From: Stelian Pop Added acpi_bus_generate event for forwarding Fn-keys pressed to acpi subsystem, and made correspondent necessary changes for this to work. Signed-off-by: Nilton Volpato Cc: Mattia Dongili Signed-off-by: Andrew Morton --- drivers/acpi/sony_acpi.c | 53 +++++++++++++++++++------------------ 1 files changed, 28 insertions(+), 25 deletions(-) diff -puN drivers/acpi/sony_acpi.c~sony_acpi-addacpi_bus_generate-event drivers/acpi/sony_acpi.c --- a/drivers/acpi/sony_acpi.c~sony_acpi-addacpi_bus_generate-event +++ a/drivers/acpi/sony_acpi.c @@ -54,6 +54,7 @@ MODULE_PARM_DESC(debug, "set this to 1 ( static acpi_handle sony_acpi_handle; static struct proc_dir_entry *sony_acpi_dir; +static struct acpi_device *sony_acpi_acpi_device = NULL; static int sony_backlight_update_status(struct backlight_device *bd); static int sony_backlight_get_brightness(struct backlight_device *bd); @@ -270,7 +271,9 @@ static int sony_acpi_resume(struct acpi_ static void sony_acpi_notify(acpi_handle handle, u32 event, void *data) { - printk(LOG_PFX "sony_acpi_notify\n"); + if (debug) + printk(LOG_PFX "sony_acpi_notify, event: %d\n", event); + acpi_bus_generate_event(sony_acpi_acpi_device, 1, event); } static acpi_status sony_walk_callback(acpi_handle handle, u32 level, @@ -295,6 +298,8 @@ static int sony_acpi_add(struct acpi_dev acpi_handle handle; struct sony_acpi_value *item; + sony_acpi_acpi_device = device; + sony_acpi_handle = device->handle; acpi_driver_data(device) = NULL; @@ -308,16 +313,16 @@ static int sony_acpi_add(struct acpi_dev result = -ENODEV; goto outwalk; } + } - status = acpi_install_notify_handler(sony_acpi_handle, - ACPI_DEVICE_NOTIFY, - sony_acpi_notify, - NULL); - if (ACPI_FAILURE(status)) { - printk(LOG_PFX "unable to install notify handler\n"); - result = -ENODEV; - goto outnotify; - } + status = acpi_install_notify_handler(sony_acpi_handle, + ACPI_DEVICE_NOTIFY, + sony_acpi_notify, + NULL); + if (ACPI_FAILURE(status)) { + printk(LOG_PFX "unable to install notify handler\n"); + result = -ENODEV; + goto outnotify; } if (ACPI_SUCCESS(acpi_get_handle(sony_acpi_handle, "GBRT", &handle))) { @@ -342,7 +347,7 @@ static int sony_acpi_add(struct acpi_dev item->acpiset, &handle))) continue; - item->proc = create_proc_entry(item->name, 0600, + item->proc = create_proc_entry(item->name, 0666, acpi_device_dir(device)); if (!item->proc) { printk(LOG_PFX "unable to create proc entry\n"); @@ -361,13 +366,11 @@ static int sony_acpi_add(struct acpi_dev return 0; outproc: - if (debug) { - status = acpi_remove_notify_handler(sony_acpi_handle, - ACPI_DEVICE_NOTIFY, - sony_acpi_notify); - if (ACPI_FAILURE(status)) - printk(LOG_PFX "unable to remove notify handler\n"); - } + status = acpi_remove_notify_handler(sony_acpi_handle, + ACPI_DEVICE_NOTIFY, + sony_acpi_notify); + if (ACPI_FAILURE(status)) + printk(LOG_PFX "unable to remove notify handler\n"); outnotify: for (item = sony_acpi_values; item->name; ++item) if (item->proc) @@ -384,13 +387,13 @@ static int sony_acpi_remove(struct acpi_ if (sony_backlight_device) backlight_device_unregister(sony_backlight_device); - if (debug) { - status = acpi_remove_notify_handler(sony_acpi_handle, - ACPI_DEVICE_NOTIFY, - sony_acpi_notify); - if (ACPI_FAILURE(status)) - printk(LOG_PFX "unable to remove notify handler\n"); - } + sony_acpi_acpi_device = NULL; + + status = acpi_remove_notify_handler(sony_acpi_handle, + ACPI_DEVICE_NOTIFY, + sony_acpi_notify); + if (ACPI_FAILURE(status)) + printk(LOG_PFX "unable to remove notify handler\n"); for (item = sony_acpi_values; item->name; ++item) if (item->proc) _