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authorZhang Rui <rui.zhang@intel.com>2007-08-23 01:24:31 +0800
committerLen Brown <len.brown@intel.com>2007-08-23 14:27:23 -0400
commit962ce8ca0604af0c3c5609f7613d4ec5fcfac623 (patch)
tree8a9fcb67251129a382e202759389d2b72de4b621 /drivers/acpi/event.c
parentb377fd3982ad957c796758a90e2988401a884241 (diff)
downloadlinux-962ce8ca0604af0c3c5609f7613d4ec5fcfac623.tar.bz2
ACPI: don't duplicate input events on netlink
The previous events patch added a netlink event for every user of the legacy /proc/acpi/event interface. However, some users of /proc/acpi/event are really input events, and they already report their events via the input layer. Introduce a new interface, acpi_bus_generate_netlink_event(), which is explicitly called by devices that want to repoprt events via netlink. This allows the input-like events to opt-out of generating netlink events. In summary: events that are sent via netlink: ac/battery/sbs thermal processor thinkpad_acpi dock/bay events that are sent via input layer: button video hotkey thinkpad_acpi hotkey asus_acpi/asus-laptop hotkey sonypi/sonylaptop Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/event.c')
-rw-r--r--drivers/acpi/event.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/acpi/event.c b/drivers/acpi/event.c
index 95637a4ff782..b7b143288c22 100644
--- a/drivers/acpi/event.c
+++ b/drivers/acpi/event.c
@@ -147,7 +147,8 @@ static struct genl_multicast_group acpi_event_mcgrp = {
.name = ACPI_GENL_MCAST_GROUP_NAME,
};
-int acpi_bus_generate_genetlink_event(struct acpi_device *device,
+int acpi_bus_generate_netlink_event(const char *device_class,
+ const char *bus_id,
u8 type, int data)
{
struct sk_buff *skb;
@@ -191,8 +192,8 @@ int acpi_bus_generate_genetlink_event(struct acpi_device *device,
memset(event, 0, sizeof(struct acpi_genl_event));
- strcpy(event->device_class, device->pnp.device_class);
- strcpy(event->bus_id, device->dev.bus_id);
+ strcpy(event->device_class, device_class);
+ strcpy(event->bus_id, bus_id);
event->type = type;
event->data = data;
@@ -211,6 +212,8 @@ int acpi_bus_generate_genetlink_event(struct acpi_device *device,
return 0;
}
+EXPORT_SYMBOL(acpi_bus_generate_netlink_event);
+
static int acpi_event_genetlink_init(void)
{
int result;
@@ -228,12 +231,14 @@ static int acpi_event_genetlink_init(void)
}
#else
-int acpi_bus_generate_genetlink_event(struct acpi_device *device, u8 type,
+int acpi_bus_generate_netlink_event(struct acpi_device *device, u8 type,
int data)
{
return 0;
}
+EXPORT_SYMBOL(acpi_generate_netlink_event);
+
static int acpi_event_genetlink_init(void)
{
return -ENODEV;