eeepc-laptop: add hotplug_disable parameter

Some new models need to disable wireless hotplug.
For the moment, we don't know excactly what models need that,
except 1005HA.
Users will be able to use that param as a workaround.

Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c
index 07d7978..a959abd 100644
--- a/drivers/platform/x86/eeepc-laptop.c
+++ b/drivers/platform/x86/eeepc-laptop.c
@@ -50,6 +50,14 @@
 MODULE_DESCRIPTION(EEEPC_LAPTOP_NAME);
 MODULE_LICENSE("GPL");
 
+static bool hotplug_disabled;
+
+module_param(hotplug_disabled, bool, 0644);
+MODULE_PARM_DESC(hotplug_disabled,
+		 "Disable hotplug for wireless device. "
+		 "If your laptop need that, please report to "
+		 "acpi4asus-user@lists.sourceforge.net.");
+
 /*
  * Definitions for Asus EeePC
  */
@@ -1356,6 +1364,8 @@
 	strcpy(acpi_device_class(device), EEEPC_ACPI_CLASS);
 	device->driver_data = eeepc;
 
+	eeepc->hotplug_disabled = hotplug_disabled;
+
 	eeepc_dmi_check(eeepc);
 
 	result = eeepc_acpi_init(eeepc, device);