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nc-video-pvideo_write_clock_line.md

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UID title description old-location tech.root ms.date keywords ms.keywords req.header req.include-header req.target-type req.target-min-winverclnt req.target-min-winversvr req.kmdf-ver req.umdf-ver req.ddi-compliance req.unicode-ansi req.idl req.max-support req.namespace req.assembly req.type-library req.lib req.dll req.irql targetos req.typenames f1_keywords topic_type api_type api_location api_name
NC:video.PVIDEO_WRITE_CLOCK_LINE
PVIDEO_WRITE_CLOCK_LINE (video.h)
WriteClockLine sets the I2C serial clock line to high or low.
display\writeclockline.htm
display
05/10/2018
PVIDEO_WRITE_CLOCK_LINE callback function
PVIDEO_WRITE_CLOCK_LINE, PVIDEO_WRITE_CLOCK_LINE callback, VideoMiniport_Functions_7d36df35-ac09-4a82-af0c-47a733617d9a.xml, WriteClockLine, WriteClockLine callback function [Display Devices], display.writeclockline, video/WriteClockLine
video.h
Video.h
Desktop
Windows
PVIDEO_WRITE_CLOCK_LINE
video/PVIDEO_WRITE_CLOCK_LINE
APIRef
kbSyntax
UserDefined
video.h
PVIDEO_WRITE_CLOCK_LINE

PVIDEO_WRITE_CLOCK_LINE callback function

-description

WriteClockLine sets the I2C serial clock line to high or low.

-parameters

-param HwDeviceExtension

Pointer to the video miniport driver's per-adapter storage area. For more information, see Device Extensions.

-param Data

Supplies a value that specifies whether to set the serial clock line to high or low. A value of 0 specifies that the clock line should be set to low, and a value of 1 specifies that the clock line should be set to high.

-remarks

WriteClockLine should be made pageable.

-see-also

HwVidGetVideoChildDescriptor

I2C Functions

ReadClockLine

ReadDataLine

VideoPortDDCMonitorHelper

WriteDataLine