!!################################
!!ALSA Information Script v 0.5.0
!!################################

!!Script ran on: Tue Sep 21 16:20:23 UTC 2021


!!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:    5.10.60-v7l 
Operating System:  GNU/Linux
Architecture:      armv7l
Processor:         unknown
SMP Enabled:       Yes


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

Driver version:     k5.10.60-v7l 
Library version:    1.1.8
Utilities version:  1.1.8


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

snd_soc_simple_card (card 0)
snd_bcm2835 (card 1)
snd_bcm2835 (card 2)


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

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


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

 0 [sndrpii2scard  ]: snd_rpi_i2s_car - snd_rpi_i2s_card
                      snd_rpi_i2s_card
 1 [b1             ]: bcm2835_hdmi - bcm2835 HDMI 1
                      bcm2835 HDMI 1
 2 [Headphones     ]: bcm2835_headpho - bcm2835 Headphones
                      bcm2835 Headphones


!!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=2
snd_bcm2835: enable_compat_alsa=0
snd_bcm2835: enable_hdmi=1


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

!!Module: snd_soc_simple_card
	* : 

!!Module: snd_bcm2835
	enable_compat_alsa : N
	enable_hdmi : Y
	enable_headphones : Y
	force_bulk : N

!!Module: snd_bcm2835
	enable_compat_alsa : N
	enable_hdmi : Y
	enable_headphones : Y
	force_bulk : N


!!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 -> ../../../asoc-simple-card.0
	|-- id
	|-- number
	|-- pcmC0D0c
	|   |-- dev
	|   |-- device -> ../../card0
	|   |-- pcm_class
	|   |-- power
	|   |-- subsystem -> ../../../../../../class/sound
	|   `-- uevent
	|-- pcmC0D0p
	|   |-- dev
	|   |-- device -> ../../card0
	|   |-- pcm_class
	|   |-- power
	|   |-- subsystem -> ../../../../../../class/sound
	|   `-- uevent
	|-- power
	|   |-- autosuspend_delay_ms
	|   |-- control
	|   |-- runtime_active_time
	|   |-- runtime_status
	|   `-- runtime_suspended_time
	|-- subsystem -> ../../../../../class/sound
	`-- uevent

!!Card: /sys/class/sound/card1
Driver: /sys/bus/platform/drivers/bcm2835_audio
Tree:
	/sys/class/sound/card1
	|-- controlC1
	|   |-- dev
	|   |-- device -> ../../card1
	|   |-- power
	|   |-- subsystem -> ../../../../../../../../class/sound
	|   `-- uevent
	|-- device -> ../../../bcm2835_audio
	|-- id
	|-- number
	|-- pcmC1D0p
	|   |-- dev
	|   |-- device -> ../../card1
	|   |-- pcm_class
	|   |-- power
	|   |-- subsystem -> ../../../../../../../../class/sound
	|   `-- uevent
	|-- power
	|   |-- autosuspend_delay_ms
	|   |-- control
	|   |-- runtime_active_time
	|   |-- runtime_status
	|   `-- runtime_suspended_time
	|-- subsystem -> ../../../../../../../class/sound
	`-- uevent

!!Card: /sys/class/sound/card2
Driver: /sys/bus/platform/drivers/bcm2835_audio
Tree:
	/sys/class/sound/card2
	|-- controlC2
	|   |-- dev
	|   |-- device -> ../../card2
	|   |-- power
	|   |-- subsystem -> ../../../../../../../../class/sound
	|   `-- uevent
	|-- device -> ../../../bcm2835_audio
	|-- id
	|-- number
	|-- pcmC2D0p
	|   |-- dev
	|   |-- device -> ../../card2
	|   |-- pcm_class
	|   |-- power
	|   |-- subsystem -> ../../../../../../../../class/sound
	|   `-- uevent
	|-- power
	|   |-- autosuspend_delay_ms
	|   |-- control
	|   |-- runtime_active_time
	|   |-- runtime_status
	|   `-- runtime_suspended_time
	|-- subsystem -> ../../../../../../../class/sound
	`-- uevent


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

crw-rw----  1 root audio 116,  0 Sep 21 18:00 /dev/snd/controlC0
crw-rw----  1 root audio 116, 32 Sep 21 18:00 /dev/snd/controlC1
crw-rw----  1 root audio 116, 64 Sep 21 18:00 /dev/snd/controlC2
crw-rw----  1 root audio 116, 24 Sep 21 18:00 /dev/snd/pcmC0D0c
crw-rw----  1 root audio 116, 16 Sep 21 18:00 /dev/snd/pcmC0D0p
crw-rw----  1 root audio 116, 48 Sep 21 18:00 /dev/snd/pcmC1D0p
crw-rw----  1 root audio 116, 80 Sep 21 18:00 /dev/snd/pcmC2D0p
crw-rw----  1 root audio 116,  1 Sep 21 17:59 /dev/snd/seq
crw-rw----  1 root audio 116, 33 Sep 21 18:00 /dev/snd/timer

/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root  80 Sep 21 18:00 .
drwxr-xr-x 3 root root 240 Sep 21 18:00 ..
lrwxrwxrwx 1 root root  12 Sep 21 18:00 platform-asoc-simple-card.0 -> ../controlC0
lrwxrwxrwx 1 root root  12 Sep 21 18:00 platform-bcm2835_audio -> ../controlC2


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

APLAY

**** List of PLAYBACK Hardware Devices ****
card 0: sndrpii2scard [snd_rpi_i2s_card], device 0: simple-card_codec_link snd-soc-dummy-dai-0 [simple-card_codec_link snd-soc-dummy-dai-0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: b1 [bcm2835 HDMI 1], device 0: bcm2835 HDMI 1 [bcm2835 HDMI 1]
  Subdevices: 4/4
  Subdevice #0: subdevice #0
  Subdevice #1: subdevice #1
  Subdevice #2: subdevice #2
  Subdevice #3: subdevice #3
card 2: Headphones [bcm2835 Headphones], device 0: bcm2835 Headphones [bcm2835 Headphones]
  Subdevices: 4/4
  Subdevice #0: subdevice #0
  Subdevice #1: subdevice #1
  Subdevice #2: subdevice #2
  Subdevice #3: subdevice #3

ARECORD

**** List of CAPTURE Hardware Devices ****
card 0: sndrpii2scard [snd_rpi_i2s_card], device 0: simple-card_codec_link snd-soc-dummy-dai-0 [simple-card_codec_link snd-soc-dummy-dai-0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

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

!!-------Mixer controls for card sndrpii2scard

Card hw:0 'sndrpii2scard'/'snd_rpi_i2s_card'
  Mixer name	: ''
  Components	: ''
  Controls      : 0
  Simple ctrls  : 0

!!-------Mixer controls for card b1

Card hw:1 'b1'/'bcm2835 HDMI 1'
  Mixer name	: 'Broadcom Mixer'
  Components	: ''
  Controls      : 2
  Simple ctrls  : 1
Simple mixer control 'HDMI',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback -10239 - 400
  Mono: Playback 0 [96%] [0.00dB] [on]

!!-------Mixer controls for card Headphones

Card hw:2 'Headphones'/'bcm2835 Headphones'
  Mixer name	: 'Broadcom Mixer'
  Components	: ''
  Controls      : 2
  Simple ctrls  : 1
Simple mixer control 'Headphone',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback -10239 - 400
  Mono: Playback 0 [96%] [0.00dB] [on]


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

--startcollapse--
state.sndrpii2scard {
	control {
	}
}
state.b1 {
	control.1 {
		iface MIXER
		name 'HDMI Playback Volume'
		value 0
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '-10239 - 400'
			dbmin -9999999
			dbmax 400
			dbvalue.0 0
		}
	}
	control.2 {
		iface MIXER
		name 'HDMI Playback Switch'
		value true
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
}
state.Headphones {
	control.1 {
		iface MIXER
		name 'Headphone Playback Volume'
		value 0
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '-10239 - 400'
			dbmin -9999999
			dbmax 400
			dbvalue.0 0
		}
	}
	control.2 {
		iface MIXER
		name 'Headphone Playback Switch'
		value true
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
}
--endcollapse--


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

8021q
backlight
bcm2835_codec
bcm2835_isp
bcm2835_mmal_vchiq
bcm2835_v4l2
binfmt_misc
bluetooth
bnep
brcmfmac
brcmutil
btbcm
cec
cfg80211
cmac
drm
drm_kms_helper
drm_panel_orientation_quirks
ecc
ecdh_generic
fb_sys_fops
fuse
garp
gpu_sched
hci_uart
hid_logitech_dj
hid_logitech_hidpp
i2c_bcm2835
i2c_dev
ip6_tables
ip6t_REJECT
ip6t_rt
ip_tables
ipt_REJECT
ipv6
joydev
llc
mc
nf_conntrack
nf_conntrack_broadcast
nf_conntrack_ftp
nf_conntrack_netbios_ns
nf_defrag_ipv4
nf_defrag_ipv6
nf_log_common
nf_log_ipv4
nf_log_ipv6
nf_nat
nf_nat_ftp
nf_reject_ipv4
nf_reject_ipv6
nf_tables
nfnetlink
nft_chain_nat
nft_compat
nft_counter
nft_limit
nvmem_rmem
raspberrypi_hwmon
rfcomm
rfkill
rpivid_mem
sg
sha256_generic
snd
snd_bcm2835
snd_compress
snd_i2smic_rpi
snd_pcm
snd_pcm_dmaengine
snd_soc_bcm2835_i2s
snd_soc_core
snd_soc_simple_card
snd_soc_simple_card_utils
snd_timer
stp
syscopyarea
sysfillrect
sysimgblt
uio
uio_pdrv_genirq
usbip_core
usbip_host
v3d
v4l2_mem2mem
vc4
vc_sm_cma
videobuf2_common
videobuf2_dma_contig
videobuf2_memops
videobuf2_v4l2
videobuf2_vmalloc
videodev
x_tables
xt_LOG
xt_MASQUERADE
xt_addrtype
xt_conntrack
xt_hl
xt_limit
xt_tcpudp


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

[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 964674
[    0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 video=HDMI-A-1:1920x1080M@60 smsc95xx.macaddr=DC:A6:32:5E:D1:84 vc_mem.mem_base=0x3eb00000 vc_mem.mem_size=0x3ff00000  console=ttyS0,115200 console=tty1 root=PARTUUID=3728d734-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait quiet splash plymouth.ignore-serial-consoles
[    0.000000] Kernel parameter elevator= does not have any effect anymore.
--
[    4.423666] usbcore: registered new device driver usbip-host
[    4.464768] snd_i2smic_rpi: loading out-of-tree module taints kernel.
[    4.465346] snd-i2smic-rpi: Version 0.1.0
[    4.465369] snd-i2smic-rpi: Setting platform to fe203000.i2s
[    4.511457] request module load 'bcm2708-dmaengine': 0
--
[    6.292323] [vc_sm_connected_init]: installed successfully
[    6.297911] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned.
[    6.393262] videodev: Linux video capture interface: v2.00
[    6.430834] bcm2835_audio bcm2835_audio: card created with 4 channels
[    6.453207] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned.
--
[    6.517024] bcm2835_v4l2: module is from the staging directory, the quality is unknown, you have been warned.
[    6.529076] bcm2835_audio bcm2835_audio: card created with 4 channels
[    6.543206] bcm2835-isp bcm2835-isp: Device node output[0] registered as /dev/video13
--
[    6.895970] [drm] Initialized vc4 0.0.0 20140616 for gpu on minor 1
[    6.963705] vc4-drm gpu: [drm] HDMI-A-1: EDID is invalid:
[    6.963731] 	[00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00


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

ii  alsa-tools                           1.1.7-1                                 armhf        Console based ALSA utilities for specific hardware
ii  alsa-utils                           1.1.8-2 rpt1                            armhf        Utilities for configuring and using ALSA