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-rw-r--r--bsp/lpc54114-lite/drivers/drv_i2c.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/bsp/lpc54114-lite/drivers/drv_i2c.c b/bsp/lpc54114-lite/drivers/drv_i2c.c
index 74047129f8..0caee3453c 100644
--- a/bsp/lpc54114-lite/drivers/drv_i2c.c
+++ b/bsp/lpc54114-lite/drivers/drv_i2c.c
@@ -53,7 +53,7 @@ static rt_size_t master_xfer(struct rt_i2c_bus_device *bus, struct rt_i2c_msg ms
xfer.slaveAddress = msg->addr;
xfer.flags = kI2C_TransferDefaultFlag;
xfer.subaddress = 0;
- xfer.subaddressSize = 1;
+ xfer.subaddressSize = 0;
xfer.data = msg->buf;
xfer.dataSize = msg->len;