The CEC_TX_STATUS_MAX_RETRIES should be set for errors only to
prevent the CEC framework from retrying the transmit. If the
transmit was successful, then don't set this flag.

Found by running 'cec-compliance -A' on a beaglebone box.

Signed-off-by: Hans Verkuil <hans.verk...@cisco.com>
---
 drivers/gpu/drm/i2c/tda9950.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i2c/tda9950.c b/drivers/gpu/drm/i2c/tda9950.c
index 5d2f0d548469..4a14fc3b5011 100644
--- a/drivers/gpu/drm/i2c/tda9950.c
+++ b/drivers/gpu/drm/i2c/tda9950.c
@@ -191,7 +191,8 @@ static irqreturn_t tda9950_irq(int irq, void *data)
                        break;
                }
                /* TDA9950 executes all retries for us */
-               tx_status |= CEC_TX_STATUS_MAX_RETRIES;
+               if (tx_status != CEC_TX_STATUS_OK)
+                       tx_status |= CEC_TX_STATUS_MAX_RETRIES;
                cec_transmit_done(priv->adap, tx_status, arb_lost_cnt,
                                  nack_cnt, 0, err_cnt);
                break;
-- 
2.18.0


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