alc882 Realtek Semiconductor Corporation, alc882 Datasheet - Page 61

• Manufacturer Part Number: alc882
• Description: 7.1+2 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

8.25. Verb – Get Configuration Default (Verb ID=F1Ch)
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 for the Pin Widgets 14h~1Bh and
1Eh~1Fh such as placement and expected default device.
7.1+2 Channel High Definition Audio Codec
Get Command Format
Bit [31:28]
Codec Response for NID=14h, 15h, 16h, 17h, 18h, 19h, 1Ah, 1Bh, 1Eh, and 1Fh
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
Bit [31:28]
Note: Supported by Pin Widget NID=14h~1Bh, 1Eh and 1Fh. Other widgets will ignore this verb.
Codec Response for All NID
CAd=X
CAd=X
31:0
31:0
Bit
Bit
(Verb ID=71Ch/71Dh/71Eh/71Fh for Bytes 0, 1, 2, 3)
Node ID=Xh
Node ID=Xh
Bit [27:20]
Bit [27:20]
32-bit configuration information for each pin widget
Description
Description
0’s
Table 56. Verb – Get Configuration Default (Verb ID=F1Ch)
Table 57. Verb – Set Configuration Default Bytes 0, 1, 2, 3
71Dh, 71Eh, 71Fh
Verb ID= F1Ch
(Verb ID=71Ch/71Dh/71Eh/71Fh for Bytes 0, 1, 2, 3)
Verb ID=71Ch,
Bit [19:8]
Bit [19:8]
Payload Bit [7:0]
Payload Bit [7:0]
Label [7:0]
51
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
ALC882 Series
Datasheet
Rev. 1.5