[PATCH 07/41] sony_acpi: Add acpi_bus_generate event

Len Brown
2007-02-13T05:49:58Z

From: Stelian Pop <stelian@popies.net>

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 <nilton.volpato@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
---
drivers/acpi/sony_acpi.c | 53 ++++++++++++++++++++++++---------------------
1 files changed, 28 insertions(+), 25 deletions(-)

diff --git a/drivers/acpi/sony_acpi.c b/drivers/acpi/sony_acpi.c
index 195895c..138f2b6 100644
--- a/drivers/acpi/sony_acpi.c
+++ b/drivers/acpi/sony_acpi.c
@@ -54,6 +54,7 @@ MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "

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_device *device)

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_device *device)
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_device *device)
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_device *device)
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_device *device)
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_device *device, int type)
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)
--
1.5.0.rc4.345.gb4d2