alc888-vc2-gr Realtek Semiconductor Corporation, alc888-vc2-gr Datasheet - Page 53

• Manufacturer Part Number: alc888-vc2-gr
• Description: 7.1+2 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

8.15. Verb – Get Power State (Verb ID=F05h)
8.16. Verb – Set Power State (Verb ID=705h)
7.1+2 Channel High Definition Audio Codec
Get Command Format
Codec Response for NID=01h (Audio Function Group)
Codec Response for other NID
Set Command Format
‘Power State’ in Command Bit[7:0]
Bit [31:28]
Bit [31:28]
CAd=X
CAd=X
31:6
31:0
5:4
3:2
1:0
7:6
5:4
3:2
1:0
Bit
Bit
Bit
Node ID=01h
Node ID=01h
Description
Reserved. Read as 0’s.
PS-Act. Actual Power State [1:0].
00: Power state is D0
10: Power state is D2
PS-Act indicates the actual power state of the referenced node. For Audio Function Group nodes
(NID=01h), PS-Act is always equal to PS-Set.
Reserved. Read as 0’s.
PS-Set. Set Power State [1:0].
00: Power state is D0
10: Power state is D2
PS-Set controls the current power setting of the referenced node.
Description
Not Supported (returns 00000000h).
Description
Reserved. Read as 0’s.
PS-Act. Actual Power State [1:0].
00: Power state is D0
10: Power state is D2
PS-Act indicates the actual power state of the referenced node.
Reserved. Read as 0’s.
PS-Set. Set Power State [1:0].
00: Power state is D0
10: Power state is D2
Bit [27:20]
Bit [27:20]
Table 47. Verb – Get Power State (Verb ID=F05h)
Table 48. Verb – Set Power State (Verb ID=705h)
Verb ID=705h
Verb ID=Ah
Bit [19:8]
Bit [19:8]
Payload Bit [7:0]
Payload Bit [7:0]
Power State [7:0]
01: Power state is D1
11: Power state is D3
01: Power state is D1
11: Power state is D3
01: Power state is D1
11: Power state is D3
01: Power state is D1
11: Power state is D3
45
0’s
Track ID: JATR-1076-21
Codec Response Format
Codec Response Format
Power State [7:0]
Response [31:0]
Response [31:0]
0’s for all nodes
Datasheet
ALC888
Rev. 1.4