please help me adding Merus-AMP to GUI
tried to add line “dtoverlay=merus-amp" into config.txt but not showing up
Any help?
got it!
Just add i2s at the end of /boot/config.txt
Sometimes it seems so easy. It is everything written there 
is that correct? what is pulseaudio ??
volumio@bad:~$ aplay -lL
null
Discard all samples (playback) or generate zero samples (capture)
jack
JACK Audio Connection Kit
pulse
PulseAudio Sound Server
default
Playback/recording through the PulseAudio sound server
volumio
volumioOutput
volumioHw
sysdefault:CARD=sndrpimerusamp
snd_rpi_merus_amp, Merus Audio Amp ma120x0p-amp-0
Default Audio Device
dmix:CARD=sndrpimerusamp,DEV=0
snd_rpi_merus_amp, Merus Audio Amp ma120x0p-amp-0
Direct sample mixing device
dsnoop:CARD=sndrpimerusamp,DEV=0
snd_rpi_merus_amp, Merus Audio Amp ma120x0p-amp-0
Direct sample snooping device
hw:CARD=sndrpimerusamp,DEV=0
snd_rpi_merus_amp, Merus Audio Amp ma120x0p-amp-0
Direct hardware device without any conversions
plughw:CARD=sndrpimerusamp,DEV=0
snd_rpi_merus_amp, Merus Audio Amp ma120x0p-amp-0
Hardware device with all software conversions
usbstream:CARD=sndrpimerusamp
snd_rpi_merus_amp
USB Stream Output
**** List of PLAYBACK Hardware Devices ****
card 0: sndrpimerusamp [snd_rpi_merus_amp], device 0: Merus Audio Amp ma120x0p-a mp-0 [Merus Audio Amp ma120x0p-amp-0]
Subdevices: 1/1
Subdevice #0: subdevice #0