Thread (3 messages) 3 messages, 2 authors, 2020-11-04

Re: [PATCH] Input: ili210x: Enable suspend/resume functions

From: Adam Ford <hidden>
Date: 2020-11-04 16:16:02
Also in: lkml

On Fri, Sep 18, 2020 at 9:34 AM Adam Ford [off-list ref] wrote:
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 <redacted>
Gentle ping.  Any feedback on this?
quoted hunk ↗ jump to hunk
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
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