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-rw-r--r--drivers/i2c/i2c-core.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index cf14ca063181..6e1c2f54d9cf 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -1461,6 +1461,13 @@ static int i2c_detect(struct i2c_adapter *adapter, struct i2c_driver *driver)
1461 return err; 1461 return err;
1462} 1462}
1463 1463
1464int i2c_probe_func_quick_read(struct i2c_adapter *adap, unsigned short addr)
1465{
1466 return i2c_smbus_xfer(adap, addr, 0, I2C_SMBUS_READ, 0,
1467 I2C_SMBUS_QUICK, NULL) >= 0;
1468}
1469EXPORT_SYMBOL_GPL(i2c_probe_func_quick_read);
1470
1464struct i2c_client * 1471struct i2c_client *
1465i2c_new_probed_device(struct i2c_adapter *adap, 1472i2c_new_probed_device(struct i2c_adapter *adap,
1466 struct i2c_board_info *info, 1473 struct i2c_board_info *info,