linux-kernel - [PATCH v2 1/1] input: imx_sc_key: Enable wakeup according to dts property wakeup-source

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Message-Id: <20240719152259.760457-1-Frank.Li@nxp.com>
Date: Fri, 19 Jul 2024 11:22:58 -0400
From: Frank Li <Frank.Li@....com>
To: Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Nitin Garg <nitin.garg@....com>,
	Abel Vesa <abelvesa@...nel.org>,
	linux-input@...r.kernel.org (open list:INPUT (KEYBOARD, MOUSE, JOYSTICK, TOUCHSCREEN)...),
	imx@...ts.linux.dev (open list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE),
	linux-arm-kernel@...ts.infradead.org (moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE),
	linux-kernel@...r.kernel.org (open list)
Cc: imx@...ts.linux.dev
Subject: [PATCH v2 1/1] input: imx_sc_key: Enable wakeup according to dts property wakeup-source

From: Abel Vesa <abel.vesa@....com>

Enable default wakeup according to dts property 'wakeup-source'.

Signed-off-by: Abel Vesa <abel.vesa@....com>
Reviewed-by: Nitin Garg <nitin.garg@....com>
Signed-off-by: Frank Li <Frank.Li@....com>
---
Change from v1 to v2
- change int to bool
- move of_property_read_bool() just before device_init_wakeup()
- drop !!
---
 drivers/input/keyboard/imx_sc_key.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/input/keyboard/imx_sc_key.c b/drivers/input/keyboard/imx_sc_key.c
index d18839f1f4f60..fc1492088b645 100644
--- a/drivers/input/keyboard/imx_sc_key.c
+++ b/drivers/input/keyboard/imx_sc_key.c
@@ -110,8 +110,10 @@ static void imx_sc_key_action(void *data)
 
 static int imx_sc_key_probe(struct platform_device *pdev)
 {
+	struct device_node *np = pdev->dev.of_node;
 	struct imx_key_drv_data *priv;
 	struct input_dev *input;
+	bool wakeup;
 	int error;
 
 	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
@@ -151,6 +153,9 @@ static int imx_sc_key_probe(struct platform_device *pdev)
 	priv->input = input;
 	platform_set_drvdata(pdev, priv);
 
+	wakeup = of_property_read_bool(np, "wakeup-source");
+	device_init_wakeup(&pdev->dev, wakeup);
+
 	error = imx_scu_irq_group_enable(SC_IRQ_GROUP_WAKE, SC_IRQ_BUTTON,
 					 true);
 	if (error) {
-- 
2.34.1