alc260d-ve-lf Realtek Semiconductor Corporation, alc260d-ve-lf Datasheet - Page 47

• Manufacturer Part Number: alc260d-ve-lf
• Description: 2 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

8.9.
This verb is used to get gain/attenuation settings from each widget.
2 Channel High Definition Audio Codec
Get Command Format
‘Get’ Payload in Command Bit[15:0]
Codec Response for NID=04h (MIC ADC) and 05h(MIX ADC)
Codec Response for NID=07h (MIXER Sum Widget)
Bit [31:28]
CAd=X
12:4
31:8
31:8
3:0
6:0
6:0
Bit
Bit
Bit
15
14
13
7
7
Verb – Get Amplifier Gain (Verb ID=Bh)
Node ID=Xh
Bit [27:20]
Reserved. Read as 0.
Reserved. Read as 0’s.
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
This bit should be ignored for output amplifier and MONO widget.
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’: Input Amplifier Mute, 0: Unmute, 1: Mute
Bit-15 is 1 in ‘Get Amplifier Gain’: Read as 0 (No Output Amplifier Mute).
The Index bits in ‘Get/Set Amplifier gain’ verb for MIC ADC and MIX ADC should be ignored.
Bit-15 is 0 in ‘Get Amplifier Gain’: Input Amplifier Gain [6:0]. 7-bit step value (0~35) specifying the
volume from 0B~+35dB in 1dB steps.
Bit-15 is 1 in ‘Get Amplifier Gain’: Read as 0’s (No Output Amplifier Mute).
Description
0’s.
Bit-15 is 0 in ‘Get Amplifier Gain’: Input Amplifier Mute, 0: Unmute 1: Mute (Default for all Index).
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]. 7-bit step value (0~65) specifying the
volume from –35dB~+30dB in 1dB steps.
Bit-15 is 1 in ‘Get Amplifier Gain’: Read as 0’s (No Output Amplifier Mute).
Table 42. Verb – Get Amplifier Gain (Verb ID=Bh)
Verb ID=Bh
Bit [19:16]
‘Get’ payload [15:0]
Payload Bit [15:0]
40
Bit[7:0] are responsible for ‘Get’
Track ID: JATR-1076-21 Rev. 1.4
Codec Response Format
Response [31:0]
ALC260(D)
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