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DRM_DP_DPCD_WRITEB(9) DRM Core DRM_DP_DPCD_WRITEB(9)

NAME

drm_dp_dpcd_writeb - write a single byte to the DPCD

SYNOPSIS

ssize_t drm_dp_dpcd_writeb(struct drm_dp_aux * aux, unsigned int offset, u8 value);

ARGUMENTS

aux
DisplayPort AUX channel
offset
address of the register to write
value
value to write to the register

DESCRIPTION

Returns the number of bytes transferred (1) on success, 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