DDC(4)                  NetBSD Kernel Interfaces Manual                 DDC(4)

NAME
     ddc -- VESA Display Data Channel V2 devices

SYNOPSIS
     ddc 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 ALSO
     iic(4), ddc(9), edid(9)

HISTORY
     The ddc device appeared in NetBSD 4.0.

AUTHORS
     Garrett D'Amore <gdamore@NetBSD.org>

NetBSD 5.0.1                     May 11, 2006                     NetBSD 5.0.1

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