alc268 Realtek Semiconductor Corporation, alc268 Datasheet - Page 63

• Manufacturer Part Number: alc268
• Description: 2+2 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

8.36. Verb – Set GPIO Unsolicited Response Enable Mask
8.37. Verb – Function Reset (Verb ID=7FFh)
2+2 Channel High Definition Audio Codec
Set Command Format
Codec Response for NID=01h (Audio Function Group)
Note 1: All nodes except the Audio Function Group (NID=01h) will ignore this verb.
Note 2: The unsolicited response of corresponding GPIO is enabled when it’s ‘Enable Mask’ and Verb-‘Unsolicited
Response’ for NID=01h are enabled.
Codec Response for Other NID
Command Format (NID=01H)
Codec Response
Note: The Function Reset command causes all widgets in the ALC268 to return to their power-on default state.
Bit [31:28]
Bit [31:28]
Cad=X
Cad=X
31:8
31:0
31:0
7:4
3:0
Bit
Bit
Bit
(Verb ID=719h)
Description
Reserved.
GPIO[7:4] Unsolicited Enable Mask. Not supported in the ALC268
GPIO[3:0] Unsolicited Enable Mask.
0: Unsolicited response will not be sent on link
1: Unsolicited response will be sent on link when state of corresponding GPIO has been changed
Description
0’s.
Description
Reserved. Read as 0’s.
Table 68. Verb – Set GPIO Unsolicited Response Enable Mask (Verb ID=719h)
Node ID=01h
Node ID=01h
Bit [27:20]
Bit [27:20]
Verb ID=7FFh
Verb ID=719h
Table 69. Verb – Function Reset (Verb ID=7FFh)
Bit [19:8]
Bit [19:8]
UnsolEnable [7:0]
Payload Bit [7:0]
Payload Bit [7:0]
55
0’s
Track ID: JATR-1076-21
Codec Response Format
Codec Response Format
Response [31:0]
Response [31:0]
0’s for all nodes
0’s
ALC268 Series
Datasheet
Rev. 1.3