diff options
Diffstat (limited to 'drivers/misc/hmc6352.c')
| -rw-r--r-- | drivers/misc/hmc6352.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/misc/hmc6352.c b/drivers/misc/hmc6352.c index 234bfca..ca938fc 100644 --- a/drivers/misc/hmc6352.c +++ b/drivers/misc/hmc6352.c @@ -75,7 +75,7 @@ static ssize_t compass_heading_data_show(struct device *dev, { struct i2c_client *client = to_i2c_client(dev); unsigned char i2c_data[2]; - unsigned int ret; + int ret; mutex_lock(&compass_mutex); ret = compass_command(client, 'A'); @@ -86,7 +86,7 @@ static ssize_t compass_heading_data_show(struct device *dev, msleep(10); /* sending 'A' cmd we need to wait for 7-10 millisecs */ ret = i2c_master_recv(client, i2c_data, 2); mutex_unlock(&compass_mutex); - if (ret != 1) { + if (ret < 0) { dev_warn(dev, "i2c read data cmd failed\n"); return ret; } |