audio: a2220: remove compile warnings

[linux-3.10.git] / drivers / misc / isl29020.c

diff --git a/drivers/misc/isl29020.c b/drivers/misc/isl29020.c
index 34fe835921c4b751beafaff119ca97fb352e63f6..0aa08c746463dc4ca3645fbfb96cbcb65b6275d2 100644 (file)
--- a/drivers/misc/isl29020.c
+++ b/drivers/misc/isl29020.c
@@ -87,7 +87,7 @@ static ssize_t als_sensing_range_store(struct device *dev,
                struct device_attribute *attr, const  char *buf, size_t count)
 {
        struct i2c_client *client = to_i2c_client(dev);
-       unsigned int ret_val;
+       int ret_val;
        unsigned long val;
 
        if (strict_strtoul(buf, 10, &val))
@@ -106,6 +106,8 @@ static ssize_t als_sensing_range_store(struct device *dev,
                val = 4;
 
        ret_val = i2c_smbus_read_byte_data(client, 0x00);
+       if (ret_val < 0)
+               return ret_val;
 
        ret_val &= 0xFC; /*reset the bit before setting them */
        ret_val |= val - 1;
@@ -156,7 +158,7 @@ static int als_set_default_config(struct i2c_client *client)
                dev_err(&client->dev, "default write failed.");
                return retval;
        }
-       return 0;;
+       return 0;
 }
 
 static int  isl29020_probe(struct i2c_client *client,
@@ -181,9 +183,7 @@ static int  isl29020_probe(struct i2c_client *client,
 
 static int isl29020_remove(struct i2c_client *client)
 {
-       struct als_data *data = i2c_get_clientdata(client);
        sysfs_remove_group(&client->dev.kobj, &m_als_gr);
-       kfree(data);
        return 0;
 }
 
@@ -230,19 +230,8 @@ static struct i2c_driver isl29020_driver = {
        .id_table = isl29020_id,
 };
 
-static int __init sensor_isl29020_init(void)
-{
-       return i2c_add_driver(&isl29020_driver);
-}
-
-static void  __exit sensor_isl29020_exit(void)
-{
-       i2c_del_driver(&isl29020_driver);
-}
-
-module_init(sensor_isl29020_init);
-module_exit(sensor_isl29020_exit);
+module_i2c_driver(isl29020_driver);
 
-MODULE_AUTHOR("Kalhan Trisal <kalhan.trisal@intel.com");
+MODULE_AUTHOR("Kalhan Trisal <kalhan.trisal@intel.com>");
 MODULE_DESCRIPTION("Intersil isl29020 ALS Driver");
 MODULE_LICENSE("GPL v2");