lsmod_dmesg.sh

root@mo0de:~# lsmod | ack '(i2c|snd|ma120)'
snd_soc_ma120x0p       16384  1
regmap_i2c             16384  1 snd_soc_ma120x0p
snd_soc_rpi_simple_soundcard    16384  0
snd_soc_bcm2835_i2s    16384  2
snd_soc_core          253952  3 snd_soc_bcm2835_i2s,snd_soc_ma120x0p,snd_soc_rpi_simple_soundcard
i2c_bcm2835            16384  0
snd_bcm2835            24576  0
snd_compress           20480  1 snd_soc_core
snd_pcm_dmaengine      20480  1 snd_soc_core
snd_pcm               118784  6 snd_compress,snd_pcm_dmaengine,snd_soc_bcm2835_i2s,snd_bcm2835,snd_soc_core,snd_soc_rpi_simple_soundcard
snd_timer              36864  1 snd_pcm
snd                    94208  5 snd_compress,snd_timer,snd_bcm2835,snd_soc_core,snd_pcm
i2c_dev                16384  0
root@mo0de:~# dmesg | ack '(i2c|snd|ma120)'
[    0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_headphones=0 snd_bcm2835.enable_headphones=0 snd_bcm2835.enable_hdmi=0 bcm2708_fb.fbwidth=640 bcm2708_fb.fbheight=480 bcm2708_fb.fbswap=1 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000  console=ttyS0,115200 console=tty1 root=PARTUUID=ae300763-02 rootfstype=ext4 fsck.repair=yes rootwait cfg80211.ieee80211_regdom=DE
[    6.170493] i2c_dev: i2c /dev entries driver
[    8.051323] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned.
[  410.504578] ma120x0p 1-0020: ASoC: error at soc_component_read_no_lock on ma120x0p.1-0020 for register: [0x0000007c] -121
[  831.974694] ma120x0p 1-0020: ASoC: error at soc_component_read_no_lock on ma120x0p.1-0020 for register: [0x0000007c] -121

uname_amixer_c0.sh

root@mo0de:~#  uname -a
Linux mo0de 6.1.21-v7+ #1642 SMP Mon Apr  3 17:20:52 BST 2023 armv7l GNU/Linux
root@mo0de:~#  amixer -c0
Simple mixer control 'A.Mstr Vol',0
  Capabilities: volume volume-joined
  Playback channels: Mono
  Capture channels: Mono
  Limits: 0 - 144
  Mono: 144 [100%] [0.00dB]
Simple mixer control 'B.L Vol',0
  Capabilities: volume volume-joined
  Playback channels: Mono
  Capture channels: Mono
  Limits: 0 - 50
  Mono: 50 [100%] [0.00dB]
Simple mixer control 'C.R Vol',0
  Capabilities: volume volume-joined
  Playback channels: Mono
  Capture channels: Mono
  Limits: 0 - 50
  Mono: 50 [100%] [0.00dB]
Simple mixer control 'D.Lim thresh',0
  Capabilities: volume
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: 0 - 60
  Front Left: 35 [58%] [-15.00dB]
  Front Right: 35 [58%] [-15.00dB]
Simple mixer control 'F.Limiter Enable',0
  Capabilities: enum
  Items: 'Bypassed' 'Enabled'
  Item0: 'Enabled'
Simple mixer control 'G.Limiter Attck',0
  Capabilities: enum
  Items: 'Slow' 'Normal' 'Fast'
  Item0: 'Fast'
Simple mixer control 'H.Limiter Rls',0
  Capabilities: enum
  Items: 'Slow' 'Normal' 'Fast'
  Item0: 'Slow'
Simple mixer control 'I.Err flycap',0
  Capabilities: enum
  Items: 'Ok' 'Error' 'Slow'
  Item0: 'Ok'
Simple mixer control 'J.Err overcurr',0
  Capabilities: enum
  Items: 'Ok' 'Error' 'Ok'
  Item0: 'Ok'
Simple mixer control 'K.Err pllerr',0
  Capabilities: enum
  Items: 'Ok' 'Error' 'Ok'
  Item0: 'Ok'
Simple mixer control 'L.Err pvddunder',0
  Capabilities: enum
  Items: 'Ok' 'Error' 'Ok'
  Item0: 'Ok'
Simple mixer control 'M.Err overtempw',0
  Capabilities: enum
  Items: 'Ok' 'Error' 'Ok'
  Item0: 'Ok'
Simple mixer control 'N.Err overtempe',0
  Capabilities: enum
  Items: 'Ok' 'Error' 'Ok'
  Item0: 'Ok'
Simple mixer control 'O.Err pinlowimp',0
  Capabilities: enum
  Items: 'Ok' 'Error' 'Ok'
  Item0: 'Ok'
Simple mixer control 'P.Err dcprot',0
  Capabilities: enum
  Items: 'Ok' 'Error' 'Ok'
  Item0: 'Ok'
Simple mixer control 'Q.PM Prof',0
  Capabilities: enum
  Items: 'PMF0' 'PMF1' 'PMF2' 'PMF3' 'PMF4'
  Item0: 'PMF3'
Simple mixer control 'R.Power Mode',0
  Capabilities: enum
  Items: 'Dynamic power mode' 'Power mode 1' 'Power mode 2' 'Power mode 3'
  Item0: 'Dynamic power mode'