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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.c42
1 files changed, 25 insertions, 17 deletions
diff --git a/drivers/input/misc/pcf8574_keypad.c b/drivers/input/misc/pcf8574_keypad.c
index 4b42ffc0532a..08be1a355956 100644
--- a/drivers/input/misc/pcf8574_keypad.c
+++ b/drivers/input/misc/pcf8574_keypad.c
@@ -127,14 +127,6 @@ static int __devinit pcf8574_kp_probe(struct i2c_client *client, const struct i2
idev->id.product = 0x0001;
idev->id.version = 0x0100;
- input_set_drvdata(idev, lp);
-
- ret = input_register_device(idev);
- if (ret) {
- dev_err(&client->dev, "input_register_device() failed\n");
- goto fail_register;
- }
-
lp->laststate = read_state(lp);
ret = request_threaded_irq(client->irq, NULL, pcf8574_kp_irq_handler,
@@ -142,16 +134,21 @@ static int __devinit pcf8574_kp_probe(struct i2c_client *client, const struct i2
DRV_NAME, lp);
if (ret) {
dev_err(&client->dev, "IRQ %d is not free\n", client->irq);
- goto fail_irq;
+ goto fail_free_device;
+ }
+
+ ret = input_register_device(idev);
+ if (ret) {
+ dev_err(&client->dev, "input_register_device() failed\n");
+ goto fail_free_irq;
}
i2c_set_clientdata(client, lp);
return 0;
- fail_irq:
- input_unregister_device(idev);
- fail_register:
- input_set_drvdata(idev, NULL);
+ fail_free_irq:
+ free_irq(client->irq, lp);
+ fail_free_device:
input_free_device(idev);
fail_allocate:
kfree(lp);
@@ -172,19 +169,29 @@ static int __devexit pcf8574_kp_remove(struct i2c_client *client)
}
#ifdef CONFIG_PM
-static int pcf8574_kp_resume(struct i2c_client *client)
+static int pcf8574_kp_resume(struct device *dev)
{
+ struct i2c_client *client = to_i2c_client(dev);
+
enable_irq(client->irq);
return 0;
}
-static int pcf8574_kp_suspend(struct i2c_client *client, pm_message_t mesg)
+static int pcf8574_kp_suspend(struct device *dev)
{
+ struct i2c_client *client = to_i2c_client(dev);
+
disable_irq(client->irq);
return 0;
}
+
+static const struct dev_pm_ops pcf8574_kp_pm_ops = {
+ .suspend = pcf8574_kp_suspend,
+ .resume = pcf8574_kp_resume,
+};
+
#else
# define pcf8574_kp_resume NULL
# define pcf8574_kp_suspend NULL
@@ -200,11 +207,12 @@ static struct i2c_driver pcf8574_kp_driver = {
.driver = {
.name = DRV_NAME,
.owner = THIS_MODULE,
+#ifdef CONFIG_PM
+ .pm = &pcf8574_kp_pm_ops,
+#endif
},
.probe = pcf8574_kp_probe,
.remove = __devexit_p(pcf8574_kp_remove),
- .suspend = pcf8574_kp_suspend,
- .resume = pcf8574_kp_resume,
.id_table = pcf8574_kp_id,
};