drm_dp_dpcd_writeb
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## 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.

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