diff mbox

[2/2] input: gpio-keys: Add runtime support

Message ID 1353590617-11466-2-git-send-email-lee.jones@linaro.org (mailing list archive)
State New, archived
Headers show

Commit Message

Lee Jones Nov. 22, 2012, 1:23 p.m. UTC
From: Jonas Aaberg <jonas.aberg@stericsson.com>

Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: linux-input@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: Philippe Langlais <philippe.langlais@linaro.org>
Reviewed-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
---
 drivers/input/keyboard/gpio_keys.c |   17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

Comments

Lee Jones Nov. 22, 2012, 2:51 p.m. UTC | #1
Ignore this.

I've just rebased and the API has changed slightly.

Will fixup and resend.

> From: Jonas Aaberg <jonas.aberg@stericsson.com>
> 
> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
> Cc: linux-input@vger.kernel.org
> Signed-off-by: Lee Jones <lee.jones@linaro.org>
> Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com>
> Signed-off-by: Philippe Langlais <philippe.langlais@linaro.org>
> Reviewed-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
> ---
>  drivers/input/keyboard/gpio_keys.c |   17 +++++++++++++----
>  1 file changed, 13 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
> index 2cf6757..cff548c 100644
> --- a/drivers/input/keyboard/gpio_keys.c
> +++ b/drivers/input/keyboard/gpio_keys.c
> @@ -29,6 +29,7 @@
>  #include <linux/of_platform.h>
>  #include <linux/of_gpio.h>
>  #include <linux/spinlock.h>
> +#include <linux/pm_runtime.h>
>  
>  struct gpio_button_data {
>  	const struct gpio_keys_button *button;
> @@ -533,6 +534,7 @@ static int gpio_keys_open(struct input_dev *input)
>  	struct gpio_keys_drvdata *ddata = input_get_drvdata(input);
>  	const struct gpio_keys_platform_data *pdata = ddata->pdata;
>  
> +	pm_runtime_get_sync(input->dev.parent);
>  	ddata->enabled = true;
>  
>  	return pdata->enable ? pdata->enable(input->dev.parent) : 0;
> @@ -547,6 +549,8 @@ static void gpio_keys_close(struct input_dev *input)
>  
>  	if (pdata->disable)
>  		pdata->disable(input->dev.parent);
> +
> +	pm_runtime_put(input->dev.parent);
>  }
>  
>  /*
> @@ -708,6 +712,8 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev)
>  	input->id.product = 0x0001;
>  	input->id.version = 0x0100;
>  
> +	pm_runtime_enable(&pdev->dev);
> +
>  	/* Enable auto repeat feature of Linux input subsystem */
>  	if (pdata->rep)
>  		__set_bit(EV_REP, input->evbit);
> @@ -773,6 +779,8 @@ static int __devexit gpio_keys_remove(struct platform_device *pdev)
>  	struct input_dev *input = ddata->input;
>  	int i;
>  
> +	pm_runtime_disable(&pdev->dev);
> +
>  	sysfs_remove_group(&pdev->dev.kobj, &gpio_keys_attr_group);
>  
>  	device_init_wakeup(&pdev->dev, 0);
> @@ -805,8 +813,8 @@ static int gpio_keys_suspend(struct device *dev)
>  		}
>  	} else {
>  		ddata->enable_after_suspend = ddata->enabled;
> -		if (ddata->enabled)
> -			gpio_keys_close(ddata->input);
> +		if (ddata->enabled && ddata->disable)
> +			ddata->disable(dev);
>  	}
>  
>  	return 0;
> @@ -826,8 +834,9 @@ static int gpio_keys_resume(struct device *dev)
>  			gpio_keys_gpio_report_event(bdata);
>  	}
>  
> -	if (!device_may_wakeup(dev) && ddata->enable_after_suspend)
> -		gpio_keys_open(ddata->input);
> +	if (!device_may_wakeup(dev) && ddata->enable_after_suspend
> +	    && ddata->enable)
> +		ddata->enable(dev);
>  
>  	input_sync(ddata->input);
>  
> -- 
> 1.7.9.5
>
diff mbox

Patch

diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
index 2cf6757..cff548c 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -29,6 +29,7 @@ 
 #include <linux/of_platform.h>
 #include <linux/of_gpio.h>
 #include <linux/spinlock.h>
+#include <linux/pm_runtime.h>
 
 struct gpio_button_data {
 	const struct gpio_keys_button *button;
@@ -533,6 +534,7 @@  static int gpio_keys_open(struct input_dev *input)
 	struct gpio_keys_drvdata *ddata = input_get_drvdata(input);
 	const struct gpio_keys_platform_data *pdata = ddata->pdata;
 
+	pm_runtime_get_sync(input->dev.parent);
 	ddata->enabled = true;
 
 	return pdata->enable ? pdata->enable(input->dev.parent) : 0;
@@ -547,6 +549,8 @@  static void gpio_keys_close(struct input_dev *input)
 
 	if (pdata->disable)
 		pdata->disable(input->dev.parent);
+
+	pm_runtime_put(input->dev.parent);
 }
 
 /*
@@ -708,6 +712,8 @@  static int __devinit gpio_keys_probe(struct platform_device *pdev)
 	input->id.product = 0x0001;
 	input->id.version = 0x0100;
 
+	pm_runtime_enable(&pdev->dev);
+
 	/* Enable auto repeat feature of Linux input subsystem */
 	if (pdata->rep)
 		__set_bit(EV_REP, input->evbit);
@@ -773,6 +779,8 @@  static int __devexit gpio_keys_remove(struct platform_device *pdev)
 	struct input_dev *input = ddata->input;
 	int i;
 
+	pm_runtime_disable(&pdev->dev);
+
 	sysfs_remove_group(&pdev->dev.kobj, &gpio_keys_attr_group);
 
 	device_init_wakeup(&pdev->dev, 0);
@@ -805,8 +813,8 @@  static int gpio_keys_suspend(struct device *dev)
 		}
 	} else {
 		ddata->enable_after_suspend = ddata->enabled;
-		if (ddata->enabled)
-			gpio_keys_close(ddata->input);
+		if (ddata->enabled && ddata->disable)
+			ddata->disable(dev);
 	}
 
 	return 0;
@@ -826,8 +834,9 @@  static int gpio_keys_resume(struct device *dev)
 			gpio_keys_gpio_report_event(bdata);
 	}
 
-	if (!device_may_wakeup(dev) && ddata->enable_after_suspend)
-		gpio_keys_open(ddata->input);
+	if (!device_may_wakeup(dev) && ddata->enable_after_suspend
+	    && ddata->enable)
+		ddata->enable(dev);
 
 	input_sync(ddata->input);