Audio Controller Configuration

The following code block provides an example of showing the sound card controller list and audio router of the audio module:

# cat /proc/asound/cards
0 [StarfiveMultiSo]: simple-card - Starfive-Multi-Sound-Card
					 Starfive-Multi-Sound-Card
# amixer -controls
numid=12,iface=MIXER,name='Headphone Playback ZC Switch'
numid=11,iface=MIXER,name='Headphone Playback Volume'
numid=17,iface=MIXER,name='PCM Playback -6dB Switch'
numid=57,iface=MIXER,name='Mono Output Mixer Left Switch'
numid=58,iface=MIXER,name='Mono Output Mixer Right Switch'
numid=41,iface=MIXER,name='ADC Data Output Select'
numid=19,iface=MIXER,name='ADC High Pass Filter Switch'
numid=36,iface=MIXER,name='ADC PCM Capture Volume'
numid=18,iface=MIXER,name='ADC Polarity'
numid=2,iface=MIXER,name='Capture Volume ZC Switch'
numid=3,iface=MIXER,name='Capture Switch'
numid=1,iface=MIXER,name='Capture Volume'
numid=10,iface=MIXER,name='Playback Volume'
numid=23,iface=MIXER,name='3D Filter Lower Cut-Off'
numid=22,iface=MIXER,name='3D Filter Upper Cut-Off'
numid=25,iface=MIXER,name='3D Switch'
numid=24,iface=MIXER,name='3D Volume'
numid=33,iface=MIXER,name='ALC Attack'
numid=32,iface=MIXER,name='ALC Decay'
numid=26,iface=MIXER,name='ALC Function'
numid=30,iface=MIXER,name='ALC Hold Time'
numid=27,iface=MIXER,name='ALC Max Gain'
numid=29,iface=MIXER,name='ALC Min Gain'
numid=31,iface=MIXER,name='ALC Mode'
numid=28,iface=MIXER,name='ALC Target'
numid=21,iface=MIXER,name='DAC Deemphasis Switch'
numid=42,iface=MIXER,name='DAC Mono Mix'
numid=20,iface=MIXER,name='DAC Polarity'
numid=45,iface=MIXER,name='Left Boost Mixer LINPUT1 Switch'
numid=43,iface=MIXER,name='Left Boost Mixer LINPUT2 Switch'
numid=44,iface=MIXER,name='Left Boost Mixer LINPUT3 Switch'
numid=9,iface=MIXER,name='Left Input Boost Mixer LINPUT1 Volume'
numid=5,iface=MIXER,name='Left Input Boost Mixer LINPUT2 Volume'
numid=4,iface=MIXER,name='Left Input Boost Mixer LINPUT3 Volume'
numid=49,iface=MIXER,name='Left Input Mixer Boost Switch'
numid=53,iface=MIXER,name='Left Output Mixer Boost Bypass Switch'
numid=37,iface=MIXER,name='Left Output Mixer Boost Bypass Volume'
numid=52,iface=MIXER,name='Left Output Mixer LINPUT3 Switch'
numid=38,iface=MIXER,name='Left Output Mixer LINPUT3 Volume'
numid=51,iface=MIXER,name='Left Output Mixer PCM Playback Switch'
numid=35,iface=MIXER,name='Noise Gate Switch'
numid=34,iface=MIXER,name='Noise Gate Threshold'
numid=48,iface=MIXER,name='Right Boost Mixer RINPUT1 Switch'
numid=46,iface=MIXER,name='Right Boost Mixer RINPUT2 Switch'
numid=47,iface=MIXER,name='Right Boost Mixer RINPUT3 Switch'
numid=8,iface=MIXER,name='Right Input Boost Mixer RINPUT1 Volume'
numid=7,iface=MIXER,name='Right Input Boost Mixer RINPUT2 Volume'
numid=6,iface=MIXER,name='Right Input Boost Mixer RINPUT3 Volume'
numid=50,iface=MIXER,name='Right Input Mixer Boost Switch'
numid=56,iface=MIXER,name='Right Output Mixer Boost Bypass Switch'
numid=39,iface=MIXER,name='Right Output Mixer Boost Bypass Volume'
numid=54,iface=MIXER,name='Right Output Mixer PCM Playback Switch'
numid=55,iface=MIXER,name='Right Output Mixer RINPUT3 Switch'
numid=40,iface=MIXER,name='Right Output Mixer RINPUT3 Volume'
numid=16,iface=MIXER,name='Speaker AC Volume'
numid=15,iface=MIXER,name='Speaker DC Volume'
numid=13,iface=MIXER,name='Speaker Playback Volume'
numid=14,iface=MIXER,name='Speaker Playback ZC Switch'