Name
drm_dp_dpcd_readb —
read a single byte from the DPCD
Synopsis
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
Description
Returns the number of bytes transferred (1) on success, or a negative
error code on failure.