diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/char/sonypi.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c index 6a9e23dc489..f8dd8527c6a 100644 --- a/drivers/char/sonypi.c +++ b/drivers/char/sonypi.c @@ -510,6 +510,11 @@ static struct sonypi_device { #define SONYPI_ACPI_ACTIVE 0 #endif /* CONFIG_ACPI */ +#ifdef CONFIG_ACPI +static struct acpi_device *sonypi_acpi_device; +static int acpi_enabled; +#endif + static int sonypi_ec_write(u8 addr, u8 value) { #ifdef CONFIG_ACPI_EC @@ -863,6 +868,11 @@ found: if (useinput) sonypi_report_input_event(event); +#ifdef CONFIG_ACPI + if (acpi_enabled) + acpi_bus_generate_event(sonypi_acpi_device, 1, event); +#endif + kfifo_put(sonypi_device.fifo, (unsigned char *)&event, sizeof(event)); kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN); wake_up_interruptible(&sonypi_device.fifo_proc_list); @@ -1164,6 +1174,32 @@ static int sonypi_disable(void) return 0; } +#ifdef CONFIG_ACPI +static int sonypi_acpi_add(struct acpi_device *device) +{ + sonypi_acpi_device = device; + strcpy(acpi_device_name(device), "Sony laptop hotkeys"); + strcpy(acpi_device_class(device), "sony/hotkey"); + return 0; +} + +static int sonypi_acpi_remove(struct acpi_device *device, int type) +{ + sonypi_acpi_device = NULL; + return 0; +} + +static struct acpi_driver sonypi_acpi_driver = { + .name = "sonypi", + .class = "hkey", + .ids = "SNY6001", + .ops = { + .add = sonypi_acpi_add, + .remove = sonypi_acpi_remove, + }, +}; +#endif + static int __devinit sonypi_create_input_devices(void) { struct input_dev *jog_dev; @@ -1511,6 +1547,11 @@ static int __init sonypi_init(void) if (error) goto err_free_device; +#ifdef CONFIG_ACPI + if (acpi_bus_register_driver(&sonypi_acpi_driver) > 0) + acpi_enabled = 1; +#endif + return 0; err_free_device: @@ -1522,6 +1563,10 @@ static int __init sonypi_init(void) static void __exit sonypi_exit(void) { +#ifdef CONFIG_ACPI + if (acpi_enabled) + acpi_bus_unregister_driver(&sonypi_acpi_driver); +#endif platform_device_unregister(sonypi_platform_device); platform_driver_unregister(&sonypi_driver); printk(KERN_INFO "sonypi: removed.\n"); |