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drm/i2c: tda9950: set MAX_RETRIES for errors only

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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.verkuil@cisco.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
This commit is contained in:
Hans Verkuil 2018-08-27 14:28:50 +02:00 committed by Russell King
parent d98627d136
commit e0dccce119
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/i2c/tda9950.c
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@ -188,7 +188,8 @@ 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;