eeepc-laptop: add hotplug_disable parameter

commit 322a1356be96bcc4b97e8e370f6468c821330077 upstream.

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.

[bwh: Backported to 2.6.32]

Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
Cc: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c
index b9808ac40a40217131ce361a2c65167b82c825cc..c5df42e560da5255d5e37615d752fe031a565257 100644 (file)
--- a/drivers/platform/x86/eeepc-laptop.c
+++ b/drivers/platform/x86/eeepc-laptop.c
@@ -254,6 +254,14 @@ MODULE_AUTHOR("Corentin Chary, Eric Cooper");
 MODULE_DESCRIPTION(EEEPC_HOTK_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.");
+
 /*
  * ACPI Helpers
  */
@@ -1305,6 +1313,8 @@ static int __devinit eeepc_hotk_add(struct acpi_device *device)
        device->driver_data = ehotk;
        ehotk->device = device;
 
+       ehotk->hotplug_disabled = hotplug_disabled;
+
        eeepc_dmi_check();
 
        result = eeepc_hotk_check();