alc861 Realtek Semiconductor Corporation, alc861 Datasheet - Page 43
alc861
Manufacturer Part Number
alc861
Description
7.1 Channel High Definition Audio Codec
Manufacturer
Realtek Semiconductor Corporation
Datasheet
1.ALC861.pdf
(67 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ALC861
Manufacturer:
REALTEK
Quantity:
390
Company:
Part Number:
alc861-VD-GR
Manufacturer:
MICROSOFT
Quantity:
1
8.5. Verb – Get Amplifier Gain (Verb ID=Bh)
This verb is used to get gain/attenuation settings from each widget.
7.1 Channel High Definition Audio Codec
Get Command Format
Bit [31:28]
‘Get’ Payload in Command Bit[15:0]
Codec Response for NID=03h, 04h, 05h, 06h (DAC) and 07h (S/PDIF-OUT Converter)
Codec Response for NID=08h (ADC)
CAd=X
12:4
31:8
31:8
3:0
6:0
6:0
Bit
Bit
Bit
15
14
13
7
7
Node ID=Xh
Bit [27:20]
Reserved. Read as 0
Reserved. Read as 0’s
Read as 0’s (No volume control for DAC and S/PDIF-OUT converter)
Description
Get Input/Output
0: Input amplifier gain is requested
1: Output amplifier gain is requested
Get Left/Right
0: Right amplifier gain is requested
1: Left amplifier gain is requested
Index[3:0] for Input Source
Select amplifier for this converter. If a widget has no multiple input sources, the index will be ignored.
Description
0’s
Bit-15 is 0 in ‘Get Amplifier Gain’: Read as 0 (No Output Amplifier Mute)
Bit-15 is 1 in ‘Get Amplifier Gain’: Output Amplifier Mute, 0: Unmute, 1: Mute (Default)
Description
0’s
Bit-15 is 0 in ‘Get Amplifier Gain’: Input Amplifier Mute, 0: Unmute 1: Mute (Default ).
Bit-15 is 1 in ‘Get Amplifier Gain’: Read as 0 (No Output Amplifier Mute)
Bit-15 is 0 in ‘Get Amplifier Gain’: Input Amplifier Gain [6:0]
Bit-15 is 1 in ‘Get Amplifier Gain’: Read as 0’s (No Output Amplifier Mute)
Table 32. Verb – Get Amplifier Gain (Verb ID=Bh)
Verb ID=Bh
Bit [19:16]
‘Get’ payload [15:0]
Payload Bit [15:0]
35
Track ID: JATR-1076-21
Bit[7:0] are responsible for ‘Get’
Codec Response Format
Response [31:0]
Datasheet
ALC861
Rev. 1.3