alc888s Realtek Semiconductor Corporation, alc888s Datasheet - Page 42

• Manufacturer Part Number: alc888s
• Description: 7.1+2 Channel High Definition Audio Codec With Two Independent S/pdif-out
• Manufacturer: Realtek Semiconductor Corporation

8.1.15.
8.1.16.
7.1+2 Channel High Definition Audio Codec
w/Two Independent S/PDIF-OUT
Codec Response Format
Codec Response Format for NID=21h (Volume Control Knob)
Note: The ALC888S does not support volume knob capabilities and will respond with 0’s to this parameter.
29:24
23:16
15:8
31:0
7:0
Bit
Bit
31
30
Table 35. 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 34. Parameter – GPIO Capabilities (Verb ID=F00h, Parameter ID=11h)
Description
GPIWake=0.
The ALC888S does not support GPIO wake up function.
GPIUnsol=1.
The ALC888S supports GPIO unsolicited response.
Reserved. Read as 0’s.
NumGPIs=00h.
No GPI pin is supported.
NumGPOs=00h.
No GPO pin is supported.
NumGPIOs=03h.
Three GPIO pins are supported.
Description
Reserved. Read as 0’s.
34
ALC888S & ALC888SDD
Track ID: JATR-1076-21
Datasheet
Rev. 1.2