CS4207 Datasheet, PDF (99/144 Pages) Cirrus Logic – Low-power, 4-in / 6-out HD Audio CODEC with Headphone Amp

CS4207
3
Read Only
1b
D3 is Supported. Since Extended Power States
is also supported, the pin widget will maintain the
ability to generate an Unsolicited Response (if
this function is enabled) while in the D3 state.
2
Read Only
0b
D2 is not Supported
1
Read Only
0b
D1 is not Supported
0
Read Only
1b
D0 Supported
6.11.6 Power States
Get Parameter Command Format:
Bits [31:28]
CAd = X
Bits [27:20]
Line In 1 Node ID=0Ch
Mic In 1 Node ID=0Dh
Bits [19:8]
Verb ID = F05h
Bits [7:0]
Parameter ID = 00h
Set Parameter Command Format:
Bits [31:28]
CAd = X
Bits [27:20]
Line In 1 Node ID=0Ch
Mic In 1 Node ID=0Dh
Bits [19:8]
Verb ID = 705h
Bits [7:0]
Parameter ID = 0xh
Response Format:
Bits
31:11
Type
Read Only
10
Read Only
9
Read Only
8
Read Only
7:4
Read Only
Default
00000h
1b
0b
0b
0011b
Reserved
Description
Power State Settings Reset(PS-SettingsRe-
set): This bit is set to ‘1’b when, during any type
of reset or low power state transition, the settings
within this widget that were changed from the
defaults, either by software or hardware, have
been reset back to their default state. When
these settings have not been reset, this is
reported as ‘0’b. This bit is always a ‘1’b follow-
ing a POR condition. For more information,
see “Power State Settings Reset (PS-Set-
tingsReset)” on p 27
Power State Clock Stop OK(PS-ClkStopOK):
This bit is not supported and will always return
‘0’b when read.
Power State Error (PS-Error): This bit is not
supported and will always return ‘0’b when read.
Power State Actual (PS-Act): This field indi-
cates the actual power state of the referenced
node. The default state is D3.
DS880F1
99