alc885-gr Realtek Semiconductor Corporation, alc885-gr Datasheet - Page 71

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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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8.21. Verb – Get Unsolicited Response Control (Verb ID=F08h)
Determines whether a widget is enabled to send an unsolicited response. An HDA codec can use an
unsolicited response to inform software of a real-time event.
7.1+2 Channel High-Performance HDA Codec
With Content Protection
Get Command Format
Bit [31:28]
Codec Response for NID=01h (GPIO in Audio Function Group), 14h~1Bh (Port A to H)
Codec Response for other NID
CAd=X
31:8
31:0
6:4
3:0
Bit
Bit
7
Node ID=Xh
Bit [27:20]
Reserved. Read as 0’s
Reserved. Read as 0’s
Assigned Tag for Unsolicited Response
Description
Unsolicited Response is Enabled
0: Disabled
1: Enabled
The tag[3:0] is assigned by software to determine which widget generates unsolicited responses
Description
Not supported (returns 00000000h)
Table 63. Verb – Get Unsolicited Response Control (Verb ID=F08h)
Verb ID= F08h
Bit [19:8]
Payload Bit [7:0]
63
0’s
Codec Response Format
Response [31:0]
32-bit Response
ALC885 Series
Datasheet
Rev. 1.1