ALC892 datasheet(57/90 Pages) REALTEK

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ALC892

Datasheet

7.1+2 Channel HD Audio Codec with Content Protection

Track ID: JATR-2265-11

Rev. 1.3

8.15. Verb – Get Power State (Verb ID=F05h)

Table 46. Verb – Get Power State (Verb ID=F05h)

Get Command Format

Codec Response Format

Bit [31:28]

Bit [27:20]

Bit [19:8]

Payload Bit [7:0]

Response [31:0]

CAd=X

Node ID=01h

Verb ID=Ah

0’s

Power State [7:0]

Codec Response for NID=01h (Audio Function Group)

Codec Response for NID=02h~05h, 25h, 08h, 09h (Audio Input/Output Converter)

Codec Response for NID=11h, 12h, 14h~1Fh (Pin Widget)

Codec Response for NID=06h, 10h, 0Ah (Audio Input/Output Converter)

Bit

Description

31:6

Reserved. Read as 0’s.

5:4

PS-Act. Actual Power State [1:0].

00: Power state is D0

01: Power state is D1

10: Power state is D2

11: Power state is D3

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.

3:2

Reserved. Read as 0’s.

1:0

PS-Set. Set Power State [1:0].

00: Power state is D0

01: Power state is D1

10: Power state is D2

11: Power state is D3

PS-Set controls the current power setting of the referenced node.

Codec Response for other NID

Bit

Description

31:0

Not Supported (Returns 00000000h).

8.16. Verb – Set Power State (Verb ID=705h)

Table 47. Verb – Set Power State (Verb ID=705h)

Set Command Format

Codec Response Format

Bit [31:28]

Bit [27:20]

Bit [19:8]

Payload Bit [7:0]

Response [31:0]

CAd=X

Node ID=01h

Verb ID=705h

Power State [7:0]

0’s for All Nodes

‘Power State’ in Command Bit[7:0]

Bit

Description

7:6

Reserved. Read as 0’s.

5:4

PS-Act. Actual Power State [1:0].

00: Power state is D0

01: Power state is D1

10: Power state is D2

11: Power state is D3

PS-Act indicates the actual power state of the referenced node.

3:2

Reserved. Read as 0’s.

1:0

PS-Set. Set Power State [1:0].

00: Power state is D0

01: Power state is D1

10: Power state is D2

11: Power state is D3

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