linux-kernel - [PATCH v4 1/3] Input: gpio-keys - add support for linux,input-value DTS property

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Message-Id: <3519a11b0ef5324a2befbd137cd2aa0cb8fd057d.1677022414.git.soyer@irl.hu>
Date:   Wed, 22 Feb 2023 01:10:32 +0100
From:   Gergo Koteles <soyer@....hu>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Jonathan Corbet <corbet@....net>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Jiri Kosina <jikos@...nel.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>
Cc:     linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        Caleb Connolly <caleb@...nolly.tech>,
        Gergo Koteles <soyer@....hu>
Subject: [PATCH v4 1/3] Input: gpio-keys - add support for linux,input-value DTS property

Allows setting the value of EV_ABS events from DTS.
This property is included in the gpio-keys.yaml scheme, but was only
implemented for gpio-keys-polled.

Signed-off-by: Gergo Koteles <soyer@....hu>
---
 drivers/input/keyboard/gpio_keys.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
index 5496482a38c1..c42f86ad0766 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -770,6 +770,9 @@ gpio_keys_get_devtree_pdata(struct device *dev)
 					     &button->type))
 			button->type = EV_KEY;
 
+		fwnode_property_read_u32(child, "linux,input-value",
+					 (u32 *)&button->value);
+
 		button->wakeup =
 			fwnode_property_read_bool(child, "wakeup-source") ||
 			/* legacy name */
-- 
2.39.2