Some people may wish to wake their system from sleep, so this
patch enables a suspend and resume function which enables
and disables IRQ wake functions.
Signed-off-by: Adam Ford <aford...@gmail.com>
diff --git a/drivers/input/touchscreen/ili210x.c
b/drivers/input/touchscreen/ili210x.c
index 199cf3daec10..9b1a61447054 100644
--- a/drivers/input/touchscreen/ili210x.c
+++ b/drivers/input/touchscreen/ili210x.c
@@ -474,6 +474,28 @@ static int ili210x_i2c_probe(struct i2c_client *client,
return 0;
}
+static int __maybe_unused ili210x_i2c_suspend(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+
+ if (device_may_wakeup(&client->dev))
+ enable_irq_wake(client->irq);
+
+ return 0;
+}
+
+static int __maybe_unused ili210x_i2c_resume(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+
+ if (device_may_wakeup(&client->dev))
+ disable_irq_wake(client->irq);
+
+ return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(ili210x_i2c_pm, ili210x_i2c_suspend,
ili210x_i2c_resume);
+
static const struct i2c_device_id ili210x_i2c_id[] = {
{ "ili210x", (long)&ili210x_chip },
{ "ili2117", (long)&ili211x_chip },
@@ -495,6 +517,7 @@ MODULE_DEVICE_TABLE(of, ili210x_dt_ids);
static struct i2c_driver ili210x_ts_driver = {
.driver = {
.name = "ili210x_i2c",
+ .pm = &ili210x_i2c_pm,
.of_match_table = ili210x_dt_ids,
},
.id_table = ili210x_i2c_id,
--
2.25.1
