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Input: pcspkr - register with driver core as a platfrom device

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Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Dmitry Torokhov 2005-12-21 00:52:22 -05:00
parent 1f1a91e033
commit 5931774735
1 changed files with 80 additions and 6 deletions
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86
drivers/input/misc/pcspkr.c
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@ -16,6 +16,7 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/input.h>
#include <linux/platform_device.h>
#include <asm/8253pit.h>
#include <asm/io.h>
@ -23,8 +24,7 @@ MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
MODULE_DESCRIPTION("PC Speaker beeper driver");
MODULE_LICENSE("GPL");
static struct input_dev *pcspkr_dev;
static struct platform_device *pcspkr_platform_device;
static DEFINE_SPINLOCK(i8253_beep_lock);
static int pcspkr_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
@ -64,8 +64,11 @@ static int pcspkr_event(struct input_dev *dev, unsigned int type, unsigned int c
return 0;
}
static int __init pcspkr_init(void)
static int __devinit pcspkr_probe(struct platform_device *dev)
{
struct input_dev *pcspkr_dev;
int err;
pcspkr_dev = input_allocate_device();
if (!pcspkr_dev)
return -ENOMEM;
@ -76,22 +79,93 @@ static int __init pcspkr_init(void)
pcspkr_dev->id.vendor = 0x001f;
pcspkr_dev->id.product = 0x0001;
pcspkr_dev->id.version = 0x0100;
pcspkr_dev->cdev.dev = &dev->dev;
pcspkr_dev->evbit[0] = BIT(EV_SND);
pcspkr_dev->sndbit[0] = BIT(SND_BELL) | BIT(SND_TONE);
pcspkr_dev->event = pcspkr_event;
input_register_device(pcspkr_dev);
err = input_register_device(pcspkr_dev);
if (err) {
input_free_device(pcspkr_dev);
return err;
}
platform_set_drvdata(dev, pcspkr_dev);
return 0;
}
static void __exit pcspkr_exit(void)
static int __devexit pcspkr_remove(struct platform_device *dev)
{
struct input_dev *pcspkr_dev = platform_get_drvdata(dev);
input_unregister_device(pcspkr_dev);
platform_set_drvdata(dev, NULL);
/* turn off the speaker */
pcspkr_event(NULL, EV_SND, SND_BELL, 0);
return 0;
}
static int pcspkr_suspend(struct platform_device *dev, pm_message_t state)
{
pcspkr_event(NULL, EV_SND, SND_BELL, 0);
return 0;
}
static void pcspkr_shutdown(struct platform_device *dev)
{
input_unregister_device(pcspkr_dev);
/* turn off the speaker */
pcspkr_event(NULL, EV_SND, SND_BELL, 0);
}
static struct platform_driver pcspkr_platform_driver = {
.driver = {
.name = "pcspkr",
.owner = THIS_MODULE,
},
.probe = pcspkr_probe,
.remove = __devexit_p(pcspkr_remove),
.suspend = pcspkr_suspend,
.shutdown = pcspkr_shutdown,
};
static int __init pcspkr_init(void)
{
int err;
err = platform_driver_register(&pcspkr_platform_driver);
if (err)
return err;
pcspkr_platform_device = platform_device_alloc("pcspkr", -1);
if (!pcspkr_platform_device) {
err = -ENOMEM;
goto err_unregister_driver;
}
err = platform_device_add(pcspkr_platform_device);
if (err)
goto err_free_device;
return 0;
err_free_device:
platform_device_put(pcspkr_platform_device);
err_unregister_driver:
platform_driver_unregister(&pcspkr_platform_driver);
return err;
}
static void __exit pcspkr_exit(void)
{
platform_device_unregister(pcspkr_platform_device);
platform_driver_unregister(&pcspkr_platform_driver);
}
module_init(pcspkr_init);
module_exit(pcspkr_exit);