linux-kernel - [PATCH 14/40] Input: atmel_mxt_ts

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Message-Id: <1361555907-19840-15-git-send-email-nick.dyer@itdev.co.uk>
Date:	Fri, 22 Feb 2013 17:58:01 +0000
From:	Nick Dyer <nick.dyer@...ev.co.uk>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Daniel Kurtz <djkurtz@...omium.org>,
	Henrik Rydberg <rydberg@...omail.se>,
	Joonyoung Shim <jy0922.shim@...sung.com>,
	Alan.Bowens@...el.com, linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org, pmeerw@...erw.net,
	bleung@...omium.org, olofj@...omium.org
Cc:	Nick Dyer <nick.dyer@...ev.co.uk>
Subject: [PATCH 14/40] Input: atmel_mxt_ts - add shutdown function

Signed-off-by: Nick Dyer <nick.dyer@...ev.co.uk>
---
 drivers/input/touchscreen/atmel_mxt_ts.c |   11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index bbe9aff..3994564 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -226,7 +226,7 @@ struct mxt_message {
 	u8 message[7];
 };
 
-enum mxt_device_state { INIT, APPMODE, BOOTLOADER, FAILED };
+enum mxt_device_state { INIT, APPMODE, BOOTLOADER, FAILED, SHUTDOWN };
 
 /* Each client has this additional data */
 struct mxt_data {
@@ -1842,6 +1842,14 @@ static int mxt_resume(struct device *dev)
 
 static SIMPLE_DEV_PM_OPS(mxt_pm_ops, mxt_suspend, mxt_resume);
 
+static void mxt_shutdown(struct i2c_client *client)
+{
+	struct mxt_data *data = i2c_get_clientdata(client);
+
+	disable_irq(data->irq);
+	data->state = SHUTDOWN;
+}
+
 static const struct i2c_device_id mxt_id[] = {
 	{ "qt602240_ts", 0 },
 	{ "atmel_mxt_ts", 0 },
@@ -1858,6 +1866,7 @@ static struct i2c_driver mxt_driver = {
 	},
 	.probe		= mxt_probe,
 	.remove		= mxt_remove,
+	.shutdown	= mxt_shutdown,
 	.id_table	= mxt_id,
 };
 
-- 
1.7.10.4

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