[media] pulse8-cec: fix error handling

Support more error codes and fix a bug where MSGCODE_TRANSMIT_FAILED_LINE
was mapped to CEC_TX_STATUS_ARB_LOST, which is wrong.

Thanks to Pulse-Eight for providing me with the information needed
to handle this correctly (I hope).
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/staging/media/pulse8-cec/pulse8-cec.c

@@ -114,14 +114,11 @@ static void pulse8_irq_work_handler(struct work_struct *work)
 		cec_transmit_done(pulse8->adap, CEC_TX_STATUS_OK,
 				  0, 0, 0, 0);
 		break;
-	case MSGCODE_TRANSMIT_FAILED_LINE:
-		cec_transmit_done(pulse8->adap, CEC_TX_STATUS_ARB_LOST,
-				  1, 0, 0, 0);
-		break;
 	case MSGCODE_TRANSMIT_FAILED_ACK:
 		cec_transmit_done(pulse8->adap, CEC_TX_STATUS_NACK,
 				  0, 1, 0, 0);
 		break;
+	case MSGCODE_TRANSMIT_FAILED_LINE:
 	case MSGCODE_TRANSMIT_FAILED_TIMEOUT_DATA:
 	case MSGCODE_TRANSMIT_FAILED_TIMEOUT_LINE:
 		cec_transmit_done(pulse8->adap, CEC_TX_STATUS_ERROR,
@@ -170,6 +167,9 @@ static irqreturn_t pulse8_interrupt(struct serio *serio, unsigned char data,
 		case MSGCODE_TRANSMIT_FAILED_TIMEOUT_LINE:
 			schedule_work(&pulse8->work);
 			break;
+		case MSGCODE_HIGH_ERROR:
+		case MSGCODE_LOW_ERROR:
+		case MSGCODE_RECEIVE_FAILED:
 		case MSGCODE_TIMEOUT_ERROR:
 			break;
 		case MSGCODE_COMMAND_ACCEPTED: