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HDMI_SPD_INFOFRAME_P(9) DRM Core HDMI_SPD_INFOFRAME_P(9)

NAME

hdmi_spd_infoframe_pack - write HDMI SPD infoframe to binary buffer

SYNOPSIS

ssize_t hdmi_spd_infoframe_pack(struct hdmi_spd_infoframe * frame, void * buffer, size_t size);

ARGUMENTS

frame
HDMI SPD 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