drm_dp_dpcd_readb9
Read a single byte from the dpcd
Usage
ssize_t drm_dp_dpcd_readb(struct drm_dp_aux * aux, unsigned int offset, u8 * valuep);
Arguments
aux
DisplayPort AUX channel
offset
address of the register to read
valuep
location where the value of the register will be stored
Overview
Returns the number of bytes transferred (1) on success, or a negative error code on failure.