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path: root/drivers/input/keyboard/ep93xx_keypad.c
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Diffstat (limited to 'drivers/input/keyboard/ep93xx_keypad.c')
-rw-r--r--drivers/input/keyboard/ep93xx_keypad.c78
1 files changed, 28 insertions, 50 deletions
diff --git a/drivers/input/keyboard/ep93xx_keypad.c b/drivers/input/keyboard/ep93xx_keypad.c
index c8242dd190d..e59876212b8 100644
--- a/drivers/input/keyboard/ep93xx_keypad.c
+++ b/drivers/input/keyboard/ep93xx_keypad.c
@@ -20,6 +20,7 @@
* flag.
*/
+#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/clk.h>
@@ -28,7 +29,7 @@
#include <linux/slab.h>
#include <mach/hardware.h>
-#include <mach/ep93xx_keypad.h>
+#include <linux/platform_data/keypad-ep93xx.h>
/*
* Keypad Interface Register offsets
@@ -181,16 +182,10 @@ static void ep93xx_keypad_close(struct input_dev *pdev)
}
-#ifdef CONFIG_PM
-/*
- * NOTE: I don't know if this is correct, or will work on the ep93xx.
- *
- * None of the existing ep93xx drivers have power management support.
- * But, this is basically what the pxa27x_keypad driver does.
- */
-static int ep93xx_keypad_suspend(struct platform_device *pdev,
- pm_message_t state)
+#ifdef CONFIG_PM_SLEEP
+static int ep93xx_keypad_suspend(struct device *dev)
{
+ struct platform_device *pdev = to_platform_device(dev);
struct ep93xx_keypad *keypad = platform_get_drvdata(pdev);
struct input_dev *input_dev = keypad->input_dev;
@@ -209,8 +204,9 @@ static int ep93xx_keypad_suspend(struct platform_device *pdev,
return 0;
}
-static int ep93xx_keypad_resume(struct platform_device *pdev)
+static int ep93xx_keypad_resume(struct device *dev)
{
+ struct platform_device *pdev = to_platform_device(dev);
struct ep93xx_keypad *keypad = platform_get_drvdata(pdev);
struct input_dev *input_dev = keypad->input_dev;
@@ -231,12 +227,12 @@ static int ep93xx_keypad_resume(struct platform_device *pdev)
return 0;
}
-#else /* !CONFIG_PM */
-#define ep93xx_keypad_suspend NULL
-#define ep93xx_keypad_resume NULL
-#endif /* !CONFIG_PM */
+#endif
-static int __devinit ep93xx_keypad_probe(struct platform_device *pdev)
+static SIMPLE_DEV_PM_OPS(ep93xx_keypad_pm_ops,
+ ep93xx_keypad_suspend, ep93xx_keypad_resume);
+
+static int ep93xx_keypad_probe(struct platform_device *pdev)
{
struct ep93xx_keypad *keypad;
const struct matrix_keymap_data *keymap_data;
@@ -248,7 +244,7 @@ static int __devinit ep93xx_keypad_probe(struct platform_device *pdev)
if (!keypad)
return -ENOMEM;
- keypad->pdata = pdev->dev.platform_data;
+ keypad->pdata = dev_get_platdata(&pdev->dev);
if (!keypad->pdata) {
err = -EINVAL;
goto failed_free;
@@ -307,22 +303,19 @@ static int __devinit ep93xx_keypad_probe(struct platform_device *pdev)
input_dev->open = ep93xx_keypad_open;
input_dev->close = ep93xx_keypad_close;
input_dev->dev.parent = &pdev->dev;
- input_dev->keycode = keypad->keycodes;
- input_dev->keycodesize = sizeof(keypad->keycodes[0]);
- input_dev->keycodemax = ARRAY_SIZE(keypad->keycodes);
- input_set_drvdata(input_dev, keypad);
+ err = matrix_keypad_build_keymap(keymap_data, NULL,
+ EP93XX_MATRIX_ROWS, EP93XX_MATRIX_COLS,
+ keypad->keycodes, input_dev);
+ if (err)
+ goto failed_free_dev;
- input_dev->evbit[0] = BIT_MASK(EV_KEY);
if (keypad->pdata->flags & EP93XX_KEYPAD_AUTOREPEAT)
- input_dev->evbit[0] |= BIT_MASK(EV_REP);
-
- matrix_keypad_build_keymap(keymap_data, 3,
- input_dev->keycode, input_dev->keybit);
- platform_set_drvdata(pdev, keypad);
+ __set_bit(EV_REP, input_dev->evbit);
+ input_set_drvdata(input_dev, keypad);
err = request_irq(keypad->irq, ep93xx_keypad_irq_handler,
- IRQF_DISABLED, pdev->name, keypad);
+ 0, pdev->name, keypad);
if (err)
goto failed_free_dev;
@@ -330,13 +323,13 @@ static int __devinit ep93xx_keypad_probe(struct platform_device *pdev)
if (err)
goto failed_free_irq;
+ platform_set_drvdata(pdev, keypad);
device_init_wakeup(&pdev->dev, 1);
return 0;
failed_free_irq:
- free_irq(keypad->irq, pdev);
- platform_set_drvdata(pdev, NULL);
+ free_irq(keypad->irq, keypad);
failed_free_dev:
input_free_device(input_dev);
failed_put_clk:
@@ -352,14 +345,12 @@ failed_free:
return err;
}
-static int __devexit ep93xx_keypad_remove(struct platform_device *pdev)
+static int ep93xx_keypad_remove(struct platform_device *pdev)
{
struct ep93xx_keypad *keypad = platform_get_drvdata(pdev);
struct resource *res;
- free_irq(keypad->irq, pdev);
-
- platform_set_drvdata(pdev, NULL);
+ free_irq(keypad->irq, keypad);
if (keypad->enabled)
clk_disable(keypad->clk);
@@ -383,25 +374,12 @@ static struct platform_driver ep93xx_keypad_driver = {
.driver = {
.name = "ep93xx-keypad",
.owner = THIS_MODULE,
+ .pm = &ep93xx_keypad_pm_ops,
},
.probe = ep93xx_keypad_probe,
- .remove = __devexit_p(ep93xx_keypad_remove),
- .suspend = ep93xx_keypad_suspend,
- .resume = ep93xx_keypad_resume,
+ .remove = ep93xx_keypad_remove,
};
-
-static int __init ep93xx_keypad_init(void)
-{
- return platform_driver_register(&ep93xx_keypad_driver);
-}
-
-static void __exit ep93xx_keypad_exit(void)
-{
- platform_driver_unregister(&ep93xx_keypad_driver);
-}
-
-module_init(ep93xx_keypad_init);
-module_exit(ep93xx_keypad_exit);
+module_platform_driver(ep93xx_keypad_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("H Hartley Sweeten <hsweeten@visionengravers.com>");