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Subject[PATCH 2/3] ACPI: Send switch event on dock events
Send a switch event on docking for consistency with docks that don't 
present as a separate device.

Signed-off-by: Matthew Garrett <mjg@redhat.com>

---
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index fa44fb9..a67e74c 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -25,6 +25,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
+#include <linux/input.h>
#include <linux/types.h>
#include <linux/notifier.h>
#include <linux/platform_device.h>
@@ -65,6 +66,7 @@ struct dock_station {
struct mutex hp_lock;
struct list_head dependent_devices;
struct list_head hotplug_devices;
+ struct input_dev *dock_input;
};

struct dock_dependent_device {
@@ -345,10 +347,13 @@ static void dock_event(struct dock_station *ds, u32 event, int num)
char event_string[13];
char *envp[] = { event_string, NULL };

- if (num == UNDOCK_EVENT)
+ if (num == UNDOCK_EVENT) {
+ input_report_switch(dock_station->dock_input, SW_DOCK, 0);
sprintf(event_string, "EVENT=undock");
- else
+ } else {
+ input_report_switch(dock_station->dock_input, SW_DOCK, 1);
sprintf(event_string, "EVENT=dock");
+ }

/*
* Indicate that the status of the dock station has
@@ -834,6 +839,19 @@ static int dock_add(acpi_handle handle)
goto dock_add_err;
}

+ /* Set up input device */
+ dock_station->dock_input = input_allocate_device();
+ dock_station->dock_input->name = "ACPI dock";
+ dock_station->dock_input->phys = "dock/input0";
+ dock_station->dock_input->id.bustype = BUS_HOST;
+ dock_station->dock_input->dev.parent = &dock_device->dev;
+ set_bit(EV_SW, dock_station->dock_input->evbit);
+ set_bit(SW_DOCK, dock_station->dock_input->swbit);
+ ret = input_register_device(dock_station->dock_input);
+
+ if (ret)
+ input_free_device(dock_station->dock_input);
+
printk(KERN_INFO PREFIX "%s \n", ACPI_DOCK_DRIVER_DESCRIPTION);

return 0;
@@ -881,6 +899,8 @@ static int dock_remove(void)
device_remove_file(&dock_device->dev, &dev_attr_flags);
platform_device_unregister(dock_device);

+ input_unregister_device(dock_station->dock_input);
+
/* free dock station memory */
kfree(dock_station);
dock_station = NULL;
--
Matthew Garrett | mjg59@srcf.ucam.org

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