// video.h

PVIDEO_WRITE_CLOCK_LINE PvideoWriteClockLine;

VOID PvideoWriteClockLine(
  PVOID HwDeviceExtension,
  UCHAR Data
)
{...}
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Windows Driver Kit DDI reference (nc-video-pvideo_write_clock_line)

PVIDEO_WRITE_CLOCK_LINE callback function

Description

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

Parameters

`HwDeviceExtension`

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

`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.

PVIDEO_WRITE_CLOCK_LINE - NtDoc