alc880 Realtek Semiconductor Corporation, alc880 Datasheet - Page 74

• Manufacturer Part Number: alc880
• Description: 7.1 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

8.41. Verb – Get Subsystem ID [31:0]
8.42. Verb – Set Subsystem ID [31:0]
7.1 Channel High Definition Audio Codec
Get Command Format
Bit [31:28]
Codec Response for NID=01h
Note: Not supported by the ALC880, ALC880D, ALC880-LF, and ALC880D-LF.
Bit [31:28]
Note1: Supported by Audio Function Group NID=01h, other widgets will ignore this verb.
Note2: The BIOS can use these verbs to set the customized subsystem ID for Audio Function Group (NID=01h).
Note3: Not supported by the ALC880, ALC880D, ALC880-LF, and ALC880D-LF.
Codec Response for all NID
CAd = X
CAd = X
Set Command Format
31:16
15:8
31:0
7:0
Bit
Bit
(Verb ID=F20h/F21h/D22h/F23h)
(Verb ID=723h, 722h, 721h, 720h)
Node ID=01h
Node ID=01h
Bit [27:20]
Bit [27:20]
Table 74. Verb – Get Subsystem ID [31:0] (Verb ID=F20h/F21h/F22h/F23h)
Subsystem ID (Default=0880h)
Reserved. Read as 0s
Assembly ID. Read as 0
Description
Description
0s
(Verb ID=723h for [31:24], 722h for [23:16], 721h for [15:8], 720h for [7:0])
Verb ID=723h,
Verb ID=F20h
722h, 721h,
Bit [19:8]
Bit [19:8]
Table 75. Verb – Set Subsystem ID [31:0]
720h
Payload Bit [7:0]
Payload Bit [7:0]
Label [7:0]
64
0s
Codec Response Format
Track ID: JATR-1076-21
Codec Response Format
Response [31:0]
Response [31:0]
32-bit Response
0s for all nodes
ALC880 Series
Datasheet
Rev. 1.4