input: migor_ts: add wakeup support
Add wakeup support to the migor_ts driver. If user space has enabled
wakeup, use set_irq_wake() during suspend and resume. With this patch
the migor_ts driver can be used to wake the system from suspend.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/drivers/input/touchscreen/migor_ts.c b/drivers/input/touchscreen/migor_ts.c
index 504ca11..141dd58 100644
--- a/drivers/input/touchscreen/migor_ts.c
+++ b/drivers/input/touchscreen/migor_ts.c
@@ -198,6 +198,7 @@
goto err2;
}
+ device_init_wakeup(&client->dev, 1);
return 0;
err2:
@@ -224,6 +225,26 @@
return 0;
}
+static int migor_ts_suspend(struct i2c_client *client, pm_message_t mesg)
+{
+ struct migor_ts_priv *priv = dev_get_drvdata(&client->dev);
+
+ if (device_may_wakeup(&client->dev))
+ enable_irq_wake(priv->irq);
+
+ return 0;
+}
+
+static int migor_ts_resume(struct i2c_client *client)
+{
+ struct migor_ts_priv *priv = dev_get_drvdata(&client->dev);
+
+ if (device_may_wakeup(&client->dev))
+ disable_irq_wake(priv->irq);
+
+ return 0;
+}
+
static const struct i2c_device_id migor_ts_id[] = {
{ "migor_ts", 0 },
{ }
@@ -236,6 +257,8 @@
},
.probe = migor_ts_probe,
.remove = migor_ts_remove,
+ .suspend = migor_ts_suspend,
+ .resume = migor_ts_resume,
.id_table = migor_ts_id,
};