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From: Ondrej Jirman <megous@megous.com>
To: linux-sunxi@googlegroups.com
Cc: Ondrej Jirman <megous@megous.com>,
	Hans de Goede <hdegoede@redhat.com>,
	Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	Maxime Ripard <mripard@kernel.org>, Chen-Yu Tsai <wens@csie.org>,
	linux-input@vger.kernel.org (open list:SUN4I LOW RES ADC
	ATTACHED TABLET KEYS DRIVER),
	linux-arm-kernel@lists.infradead.org (moderated
	list:ARM/Allwinner sunXi SoC support),
	linux-kernel@vger.kernel.org (open list)
Subject: [PATCH] input: sun4i-lradc-keys: Add wakup support
Date: Mon, 28 Oct 2019 23:15:02 +0100	[thread overview]
Message-ID: <20191028221502.3503543-1-megous@megous.com> (raw)

Allow the driver to wakeup the system on key press.

Signed-off-by: Ondrej Jirman <megous@megous.com>
---
 drivers/input/keyboard/sun4i-lradc-keys.c | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/drivers/input/keyboard/sun4i-lradc-keys.c b/drivers/input/keyboard/sun4i-lradc-keys.c
index 4a796bed48ac..bba679d7b54b 100644
--- a/drivers/input/keyboard/sun4i-lradc-keys.c
+++ b/drivers/input/keyboard/sun4i-lradc-keys.c
@@ -22,6 +22,8 @@
 #include <linux/module.h>
 #include <linux/of_platform.h>
 #include <linux/platform_device.h>
+#include <linux/pm_wakeirq.h>
+#include <linux/pm_wakeup.h>
 #include <linux/regulator/consumer.h>
 #include <linux/slab.h>
 
@@ -226,8 +228,7 @@ static int sun4i_lradc_probe(struct platform_device *pdev)
 {
 	struct sun4i_lradc_data *lradc;
 	struct device *dev = &pdev->dev;
-	int i;
-	int error;
+	int i, error, irq;
 
 	lradc = devm_kzalloc(dev, sizeof(struct sun4i_lradc_data), GFP_KERNEL);
 	if (!lradc)
@@ -272,8 +273,13 @@ static int sun4i_lradc_probe(struct platform_device *pdev)
 	if (IS_ERR(lradc->base))
 		return PTR_ERR(lradc->base);
 
-	error = devm_request_irq(dev, platform_get_irq(pdev, 0),
-				 sun4i_lradc_irq, 0,
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0) {
+		dev_err(&pdev->dev, "Failed to get IRQ\n");
+		return irq;
+	}
+
+	error = devm_request_irq(dev, irq, sun4i_lradc_irq, 0,
 				 "sun4i-a10-lradc-keys", lradc);
 	if (error)
 		return error;
@@ -282,6 +288,14 @@ static int sun4i_lradc_probe(struct platform_device *pdev)
 	if (error)
 		return error;
 
+	device_init_wakeup(dev, true);
+
+	error = dev_pm_set_wake_irq(dev, irq);
+	if (error) {
+		dev_err(dev, "Could not set wake IRQ\n");
+		return error;
+	}
+
 	return 0;
 }
 
-- 
2.23.0


WARNING: multiple messages have this Message-ID (diff)
From: Ondrej Jirman <megous@megous.com>
To: linux-sunxi@googlegroups.com
Cc: Ondrej Jirman <megous@megous.com>,
	Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	open list <linux-kernel@vger.kernel.org>,
	Maxime Ripard <mripard@kernel.org>,
	Hans de Goede <hdegoede@redhat.com>, Chen-Yu Tsai <wens@csie.org>,
	"open list:SUN4I LOW RES ADC ATTACHED TABLET KEYS DRIVER"
	<linux-input@vger.kernel.org>,
	"moderated list:ARM/Allwinner sunXi SoC support"
	<linux-arm-kernel@lists.infradead.org>
Subject: [PATCH] input: sun4i-lradc-keys: Add wakup support
Date: Mon, 28 Oct 2019 23:15:02 +0100	[thread overview]
Message-ID: <20191028221502.3503543-1-megous@megous.com> (raw)

Allow the driver to wakeup the system on key press.

Signed-off-by: Ondrej Jirman <megous@megous.com>
---
 drivers/input/keyboard/sun4i-lradc-keys.c | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/drivers/input/keyboard/sun4i-lradc-keys.c b/drivers/input/keyboard/sun4i-lradc-keys.c
index 4a796bed48ac..bba679d7b54b 100644
--- a/drivers/input/keyboard/sun4i-lradc-keys.c
+++ b/drivers/input/keyboard/sun4i-lradc-keys.c
@@ -22,6 +22,8 @@
 #include <linux/module.h>
 #include <linux/of_platform.h>
 #include <linux/platform_device.h>
+#include <linux/pm_wakeirq.h>
+#include <linux/pm_wakeup.h>
 #include <linux/regulator/consumer.h>
 #include <linux/slab.h>
 
@@ -226,8 +228,7 @@ static int sun4i_lradc_probe(struct platform_device *pdev)
 {
 	struct sun4i_lradc_data *lradc;
 	struct device *dev = &pdev->dev;
-	int i;
-	int error;
+	int i, error, irq;
 
 	lradc = devm_kzalloc(dev, sizeof(struct sun4i_lradc_data), GFP_KERNEL);
 	if (!lradc)
@@ -272,8 +273,13 @@ static int sun4i_lradc_probe(struct platform_device *pdev)
 	if (IS_ERR(lradc->base))
 		return PTR_ERR(lradc->base);
 
-	error = devm_request_irq(dev, platform_get_irq(pdev, 0),
-				 sun4i_lradc_irq, 0,
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0) {
+		dev_err(&pdev->dev, "Failed to get IRQ\n");
+		return irq;
+	}
+
+	error = devm_request_irq(dev, irq, sun4i_lradc_irq, 0,
 				 "sun4i-a10-lradc-keys", lradc);
 	if (error)
 		return error;
@@ -282,6 +288,14 @@ static int sun4i_lradc_probe(struct platform_device *pdev)
 	if (error)
 		return error;
 
+	device_init_wakeup(dev, true);
+
+	error = dev_pm_set_wake_irq(dev, irq);
+	if (error) {
+		dev_err(dev, "Could not set wake IRQ\n");
+		return error;
+	}
+
 	return 0;
 }
 
-- 
2.23.0


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             reply	other threads:[~2019-10-28 22:15 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-28 22:15 Ondrej Jirman [this message]
2019-10-28 22:15 ` [PATCH] input: sun4i-lradc-keys: Add wakup support Ondrej Jirman
2019-10-28 23:38 ` Dmitry Torokhov
2019-10-28 23:38   ` Dmitry Torokhov
2019-10-28 23:56   ` Ondřej Jirman
2019-10-28 23:56     ` Ondřej Jirman
2019-10-29  0:12     ` Dmitry Torokhov
2019-10-29  0:12       ` Dmitry Torokhov
2019-10-29  1:45       ` [linux-sunxi] " Ondřej Jirman
2019-10-29  1:45         ` Ondřej Jirman
2019-10-29  4:18         ` Dmitry Torokhov
2019-10-29  4:18           ` Dmitry Torokhov
2019-10-29 12:43           ` Ondřej Jirman
2019-10-29 12:43             ` Ondřej Jirman

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