i2c_smbus_write_byte_data() returns zero or negative value,
therefore no need to check if ret is greater than zero or not.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
static int lp3971_i2c_write(struct i2c_client *i2c, char reg, int count,
const u16 *src)
{
- int ret;
-
if (count != 1)
return -EIO;
- ret = i2c_smbus_write_byte_data(i2c, reg, *src);
- if (ret >= 0)
- return 0;
-
- return ret;
+ return i2c_smbus_write_byte_data(i2c, reg, *src);
}
static u8 lp3971_reg_read(struct lp3971 *lp3971, u8 reg)