Pull sony into release branch

[pandora-kernel.git] / drivers / acpi / dock.c

diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index 90990a4..54a697f 100644 (file)
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -32,11 +32,11 @@
 #include <acpi/acpi_bus.h>
 #include <acpi/acpi_drivers.h>
 
-#define ACPI_DOCK_DRIVER_NAME "ACPI Dock Station Driver"
+#define ACPI_DOCK_DRIVER_DESCRIPTION "ACPI Dock Station Driver"
 
-ACPI_MODULE_NAME("dock")
+ACPI_MODULE_NAME("dock");
 MODULE_AUTHOR("Kristen Carlson Accardi");
-MODULE_DESCRIPTION(ACPI_DOCK_DRIVER_NAME);
+MODULE_DESCRIPTION(ACPI_DOCK_DRIVER_DESCRIPTION);
 MODULE_LICENSE("GPL");
 
 static struct atomic_notifier_head dock_notifier_list;
@@ -615,20 +615,28 @@ static acpi_status
 find_dock_devices(acpi_handle handle, u32 lvl, void *context, void **rv)
 {
        acpi_status status;
-       acpi_handle tmp;
+       acpi_handle tmp, parent;
        struct dock_station *ds = context;
        struct dock_dependent_device *dd;
 
        status = acpi_bus_get_ejd(handle, &tmp);
-       if (ACPI_FAILURE(status))
-               return AE_OK;
+       if (ACPI_FAILURE(status)) {
+               /* try the parent device as well */
+               status = acpi_get_parent(handle, &parent);
+               if (ACPI_FAILURE(status))
+                       goto fdd_out;
+               /* see if parent is dependent on dock */
+               status = acpi_bus_get_ejd(parent, &tmp);
+               if (ACPI_FAILURE(status))
+                       goto fdd_out;
+       }
 
        if (tmp == ds->handle) {
                dd = alloc_dock_dependent_device(handle);
                if (dd)
                        add_dock_dependent_device(ds, dd);
        }
-
+fdd_out:
        return AE_OK;
 }
 
@@ -733,7 +741,7 @@ static int dock_add(acpi_handle handle)
                goto dock_add_err;
        }
 
-       printk(KERN_INFO PREFIX "%s \n", ACPI_DOCK_DRIVER_NAME);
+       printk(KERN_INFO PREFIX "%s \n", ACPI_DOCK_DRIVER_DESCRIPTION);
 
        return 0;