alc885-gr Realtek Semiconductor Corporation, alc885-gr Datasheet - Page 35

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alc885-gr

Manufacturer Part Number
alc885-gr
Description
7.1+2 Channel High-performance Hda Codec With Content Protection
Manufacturer
Realtek Semiconductor Corporation
Datasheet

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8.1.3.
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.
8.1.4.
7.1+2 Channel High-Performance HDA Codec
With Content Protection
Codec Response Format
Codec Response Format
Note: The Audio Function Group (NID=01h) supports this parameter.
Audio Function
31:24
23:16
15:8
7:0
Bit
31:9
7:0
Bit
Root Node
8
Others
Parameter – Subordinate Node Count (Verb ID=F00h,
Parameter ID=04h)
Parameter – Function Group Type (Verb ID=F00h,
Parameter ID=05h)
Table 22. 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, the total number of function groups in the root node
For a function group, the total number of widget nodes in the function group
Table 23. Parameter – Function Group Type (Verb ID=F00h, Parameter ID=05h)
Description
Reserved. Read as 0’s
UnSol Capable. Read as 1.
0: Unsolicited response is not supported by this function group
1: Unsolicited response is supported by this function group
Function Group Type. Read as 01h.
00h: Reserved
01h: Audio Function
02h: Modem Function
03h~7Fh: Reserved
80h~FFh: Vendor Defined Function
Description
NID=00h
NID=01h
Bits
Bit [31:24]
Reserved
-
-
27
Not supported (returns 00000000h)
Starting Node
Bit [23:16]
01h
02h
Bit [15:8]
Reserved
-
-
Total Fun/Widgets
ALC885 Series
Bit [7:0]
01h
25h
Datasheet
Rev. 1.1