drm_dp_dpcd_writeb(9)

drm_dp_dpcd_writeb9

Write a single byte to the dpcd

Usage

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

Overview

Returns the number of bytes transferred (1) on success, or a negative error code on failure.

Authors

Jesse Barnes <[email protected]>
Intel Corporation,

Initial version

Laurent Pinchart <[email protected]>
Ideas on board SPRL,

Driver internals

Daniel Vetter <[email protected]>
Intel Corporation,

Contributions all over the place

From linux-manual-3.16 3.16.56-1+deb8u1 in Debian 8 (Jessie). Parsed by carta from the page's man source.