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path: root/drivers/misc/apds9802als.c
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Diffstat (limited to 'drivers/misc/apds9802als.c')
-rw-r--r--drivers/misc/apds9802als.c49
1 files changed, 11 insertions, 38 deletions
diff --git a/drivers/misc/apds9802als.c b/drivers/misc/apds9802als.c
index 81db7811cf6..c6cc3dc8ae1 100644
--- a/drivers/misc/apds9802als.c
+++ b/drivers/misc/apds9802als.c
@@ -22,7 +22,6 @@
*/
#include <linux/module.h>
-#include <linux/init.h>
#include <linux/slab.h>
#include <linux/i2c.h>
#include <linux/err.h>
@@ -68,7 +67,7 @@ static int als_wait_for_data_ready(struct device *dev)
ret = i2c_smbus_read_byte_data(client, 0x86);
} while (!(ret & 0x80) && retry--);
- if (!retry) {
+ if (retry < 0) {
dev_warn(dev, "timeout waiting for data ready\n");
return -ETIMEDOUT;
}
@@ -126,8 +125,9 @@ static ssize_t als_sensing_range_store(struct device *dev,
int ret_val;
unsigned long val;
- if (strict_strtoul(buf, 10, &val))
- return -EINVAL;
+ ret_val = kstrtoul(buf, 10, &val);
+ if (ret_val)
+ return ret_val;
if (val < 4096)
val = 1;
@@ -254,7 +254,7 @@ als_error1:
return res;
}
-static int __devexit apds9802als_remove(struct i2c_client *client)
+static int apds9802als_remove(struct i2c_client *client)
{
struct als_data *data = i2c_get_clientdata(client);
@@ -272,19 +272,8 @@ static int __devexit apds9802als_remove(struct i2c_client *client)
}
#ifdef CONFIG_PM
-static int apds9802als_suspend(struct i2c_client *client, pm_message_t mesg)
-{
- als_set_power_state(client, false);
- return 0;
-}
-
-static int apds9802als_resume(struct i2c_client *client)
-{
- als_set_default_config(client);
- return 0;
-}
-static int apds9802als_runtime_suspend(struct device *dev)
+static int apds9802als_suspend(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
@@ -292,7 +281,7 @@ static int apds9802als_runtime_suspend(struct device *dev)
return 0;
}
-static int apds9802als_runtime_resume(struct device *dev)
+static int apds9802als_resume(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
@@ -300,16 +289,12 @@ static int apds9802als_runtime_resume(struct device *dev)
return 0;
}
-static const struct dev_pm_ops apds9802als_pm_ops = {
- .runtime_suspend = apds9802als_runtime_suspend,
- .runtime_resume = apds9802als_runtime_resume,
-};
+static UNIVERSAL_DEV_PM_OPS(apds9802als_pm_ops, apds9802als_suspend,
+ apds9802als_resume, NULL);
#define APDS9802ALS_PM_OPS (&apds9802als_pm_ops)
#else /* CONFIG_PM */
-#define apds9802als_suspend NULL
-#define apds9802als_resume NULL
#define APDS9802ALS_PM_OPS NULL
#endif /* CONFIG_PM */
@@ -326,23 +311,11 @@ static struct i2c_driver apds9802als_driver = {
.pm = APDS9802ALS_PM_OPS,
},
.probe = apds9802als_probe,
- .remove = __devexit_p(apds9802als_remove),
- .suspend = apds9802als_suspend,
- .resume = apds9802als_resume,
+ .remove = apds9802als_remove,
.id_table = apds9802als_id,
};
-static int __init sensor_apds9802als_init(void)
-{
- return i2c_add_driver(&apds9802als_driver);
-}
-
-static void __exit sensor_apds9802als_exit(void)
-{
- i2c_del_driver(&apds9802als_driver);
-}
-module_init(sensor_apds9802als_init);
-module_exit(sensor_apds9802als_exit);
+module_i2c_driver(apds9802als_driver);
MODULE_AUTHOR("Anantha Narayanan <Anantha.Narayanan@intel.com");
MODULE_DESCRIPTION("Avago apds9802als ALS Driver");