DDC(4) BSD Kernel Interfaces Manual DDC(4)NAMEddc — VESA Display Data Channel V2 devices
SYNOPSISddc at iic? addr 0x50
DESCRIPTION
The ddc driver provides support for accessing the VESA Display Data Chan‐
nel Version 2 supported by many video displays.
BUGS
This driver does not provide any mechanism for access from user applica‐
tions. Its only use at this point is to provide a means for framebuffer
device drivers to query monitor description data (EDID) using a special‐
ized in-kernel API. No support for sending control commands to display
devices is provided.
SEE ALSOiic(4), ddc(9), edid(9)HISTORY
The ddc device appeared in NetBSD 4.0.
AUTHORS
Garrett D'Amore ⟨gdamore@NetBSD.org⟩
BSD May 11, 2006 BSD