diff options
| -rw-r--r-- | drivers/i2c/rk_i2c.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/i2c/rk_i2c.c b/drivers/i2c/rk_i2c.c index a4c0032..7c701cb 100644 --- a/drivers/i2c/rk_i2c.c +++ b/drivers/i2c/rk_i2c.c @@ -269,9 +269,9 @@ static int rk_i2c_write(struct rk_i2c *i2c, uchar chip, uint reg, uint r_len, if ((i * 4 + j) == bytes_xferred) break; - if (i == 0 && j == 0) { + if (i == 0 && j == 0 && pbuf == buf) { txdata |= (chip << 1); - } else if (i == 0 && j <= r_len) { + } else if (i == 0 && j <= r_len && pbuf == buf) { txdata |= (reg & (0xff << ((j - 1) * 8))) << 8; } else { |