Input: m68kspkr - register with driver core as a platfrom device
Signed-off-by: Dmitry Torokhov <[email protected]>
---
drivers/input/misc/m68kspkr.c | 104 ++++++++++++++++++++++++++++++++++--------
1 files changed, 86 insertions(+), 18 deletions(-)
Index: work/drivers/input/misc/m68kspkr.c
===================================================================
--- work.orig/drivers/input/misc/m68kspkr.c
+++ work/drivers/input/misc/m68kspkr.c
@@ -17,6 +17,7 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/input.h>
+#include <linux/platform_device.h>
#include <asm/machdep.h>
#include <asm/io.h>
@@ -24,7 +25,7 @@ MODULE_AUTHOR("Richard Zidlicky <rz@linu
MODULE_DESCRIPTION("m68k beeper driver");
MODULE_LICENSE("GPL");
-static struct input_dev *m68kspkr_dev;
+static struct platform_device *m68kspkr_platform_device;
static int m68kspkr_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
{
@@ -47,36 +48,103 @@ static int m68kspkr_event(struct input_d
return 0;
}
+static int __devinit m68kspkr_probe(struct platform_device *dev)
+{
+ struct input_dev *input_dev;
+ int err;
+
+ input_dev = input_allocate_device();
+ if (!input_dev)
+ return -ENOMEM;
+
+ input_dev->name = "m68k beeper";
+ input_dev->phys = "m68k/generic";
+ input_dev->id.bustype = BUS_HOST;
+ input_dev->id.vendor = 0x001f;
+ input_dev->id.product = 0x0001;
+ input_dev->id.version = 0x0100;
+ input_dev->cdev.dev = &dev->dev;
+
+ input_dev->evbit[0] = BIT(EV_SND);
+ input_dev->sndbit[0] = BIT(SND_BELL) | BIT(SND_TONE);
+ input_dev->event = m68kspkr_event;
+
+ err = input_register_device(input_dev);
+ if (err) {
+ input_free_device(input_dev);
+ return err;
+ }
+
+ platform_set_drvdata(dev, input_dev);
+
+ return 0;
+}
+
+static int __devexit m68kspkr_remove(struct platform_device *dev)
+{
+ struct input_dev *input_dev = platform_get_drvdata(dev);
+
+ input_unregister_device(input_dev);
+ platform_set_drvdata(dev, NULL);
+ /* turn off the speaker */
+ m68kspkr_event(NULL, EV_SND, SND_BELL, 0);
+
+ return 0;
+}
+
+static void m68kspkr_shutdown(struct platform_device *dev)
+{
+ /* turn off the speaker */
+ m68kspkr_event(NULL, EV_SND, SND_BELL, 0);
+}
+
+static struct platform_driver m68kspkr_platform_driver = {
+ .driver = {
+ .name = "m68kspkr",
+ .owner = THIS_MODULE,
+ },
+ .probe = m68kspkr_probe,
+ .remove = __devexit_p(m68kspkr_remove),
+ .shutdown = m68kspkr_shutdown,
+};
+
static int __init m68kspkr_init(void)
{
- if (!mach_beep) {
+ int err;
+
+ if (!mach_beep) {
printk(KERN_INFO "m68kspkr: no lowlevel beep support\n");
return -ENODEV;
}
- m68kspkr_dev = input_allocate_device();
- if (!m68kspkr_dev)
- return -ENOMEM;
-
- m68kspkr_dev->name = "m68k beeper";
- m68kspkr_dev->phys = "m68k/generic";
- m68kspkr_dev->id.bustype = BUS_HOST;
- m68kspkr_dev->id.vendor = 0x001f;
- m68kspkr_dev->id.product = 0x0001;
- m68kspkr_dev->id.version = 0x0100;
-
- m68kspkr_dev->evbit[0] = BIT(EV_SND);
- m68kspkr_dev->sndbit[0] = BIT(SND_BELL) | BIT(SND_TONE);
- m68kspkr_dev->event = m68kspkr_event;
+ err = platform_driver_register(&m68kspkr_platform_driver);
+ if (err)
+ return err;
+
+ m68kspkr_platform_device = platform_device_alloc("m68kspkr", -1);
+ if (!m68kspkr_platform_device) {
+ err = -ENOMEM;
+ goto err_unregister_driver;
+ }
- input_register_device(m68kspkr_dev);
+ err = platform_device_add(m68kspkr_platform_device);
+ if (err)
+ goto err_free_device;
return 0;
+
+ err_free_device:
+ platform_device_put(m68kspkr_platform_device);
+ err_unregister_driver:
+ platform_driver_unregister(&m68kspkr_platform_driver);
+
+ return err;
}
static void __exit m68kspkr_exit(void)
{
- input_unregister_device(m68kspkr_dev);
+ platform_device_unregister(m68kspkr_platform_device);
+ platform_driver_unregister(&m68kspkr_platform_driver);
}
module_init(m68kspkr_init);
-
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