alc880 Realtek Semiconductor Corporation, alc880 Datasheet - Page 57
alc880
Manufacturer Part Number
alc880
Description
7.1 Channel High Definition Audio Codec
Manufacturer
Realtek Semiconductor Corporation
Datasheet
1.ALC880.pdf
(84 pages)
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8.15. Verb – Get Power State (Verb ID=F05h)
7.1 Channel High Definition Audio Codec
Get Command Format
Bit [31:28]
Codec Response for NID=01h (Audio Function Group)
Codec Response for NID=02h, 03h, 04h, and 05h (Front, Surr, Cen/Lfe and Side-Surr DACs).
Codec Response for NID=07h, 08h, and 09h (MIC, LINE and MIX ADCs)
Codec Response for other NID
CAd=X
31:6
31:6
31:0
5:4
3:2
1:0
5:4
3:2
1:0
Bit
Bit
Bit
Node ID=Xh
Bit [27:20]
Reserved. Read as 0’s.
Reserved. Read as 0’s.
PS-Set. Set Power State [1:0].
Reserved. Read as 0’s
Reserved. Read as 0’s
PS-Set. Set Power State [1:0]
Description
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.
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.
Description
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. The actual power state of the referenced
node is also controlled by Audio Function (NID=01h), the PS-Set setting of the referenced node is used
to provide fine-grained power control
00: Power state is D0
01: Power state is D1
10: Power state is D2
11: Power state is D3
PS-Set controls current power setting of referenced node
Description
Not supported (returns 00000000h)
Table 48. Verb – Get Power State (Verb ID=F05h)
Verb ID=Ah
Bit [19:8]
Payload Bit [7:0]
47
0’s
Track ID: JATR-1076-21
Codec Response Format
Power State [7:0]
Response [31:0]
ALC880 Series
Datasheet
Rev. 1.4