alc880 Realtek Semiconductor Corporation, alc880 Datasheet - Page 33

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

8.1.3.
8.1.4.
For the root node, the Subordinate Node Count provides information about audio function group nodes
associated with the root node.
For function group nodes, it provides the total number of widgets associated with this function node.
7.1 Channel High Definition Audio Codec
Codec Response Format
Note: The Root Node (NID=00h) supports this parameter.
Codec Response Format
31:24
23:16
15:8
7:0
Bit
31:24
23:20
19:16
15:8
7:0
Bit
Parameter – Revision ID (Verb ID=F00h, Parameter ID=02h)
Parameter – Subordinate Node Count (Verb ID=F00h,
Parameter ID=04h)
Table 21. Parameter – Subordinate Node Count (Verb ID=F00h, Parameter ID=04h)
Reserved. Read as 0’s
Starting Node Number
Reserved. Read as 0’s.
Total Number of Nodes
Description
The starting node number in the sequential widgets
For a root node, this is the total number of function groups in the root node
For a function group, this is the total number of widget nodes in the function group
Reserved. Read as 0’s
MajRev. The major version number (in decimal) of the HDA Specification
MinRev. The minor version number (in decimal) of the HDA Specification
Description
Revision ID. The vendor’s revision number
00h is for the first silicon version, 01h is for the second version, etc.
Stepping ID. The vendor’s stepping number within the given Revision ID
Table 20. Parameter – Revision ID (Verb ID=F00h, Parameter ID=02h)
23
Track ID: JATR-1076-21
ALC880 Series
Datasheet
Rev. 1.4