mirror of https://gitee.com/openkylin/linux.git
V4L/DVB: cx23885: Return -ENXIO on slave nack
Documentation/i2c/fault-codes says that i2c adapter drivers should return -ENXIO when no slave acks an address byte. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Andy Walls <awalls@md.metrocast.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -99,7 +99,7 @@ static int i2c_sendbytes(struct i2c_adapter *i2c_adap,
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if (!i2c_wait_done(i2c_adap))
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return -EIO;
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if (!i2c_slave_did_ack(i2c_adap))
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return -EIO;
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return -ENXIO;
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dprintk(1, "%s() returns 0\n", __func__);
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return 0;
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@ -185,7 +185,7 @@ static int i2c_readbytes(struct i2c_adapter *i2c_adap,
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if (!i2c_wait_done(i2c_adap))
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return -EIO;
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if (!i2c_slave_did_ack(i2c_adap))
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return -EIO;
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return -ENXIO;
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dprintk(1, "%s() returns 0\n", __func__);
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