alc888-vc2-gr Realtek Semiconductor Corporation, alc888-vc2-gr Datasheet - Page 40

• Manufacturer Part Number: alc888-vc2-gr
• Description: 7.1+2 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

8.1.15.
8.1.16.
7.1+2 Channel High Definition Audio Codec
Codec Response Format
Codec Response Format for NID=21h (Volume Control Knob)
Note: The ALC888 does not support volume knob and will respond with 0s to this parameter.
29:24
23:16
15:8
31:0
7:0
Bit
Bit
31
30
Table 33. Parameter – Volume Knob Capabilities (Verb ID=F00h, Parameter ID=13h)
Parameter – GPIO Capabilities
(Verb ID=F00h, Parameter ID=11h)
Parameter – Volume Knob Capabilities
(Verb ID=F00h, Parameter ID=13h)
Table 32. Parameter – GPIO Capabilities (Verb ID=F00h, Parameter ID=11h)
GPIWake=0.
Reserved. Read as 0’s.
NumGPIs=00h.
NumGPOs=00h.
Reserved. Read as 0’s.
Description
Only the ALC888-VC-GR supports GPIO wake up functions.
GPIUnsol=1.
The ALC888 supports GPIO unsolicited response.
No GPI pin is supported.
No GPO pin is supported.
NumGPIOs=03h.
Three GPIO pins are supported.
Description
32
Track ID: JATR-1076-21
Datasheet
ALC888
Rev. 1.4