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path: root/drivers/input/misc/pcf8574_keypad.c
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Diffstat (limited to 'drivers/input/misc/pcf8574_keypad.c')
-rw-r--r--drivers/input/misc/pcf8574_keypad.c26
1 files changed, 9 insertions, 17 deletions
diff --git a/drivers/input/misc/pcf8574_keypad.c b/drivers/input/misc/pcf8574_keypad.c
index 08be1a35595..97f711a7bd2 100644
--- a/drivers/input/misc/pcf8574_keypad.c
+++ b/drivers/input/misc/pcf8574_keypad.c
@@ -7,7 +7,6 @@
*/
#include <linux/module.h>
-#include <linux/init.h>
#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/i2c.h>
@@ -82,7 +81,7 @@ static irqreturn_t pcf8574_kp_irq_handler(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static int __devinit pcf8574_kp_probe(struct i2c_client *client, const struct i2c_device_id *id)
+static int pcf8574_kp_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
int i, ret;
struct input_dev *idev;
@@ -113,9 +112,12 @@ static int __devinit pcf8574_kp_probe(struct i2c_client *client, const struct i2
idev->keycodemax = ARRAY_SIZE(lp->btncode);
for (i = 0; i < ARRAY_SIZE(pcf8574_kp_btncode); i++) {
- lp->btncode[i] = pcf8574_kp_btncode[i];
- __set_bit(lp->btncode[i] & KEY_MAX, idev->keybit);
+ if (lp->btncode[i] <= KEY_MAX) {
+ lp->btncode[i] = pcf8574_kp_btncode[i];
+ __set_bit(lp->btncode[i], idev->keybit);
+ }
}
+ __clear_bit(KEY_RESERVED, idev->keybit);
sprintf(lp->name, DRV_NAME);
sprintf(lp->phys, "kp_data/input0");
@@ -156,7 +158,7 @@ static int __devinit pcf8574_kp_probe(struct i2c_client *client, const struct i2
return ret;
}
-static int __devexit pcf8574_kp_remove(struct i2c_client *client)
+static int pcf8574_kp_remove(struct i2c_client *client)
{
struct kp_data *lp = i2c_get_clientdata(client);
@@ -212,21 +214,11 @@ static struct i2c_driver pcf8574_kp_driver = {
#endif
},
.probe = pcf8574_kp_probe,
- .remove = __devexit_p(pcf8574_kp_remove),
+ .remove = pcf8574_kp_remove,
.id_table = pcf8574_kp_id,
};
-static int __init pcf8574_kp_init(void)
-{
- return i2c_add_driver(&pcf8574_kp_driver);
-}
-module_init(pcf8574_kp_init);
-
-static void __exit pcf8574_kp_exit(void)
-{
- i2c_del_driver(&pcf8574_kp_driver);
-}
-module_exit(pcf8574_kp_exit);
+module_i2c_driver(pcf8574_kp_driver);
MODULE_AUTHOR("Michael Hennerich");
MODULE_DESCRIPTION("Keypad input driver for 16 keys connected to PCF8574");