alc272 Realtek Semiconductor Corporation, alc272 Datasheet - Page 62

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

8.25. Verb – Get Configuration Default
Read the 32-bit sticky register for each Pin Widget configured by software.
8.26. Verb – Set Configuration Default Bytes 0, 1, 2, 3
The BIOS can use this verb to figure out the default conditions (e.g., placement and expected default
device) for the Pin Widgets NID=0B~0Fh, 10h, 11h, 1Fh, 20h, and 12h.
4 Channel High Definition Audio Codec
Get Command Format
Codec Response for NID=14h, 15h, 17h, 18h, 19h, 1Ah, 1Bh, 21h, 1Dh, 1Eh, 11h, 12h
(Pin Widget: LOUT1, LOUT2, MONO, MIC1, MIC2, LINE1, LINE2, PCBEEP, HP-OUT, SPDIF-OUT1, SPDIF-OUT2,
DMIC1/2)
Note: The 32-bit registers for each Pin Widget are sticky and will not be reset by a LINK Reset or Codec Reset (Function
Reset Verb).
Set Command Format
Note: Supported by Pin Widget NID=14h, 15h, 17h, 18h, 19h, 1Ah, 1Bh, 21h, 1Dh, 1Eh, 11h, 12h. Other widgets will
ignore this verb.
Codec Response for All NID
Bit [31:28]
Bit [31:28]
CAd=X
CAd=X
31:0
31:0
Bit
Bit
Table 61. Verb – Set Configuration Default Bytes 0, 1, 2, 3 (Verb ID=71Ch/71Dh/71Eh/71Fh)
(Verb ID=F1Ch/F1Dh/F1Eh/F1Fh)
(Verb ID=71Ch/71Dh/71Eh/71Fh)
Description
32-bit configuration information for each pin widget.
Description
0’s.
Node ID=Xh
Node ID=Xh
Table 60. Verb – Get Configuration Default (Verb ID=F1Ch/F1Dh/F1Eh/F1Fh)
Bit [27:20]
Bit [27:20]
Verb ID= F1Ch
71Dh, 71Eh, 71Fh
Verb ID=71Ch,
Bit [19:8]
Bit [19:8]
Payload Bit [7:0]
Payload Bit [7:0]
Label [7:0]
54
0’s
Track ID: JATR-1076-21
Codec Response Format
Codec Response Format
Response [31:0]
Response [31:0]
32-bit Response
0’s for all nodes
Datasheet
ALC272
Rev. 1.0