FM / rt5640

/usr/share/alsa/ucm2/codecs/rt5640

Name	Size	Mode	Actions
DigitalMics.conf	480	0644	edit dl rm
EnableSeq.conf	1306	0644	edit dl rm
HeadPhones.conf	984	0644	edit dl rm
HeadsetMic.conf	934	0644	edit dl rm
IN1-InternalMic.conf	992	0644	edit dl rm
IN3-InternalMic.conf	992	0644	edit dl rm
MonoSpeaker.conf	1198	0644	edit dl rm
Speaker.conf	1214	0644	edit dl rm

Edit: /usr/share/alsa/ucm2/codecs/rt5640/IN3-InternalMic.conf (992B)

SectionDevice."Mic" { Comment "Internal Microphone on IN3" ConflictingDevice [ "Headset" ] EnableSequence [ cset "name='Internal Mic Switch' on" cset "name='RECMIXL BST1 Switch' off" cset "name='RECMIXR BST1 Switch' off" cset "name='RECMIXL BST3 Switch' on" cset "name='RECMIXR BST3 Switch' on" cset "name='Stereo ADC MIXL ADC1 Switch' on" cset "name='Stereo ADC MIXR ADC1 Switch' on" cset "name='Mono ADC MIXL ADC1 Switch' on" cset "name='Mono ADC MIXR ADC1 Switch' on" cset "name='Mono ADC Capture Switch' on" ] DisableSequence [ cset "name='Stereo ADC MIXL ADC1 Switch' off" cset "name='Stereo ADC MIXR ADC1 Switch' off" cset "name='RECMIXL BST3 Switch' off" cset "name='RECMIXR BST3 Switch' off" cset "name='Internal Mic Switch' off" cset "name='Mono ADC MIXL ADC1 Switch' off" cset "name='Mono ADC MIXR ADC1 Switch' off" cset "name='Mono ADC Capture Switch' off" ] Value { CapturePriority 100 CapturePCM "hw:${CardId}" } }