From: Stephen Hemminger <shemminger@linux-foundation.org>

Need to stop any device polling on shutdown.  Without this, the laptop can
sometimes not turn off.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Cc: Dmitry Torokhov <dtor@mail.ru>
Cc: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 drivers/input/misc/apanel.c |    6 ++++++
 1 file changed, 6 insertions(+)

diff -puN drivers/input/misc/apanel.c~apanel-detach-on-shutdown drivers/input/misc/apanel.c
--- a/drivers/input/misc/apanel.c~apanel-detach-on-shutdown
+++ a/drivers/input/misc/apanel.c
@@ -193,12 +193,18 @@ static int apanel_attach_adapter(struct 
 	return i2c_probe(adap, &addr_data, apanel_probe);
 }
 
+static void apanel_shutdown(struct i2c_client *client)
+{
+	apanel_detach_client(client);
+}
+
 static struct i2c_driver apanel_driver = {
 	.driver = {
 		.name = APANEL,
 	},
 	.attach_adapter = &apanel_attach_adapter,
 	.detach_client  = &apanel_detach_client,
+	.shutdown	= &apanel_shutdown,
 };
 
 static struct apanel apanel = {
_