 /dev/snd/timer


!!ALSA configuration files
!!------------------------

!!User specific config file (~/.asoundrc)

#This section makes a reference to your I2S hardware, adjust the card name
# to what is shown in arecord -l after card x: before the name in []
#You may have to adjust channel count also but stick with default first
pcm.dmic_hw {
	type hw
	card sndrpii2scard
	channels 2
	format S32_LE
}

#This is the software volume control, it links to the hardware above and after
# saving the .asoundrc file you can type alsamixer, press F6 to select
# your I2S mic then F4 to set the recording volume and arrow up and down
# to adjust the volume
# After adjusting the volume - go for 50 percent at first, you can do
# something like 
# arecord -D dmic_sv -c2 -r 48000 -f S32_LE -t wav -V mono -v myfile.wav
pcm.dmic_sv {
	type softvol
	slave.pcm dmic_hw
	control {
		name "Boost Capture Volume"
		card sndrpii2scard
	}
	min_dB -5.0
	max_dB 50.0
}


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

APLAY

aplay: device_list:274: no soundcards found...

ARECORD

arecord: device_list:274: no soundcards found...

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


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

--startcollapse--
--endcollapse--


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

8021q
aes_arm
aes_generic
af_alg
algif_hash
algif_skcipher
backlight
bcm2835_codec
bcm2835_isp
bcm2835_mmal_vchiq
bcm2835_v4l2
bluetooth
bnep
brcmfmac
brcmutil
btbcm
cfg80211
cmac
drm
drm_panel_orientation_quirks
ecb
ecc
ecdh_generic
fixed
fuse
garp
hci_uart
ip_tables
ipv6
libaes
libsha256
llc
mc
raspberrypi_hwmon
regmap_mmio
rfkill
sha256_generic
snd
snd_bcm2835
snd_compress
snd_pcm
snd_pcm_dmaengine
snd_soc_bcm2835_i2s
snd_soc_core
snd_timer
stp
uio
uio_pdrv_genirq
v4l2_mem2mem
vc_sm_cma
videobuf2_common
videobuf2_dma_contig
videobuf2_memops
videobuf2_v4l2
videobuf2_vmalloc
videodev
x_tables


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

[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 97440
[    0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 bcm2708_fb.fbwidth=720 bcm2708_fb.fbheight=480 bcm2708_fb.fbswap=1 smsc95xx.macaddr=B8:27:EB:05:B6:A9 vc_mem.mem_base=0x1ec00000 vc_mem.mem_size=0x20000000  console=ttyS0,115200 console=tty1 root=PARTUUID=4d72fc77-02 rootfstype=ext4 fsck.repair=yes rootwait
[    0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes, linear)
--
[   19.303010] [vc_sm_connected_init]: installed successfully
[   20.531042] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned.
[   20.544234] videodev: Linux video capture interface: v2.00


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

ii  alsa-topology-conf                   1.2.4-1                          all          ALSA topology configuration files
ii  alsa-ucm-conf                        1.2.4-2                          all          ALSA Use Case Manager configuration files
ii  alsa-utils                           1.2.4-1 rpt1                     armhf        Utilities for configuring and using ALSA