92HD005 Datasheet, PDF (175/205 Pages) Integrated Device Technology – 4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE

92HD005/92HD005D
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
PC AUDIO
3.4.29.2. ExtVolume KnobCap
Table 424. ExtVolume KnobCap Command Verb Format
Verb ID
Payload
Response
Get
F00
13
See bitfield table.
Bit
[31:8]
[7]
[6:0]
Table 425. ExtVolume KnobCap Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd
R
0x0
Reserved
Delta
R
0x1
Indicates if software can write a base
volume to the Volume Control Knob.
NumSteps
R
0x7F
Total number of steps in the range of the
volume knob = 128
3.4.29.3. ExtVolume ConnLen
Table 426. ExtVolume ConnLen Command Verb Format
Verb ID
Payload
Response
Get
F00
0E
See bitfield table.
Bit
[31:8]
[7]
[6:0]
Table 427. ExtVolume ConnLen Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd
R
0x0
Reserved.
LongForm
R
0x0
Connection list uses short-form (7-bit) NID
entries.
Number of NID entries in connection list.
N
R
0x02
N = 02h if DAC1 enabled,
N = 01h otherwise
3.4.29.4. ExtVolume ConnLst
Table 428. ExtVolume ConnLst Command Verb Format
Verb ID
Payload
Response
Get
F02
00
See bitfield table.
IDT™
175
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
92HD005/92HD005D
V 1.0 12/06