92HD71B7 Datasheet, PDF (151/216 Pages) Integrated Device Technology – 4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR LOW POWER

92HD71B7
4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR LOW POWER
PC AUDIO
8.20.5.1. InPort1Mux OutAmpCap
Bit
Bitfield Name
RW
Reset
[31]
Mute
R
0
[30.:23] Rsvd3
R
00
[22.:16] StepSize
R
27
[15]
[14.:8]
Rsvd2
NumSteps
R
0
R
03
[7]
[6.:0]
Rsvd1
Offset
R
0
R
00
Description
Mute support: 1 = yes 0 = no.
Reserved.
Size of each step in the gain range: 0 to
127 = .25dB to 32dB in .25dB steps.
Reserved.
Number of gains steps (number of pos-
sible settings - 1).
Reserved.
Indicates which step is 0dB
8.20.6. InPort1Mux OutAmpLeft
Verb ID
Get
BA0
Payload
00
Response
See bitfield table.
8.20.6.1. InPort1Mux OutAmpLeft
Bit
Bitfield Name
RW
Reset
Description
[31.:3]
Rsvd1
R
00000000 Reserved.
[2.:0]
Gain
RW 0
Amp gain step number (see OutAmp-
Cap parameter pertaining to this wid-
get).
IDT™ CONFIDENTIAL AND PROPRIETARY
151
4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR LOW POWER
92HD71B7
V 0.9 07/07