/proc/asound/card0/codec97#0/ac97#0-0: 0-0/0: Analog Devices AD1981B PCI Subsys Vendor: 0x1014 PCI Subsys Device: 0x0581 Capabilities : -headphone out- DAC resolution : 20-bit ADC resolution : 16-bit 3D enhancement : No 3D Stereo Enhancement Current setup Mic gain : +0dB [+0dB] POP path : pre 3D Sim. stereo : off 3D enhancement : off Loudness : off Mono output : MIX Mic select : Mic1 ADC/DAC loopback : off Extended ID : codec=0 rev=1 AMAP DSA=0 VRA Extended status : VRA PCM front DAC : 44100Hz PCM ADC : 44100Hz AD18XX configuration Unchained : 0x1000,0x0000,0x0000 Chained : 0x0000,0x0000,0x0000 /proc/asound/card0/codec97#0/ac97#0-0+regs: 0:00 = 0090 0:02 = 0b0b 0:04 = 0505 0:06 = 0006 0:08 = 0000 0:0a = 0000 0:0c = 801f 0:0e = 801f 0:10 = 9f9f 0:12 = 0606 0:14 = 0000 0:16 = 9f9f 0:18 = 0606 0:1a = 0000 0:1c = 0000 0:1e = 0000 0:20 = 0000 0:22 = 0000 0:24 = 0000 0:26 = 000f 0:28 = 0601 0:2a = 0031 0:2c = ac44 0:2e = 0000 0:30 = 0000 0:32 = ac44 0:34 = 0000 0:36 = 0000 0:38 = 0000 0:3a = 2000 0:3c = 0000 0:3e = 0000 0:40 = 0000 0:42 = 0000 0:44 = 0000 0:46 = 0000 0:48 = 0000 0:4a = 0000 0:4c = 0000 0:4e = 0000 0:50 = 0000 0:52 = 0000 0:54 = 0000 0:56 = 0000 0:58 = 0000 0:5a = 0000 0:5c = 4000 0:5e = 0000 0:60 = 8080 0:62 = 0000 0:64 = 8000 0:66 = 0000 0:68 = 0000 0:6a = 0000 0:6c = 0000 0:6e = 0000 0:70 = 0000 0:72 = 0008 0:74 = 1001 0:76 = 2010 0:78 = 0000 0:7a = 0000 0:7c = 4144 0:7e = 5374