alc272 Realtek Semiconductor Corporation, alc272 Datasheet - Page 71

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

8.41. Verb – Get/Set EAPD Control
4 Channel High Definition Audio Codec
Get Command Format (NID=14h and 15h)
Codec Response for NID=14h (LOUT1, port-D) and 15h (LOUT2, port-A)
Codec Response for Other NID
Set Command Format (NID=14h and 15h)
Payload in Set command for NID=14h (LOUT1, port-D) and 15h (LOUT2, port-A)
Codec Response
Bit [31:28]
Bit [31:28]
CAd=X
CAd=X
31:3
31:0
31:3
31:0
Bit
Bit
Bit
Bit
2
1
0
2
1
0
(Verb ID=F0Ch for Get, 70Ch for Set)
Description
Reserved.
L-R Swap. The ALC272 does not support swapping left and right channels. Read as 0.
EAPD Value.
0: EAPD pin state is low
1: EAPD pin state is high.
Note: Only one physical logic for the EAPD signal.
BTL Enable. The ALC272 does not support BTL output. Read as 0.
Description
0’s.
Node ID=14h/15h Verb ID=70Ch Bit[1] is EAPD Control
Description
Reserved.
L-R Swap. The ALC272 does not support swapping left and right channels. Read as 0.
EAPD Value.
0: EAPD pin state is low
1: EAPD pin state is high
BTL Enable. The ALC272 does not support BTL output. Read as 0.
Description
0’s.
Node ID=14h/15h
Bit [27:20]
Bit [27:20]
Table 76. Verb – Get EAPD Control (Verb ID=F0Ch)
Table 77. Verb – Set EAPD Control (Verb ID=70Ch)
Bit [19:8]
Verb ID=F0Ch
Bit [19:8]
Payload Bit [7:0]
Payload Bit [7:0]
63
0s
Track ID: JATR-1076-21
Codec Response Format
Codec Response Format
Bit[1] is EAPD Control
Response [31:0]
Response [31:0]
0s
Datasheet
ALC272
Rev. 1.0