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HDMI_INFOFRAME_PACK(9) DRM Core HDMI_INFOFRAME_PACK(9)

NAME

hdmi_infoframe_pack - write a HDMI infoframe to binary buffer

SYNOPSIS

ssize_t hdmi_infoframe_pack(union hdmi_infoframe * frame, void * buffer, size_t size);

ARGUMENTS

frame
HDMI infoframe
buffer
destination buffer
size
size of buffer

DESCRIPTION

Packs the information contained in the frame structure into a binary representation that can be written into the corresponding controller registers. Also computes the checksum as required by section 5.3.5 of the HDMI 1.4 specification.
Returns the number of bytes packed into the binary buffer or a negative error code on failure.

AUTHORS

Jesse Barnes <jesse.barnes@intel.com>
 
Intel Corporation,
Initial version
Laurent Pinchart <laurent.pinchart@ideasonboard.com>
 
Ideas on board SPRL,
Driver internals
Daniel Vetter <daniel.vetter@ffwll.ch>
 
Intel Corporation,
Contributions all over the place

COPYRIGHT

May 2018 Kernel Hackers Manual 3.16