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periph_common/i2c: fix ret code handling

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Signed-off-by: dylad <dylan.laduranty@mesotic.com>
This commit is contained in:
dylad 2018-05-24 15:58:26 +02:00
parent 6f25886d77
commit 39cb0e2bdb
1 changed files with 2 additions and 2 deletions
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4
drivers/periph_common/i2c.c
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@ -38,7 +38,7 @@ int i2c_read_regs(i2c_t dev, uint16_t addr, uint16_t reg,
/* First set ADDR and register with no stop */
err = i2c_write_bytes(dev, addr, &reg, (flags & I2C_REG16) ? 2 : 1,
flags & I2C_NOSTOP );
if (err != I2C_ACK) {
if (err < 0) {
return err;
}
/* Then get the data from device */
@ -70,7 +70,7 @@ int i2c_write_regs(i2c_t dev, uint16_t addr, uint16_t reg,
/* First set ADDR and register with no stop */
err = i2c_write_bytes(dev, addr, &reg, (flags & I2C_REG16) ? 2 : 1,
flags & I2C_NOSTOP );
if (err != I2C_ACK) {
if (err < 0) {
return err;
}
/* Then write data to the device */