DDC(4) | Device Drivers Manual | DDC(4) |
ddc
— VESA Display
Data Channel V2 devices
ddc at iic? addr 0x50
The ddc
driver provides support for
accessing the VESA Display Data Channel Version 2 supported by many video
displays.
The ddc
device appeared in
NetBSD 4.0.
Garrett D'Amore <gdamore@NetBSD.org>
This driver does not provide any mechanism for access from user applications. Its only use at this point is to provide a means for framebuffer device drivers to query monitor description data (EDID) using a specialized in-kernel API. No support for sending control commands to display devices is provided.
May 11, 2006 | NetBSD 10.99 |