Set the display power-saving mode
int PgSetDPMSMode (int mode );
ph
This function sets the display power-saving mode based on VESA
Display Power Management System standards.
Mode
|
Meaning
|
Description |
0
|
On
|
The display is in full operation (Video:Active,
Horizontal: Sync Pulses, Vertical: Sync Pulses) |
1
|
Stand-by
|
An optional state of minimal power reduction with shortest display
recovery time (Video: Blanked, Horizontal Sync: off,
Vertical Sync: Pulses) |
2
|
Suspend
|
A state with substantial power reduction, but the display recovery
time can be longer than that of the stand-by state (Video: Blanked,
Horizontal Sync: Pulses, Vertical Sync: off) |
4
|
Off
|
The display is consuming the lowest level of power and is
nonoperational (Video: Blanked, Horizontal Sync: off, Vertical Sync: off) |
- 0
- Success.
- -1
- An error occurred; errno is set.
Photon
Safety: | |
Interrupt handler |
No |
Signal handler |
No |
Thread |
No |