/* Transmits a data byte from the TX data buffer.  */
static void ucpd_tx_data_byte(const struct device *dev)
/* Transmits a data byte from the TX data buffer.  */
static void ucpd_tx_data_byte(const struct device *dev)
{
	struct tcpc_data *data = dev->data;
	const struct tcpc_config *const config = dev->config;
	int index = data->ucpd_tx_active_buffer->msg_index++;
	LL_UCPD_WriteData(config->ucpd_port,
			  data->ucpd_tx_active_buffer->data.msg[index]);
}