alc272 Realtek Semiconductor Corporation, alc272 Datasheet - Page 36

• Manufacturer Part Number: alc272
• Description: 4 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

8.1.6.
4 Channel High Definition Audio Codec
Codec Response Format
31:24
23:20
19:16
15:12
11:
Bit
10
9
8
7
6
5
4
3
2
1
0
Table 25. Parameter – Audio Widget Capabilities (Verb ID=F00h, Parameter ID=09h)
Parameter – Audio Widget Capabilities
(Verb ID=F00h, Parameter ID=09h)
Description
Reserved. Read as 0’s.
Widget Type.
0h: Audio Output
4h: Pin Complex
7h~Eh: Reserved
Delay. Samples delayed between the HDA link and widgets.
Reserved. Read as 0’s.
L-R Swap.
0: Left channel and right channel swapping is not supported
1: Left channel and right channel swapping is supported
Power Control.
0: Power control is not supported on this widget
1: Power control is supported on this widget
Digital.
0: An analog input or output converter
1: A widget translating digital data between the HDA link and digital I/O (SPDIF, I2S, etc.)
ConnList. Connection List.
0: Connected to HDA link. No Connection List Entry will be queried
1: Connection List Entry must be queried
UnsolCap. Unsolicited Capable.
0: Unsolicited response is not supported
1: Unsolicited response is supported
ProcWidget. Processing Widget.
0: No processing control
1: Processing control is supported
Reserved. Read as 0.
Format Override.
Note: The ALC272 supports 16/20/24-bit with 44.1kHz, 48kHz, 96kHz and 192kHz sample rate. The format
(parameter ID=0Ah) must be queried
AmpParOvr (AMP Param Override).
Override amplifier parameters (Gain Control) in individual output Pin Complexes, ADCs, and Mixer
widgets.
OutAmpPre (Out AMP Present).
InAmpPre (In AMP Present).
There are amplifiers (Gain Control) in individual ADCs and Mixer widgets.
Stereo.
0: Mono Widget
1: Stereo Widget
1h: Audio Input
5h: Power Widget
Fh: Vendor defined audio widget
28
2h: Mixer 3h: Selector
6h: Volume Knob Widget
Track ID: JATR-1076-21
Datasheet
ALC272
Rev. 1.0