MXC-CEC: Return writable for poll when no link status.

If there is no link we need to allow writes otherwise libcec will
block on select() in the SocketWrite() call. The write() will still
fail with EAGAIN.

Signed-off-by: Doug Nazar <[email protected]>

Author: dougnazar

drivers/mxc/hdmi-cec/mxc_hdmi-cec.c

@@ -628,7 +628,7 @@ static unsigned int hdmi_cec_poll(struct file *file, poll_table *wait)
 	poll_wait(file, &rx_queue, wait);
 	poll_wait(file, &tx_queue, wait);
 
-	if (priv->link_status == 1 &&
+	if (priv->link_status == 0 ||
 	    priv->tx_answer == CEC_TX_AVAIL)
 		mask |= POLLOUT | POLLWRNORM;