linux-kernel - [PATCH 4/6] Input: cyttsp5: properly initialize the device as a pm wakeup device

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Date:   Thu, 23 Mar 2023 14:52:03 +0100
From:   Maximilian Weigand <mweigand@...igand.net>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Cc:     Maximilian Weigand <mweigand@...igand.net>,
        Alistair Francis <alistair@...stair23.me>
Subject: [PATCH 4/6] Input: cyttsp5: properly initialize the device as a pm wakeup device

When used as a wakeup source the driver should be properly registered
with the pm system using device_init_wakeup.

Signed-off-by: Maximilian Weigand <mweigand@...igand.net>
Reviewed-by: Alistair Francis <alistair@...stair23.me>
---
 drivers/input/touchscreen/cyttsp5.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/input/touchscreen/cyttsp5.c b/drivers/input/touchscreen/cyttsp5.c
index 8b0c6975c6ec..01dd10a596ab 100644
--- a/drivers/input/touchscreen/cyttsp5.c
+++ b/drivers/input/touchscreen/cyttsp5.c
@@ -830,6 +830,9 @@ static int cyttsp5_probe(struct device *dev, struct regmap *regmap, int irq,
 		return error;
 	}
 
+	if (device_property_read_bool(dev, "wakeup-source"))
+		device_init_wakeup(dev, true);
+
 	error = cyttsp5_startup(ts);
 	if (error) {
 		dev_err(ts->dev, "Fail initial startup r=%d\n", error);
-- 
2.39.2