alc272 Realtek Semiconductor Corporation, alc272 Datasheet - Page 57

• Manufacturer Part Number: alc272
• Description: 4 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

8.16. Verb – Set Power State (Verb ID=705h)
8.17. Verb – Get Converter Stream, Channel (Verb ID=F06h)
4 Channel High Definition Audio Codec
Set Command Format
‘Power State’ in Command Bit[7:0]
Get Command Format
Codec Response for NID=02h~03h, 06h and 10h (Output Converters: LOUT1, LOUT2 DAC, and SPDIF-OUT1/2)
Codec Response for NID=08h and 09h (Input Converters: LINE, MIX ADC)
Codec Response for other NID
Bit [31:28]
Bit [31:28]
CAd=X
CAd=X
31:8
31:0
7:6
5:4
3:2
1:0
7:4
3:0
Bit
Bit
Bit
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
Description
Reserved. Read as 0’s.
Stream[3:0].
The link stream used by the converter. 0000b is unused, 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).
Node ID=Xh
Node ID=Xh
Bit [27:20]
Bit [27:20]
Table 52. Verb – Get Converter Stream, Channel (Verb ID=F06h)
Verb ID=F06h
Table 51. Verb – Set Power State (Verb ID=705h)
Verb ID=705h
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
49
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
Datasheet
ALC272
Rev. 1.0