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path: root/drivers/input/touchscreen/ad7879-i2c.c
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Diffstat (limited to 'drivers/input/touchscreen/ad7879-i2c.c')
-rw-r--r--drivers/input/touchscreen/ad7879-i2c.c50
1 files changed, 8 insertions, 42 deletions
diff --git a/drivers/input/touchscreen/ad7879-i2c.c b/drivers/input/touchscreen/ad7879-i2c.c
index d82a38ee9a3..dcf39077154 100644
--- a/drivers/input/touchscreen/ad7879-i2c.c
+++ b/drivers/input/touchscreen/ad7879-i2c.c
@@ -10,34 +10,12 @@
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/types.h>
+#include <linux/pm.h>
#include "ad7879.h"
#define AD7879_DEVID 0x79 /* AD7879-1/AD7889-1 */
-#ifdef CONFIG_PM
-static int ad7879_i2c_suspend(struct i2c_client *client, pm_message_t message)
-{
- struct ad7879 *ts = i2c_get_clientdata(client);
-
- ad7879_suspend(ts);
-
- return 0;
-}
-
-static int ad7879_i2c_resume(struct i2c_client *client)
-{
- struct ad7879 *ts = i2c_get_clientdata(client);
-
- ad7879_resume(ts);
-
- return 0;
-}
-#else
-# define ad7879_i2c_suspend NULL
-# define ad7879_i2c_resume NULL
-#endif
-
/* All registers are word-sized.
* AD7879 uses a high-byte first convention.
*/
@@ -45,7 +23,7 @@ static int ad7879_i2c_read(struct device *dev, u8 reg)
{
struct i2c_client *client = to_i2c_client(dev);
- return swab16(i2c_smbus_read_word_data(client, reg));
+ return i2c_smbus_read_word_swapped(client, reg);
}
static int ad7879_i2c_multi_read(struct device *dev,
@@ -66,7 +44,7 @@ static int ad7879_i2c_write(struct device *dev, u8 reg, u16 val)
{
struct i2c_client *client = to_i2c_client(dev);
- return i2c_smbus_write_word_data(client, reg, swab16(val));
+ return i2c_smbus_write_word_swapped(client, reg, val);
}
static const struct ad7879_bus_ops ad7879_i2c_bus_ops = {
@@ -76,7 +54,7 @@ static const struct ad7879_bus_ops ad7879_i2c_bus_ops = {
.write = ad7879_i2c_write,
};
-static int __devinit ad7879_i2c_probe(struct i2c_client *client,
+static int ad7879_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct ad7879 *ts;
@@ -97,7 +75,7 @@ static int __devinit ad7879_i2c_probe(struct i2c_client *client,
return 0;
}
-static int __devexit ad7879_i2c_remove(struct i2c_client *client)
+static int ad7879_i2c_remove(struct i2c_client *client)
{
struct ad7879 *ts = i2c_get_clientdata(client);
@@ -117,27 +95,15 @@ static struct i2c_driver ad7879_i2c_driver = {
.driver = {
.name = "ad7879",
.owner = THIS_MODULE,
+ .pm = &ad7879_pm_ops,
},
.probe = ad7879_i2c_probe,
- .remove = __devexit_p(ad7879_i2c_remove),
- .suspend = ad7879_i2c_suspend,
- .resume = ad7879_i2c_resume,
+ .remove = ad7879_i2c_remove,
.id_table = ad7879_id,
};
-static int __init ad7879_i2c_init(void)
-{
- return i2c_add_driver(&ad7879_i2c_driver);
-}
-module_init(ad7879_i2c_init);
-
-static void __exit ad7879_i2c_exit(void)
-{
- i2c_del_driver(&ad7879_i2c_driver);
-}
-module_exit(ad7879_i2c_exit);
+module_i2c_driver(ad7879_i2c_driver);
MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>");
MODULE_DESCRIPTION("AD7879(-1) touchscreen I2C bus driver");
MODULE_LICENSE("GPL");
-MODULE_ALIAS("i2c:ad7879");