alc880 Realtek Semiconductor Corporation, alc880 Datasheet - Page 58
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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8.16. Verb – Set Power State (Verb ID=705h)
8.17. Verb – Get Converter Stream, Channel (Verb ID=F06h)
7.1 Channel High Definition Audio Codec
Set Command Format
Bit [31:28]
‘Power State’ in Command Bit[7:0]
Get Command Format
Bit [31:28]
Codec Response for NID=02h~06h (Output Converters: Front, Surr, Cen/Lfe, SIDESURR DAC, and S/PDIF-OUT)
Codec Response for NID=07h~0Ah (Input Converters: MIC ADC, LINE ADC, MIX DAC, and S/PDIF-IN)
Codec Response for other NID
CAd=X
CAd=X
31:8
31:0
7:6
5:4
3:2
1:0
7:4
3:0
Bit
Bit
Bit
Node ID=Xh
Node ID=Xh
Bit [27:20]
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
Stream[3:0]
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
00: Power state is D0
01: Power state is D1
10: Power state is D2
11: Power state is D3
Description
The link stream used by the converter. 0000b is stream 0, 0001b is stream 1, etc.
Channel[3:0]
The lowest channel used by the converter. A stereo converter will use the set channel n as well as n+1
for its left and right channel
Description
Not supported (returns 00000000h)
Table 50. Verb – Get Converter Stream, Channel (Verb ID=F06h)
Verb ID=F06h
Verb ID=705h
Table 49. Verb – Set Power State (Verb ID=705h)
Bit [19:8]
Bit [19:8]
Payload Bit [7:0]
Payload Bit [7:0]
Power State [7:0]
48
0’s
Track ID: JATR-1076-21
Codec Response Format
Codec Response Format
Stream & Channel [7:0]
Response [31:0]
Response [31:0]
0’s for all nodes
ALC880 Series
Datasheet
Rev. 1.4