linux-kernel - [PATCH] Input: ili210x: Allow IRQ to share GPIO

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Date: Wed, 28 Feb 2024 05:41:42 -0600
From: Adam Ford <aford173@...il.com>
To: linux-input@...r.kernel.org
Cc: aford@...conembedded.com,
	Adam Ford <aford173@...il.com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] Input: ili210x:  Allow IRQ to share GPIO

The IRQ registration currently assumes that the GPIO is
dedicated to it, but that may not necessarily be the case.
If the board has another device sharing the IRQ, it won't be
registered and the touch detect fails.

Signed-off-by: Adam Ford <aford173@...il.com>

diff --git a/drivers/input/touchscreen/ili210x.c b/drivers/input/touchscreen/ili210x.c
index 31ffdc2a93f3..ebad20f451bd 100644
--- a/drivers/input/touchscreen/ili210x.c
+++ b/drivers/input/touchscreen/ili210x.c
@@ -1003,7 +1003,7 @@ static int ili210x_i2c_probe(struct i2c_client *client)
 	}
 
 	error = devm_request_threaded_irq(dev, client->irq, NULL, ili210x_irq,
-					  IRQF_ONESHOT, client->name, priv);
+					  IRQF_ONESHOT | IRQF_SHARED, client->name, priv);
 	if (error) {
 		dev_err(dev, "Unable to request touchscreen IRQ, err: %d\n",
 			error);
-- 
2.43.0