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* [PATCH] gpio-charger: Add gpio_charger_resume
@ 2011-04-02 23:16 Benson Leung
  2011-04-02 23:36 ` Lars-Peter Clausen
  0 siblings, 1 reply; 2+ messages in thread
From: Benson Leung @ 2011-04-02 23:16 UTC (permalink / raw)
  To: lars, cbouatmailru; +Cc: rklein, linux-kernel, Benson Leung

Gpio charger should notify if the gpio state had changed
during suspend. This will send a CHANGED event each time
the system resumes, ensuring a plug/unplug of the charger
is not missed.

Signed-off-by: Benson Leung <bleung@chromium.org>
---
 drivers/power/gpio-charger.c |   17 +++++++++++++++++
 1 files changed, 17 insertions(+), 0 deletions(-)

diff --git a/drivers/power/gpio-charger.c b/drivers/power/gpio-charger.c
index 25b88ac..e83c892 100644
--- a/drivers/power/gpio-charger.c
+++ b/drivers/power/gpio-charger.c
@@ -161,9 +161,26 @@ static int __devexit gpio_charger_remove(struct platform_device *pdev)
 	return 0;
 }
 
+#if defined CONFIG_PM
+static int gpio_charger_resume(struct platform_device *pdev)
+{
+	struct gpio_charger *gpio_charger = platform_get_drvdata(pdev);
+
+	power_supply_changed(&gpio_charger->charger);
+
+	return 0;
+}
+#else
+#define gpio_charger_resume	NULL
+#endif
+#define gpio_charger_suspend	NULL
+
+
 static struct platform_driver gpio_charger_driver = {
 	.probe = gpio_charger_probe,
 	.remove = __devexit_p(gpio_charger_remove),
+	.suspend = gpio_charger_suspend,
+	.resume = gpio_charger_resume,
 	.driver = {
 		.name = "gpio-charger",
 		.owner = THIS_MODULE,
-- 
1.7.1


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] gpio-charger: Add gpio_charger_resume
  2011-04-02 23:16 [PATCH] gpio-charger: Add gpio_charger_resume Benson Leung
@ 2011-04-02 23:36 ` Lars-Peter Clausen
  0 siblings, 0 replies; 2+ messages in thread
From: Lars-Peter Clausen @ 2011-04-02 23:36 UTC (permalink / raw)
  To: Benson Leung; +Cc: cbouatmailru, rklein, linux-kernel

On 04/03/2011 01:16 AM, Benson Leung wrote:
> Gpio charger should notify if the gpio state had changed
> during suspend. This will send a CHANGED event each time
> the system resumes, ensuring a plug/unplug of the charger
> is not missed.
> 
> Signed-off-by: Benson Leung <bleung@chromium.org>

Seems reasonable, but please use dev_pm_ops.

- Lars

> ---
>  drivers/power/gpio-charger.c |   17 +++++++++++++++++
>  1 files changed, 17 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/power/gpio-charger.c b/drivers/power/gpio-charger.c
> index 25b88ac..e83c892 100644
> --- a/drivers/power/gpio-charger.c
> +++ b/drivers/power/gpio-charger.c
> @@ -161,9 +161,26 @@ static int __devexit gpio_charger_remove(struct platform_device *pdev)
>  	return 0;
>  }
>  
> +#if defined CONFIG_PM
> +static int gpio_charger_resume(struct platform_device *pdev)
> +{
> +	struct gpio_charger *gpio_charger = platform_get_drvdata(pdev);
> +
> +	power_supply_changed(&gpio_charger->charger);
> +
> +	return 0;
> +}
> +#else
> +#define gpio_charger_resume	NULL
> +#endif
> +#define gpio_charger_suspend	NULL
> +
> +
>  static struct platform_driver gpio_charger_driver = {
>  	.probe = gpio_charger_probe,
>  	.remove = __devexit_p(gpio_charger_remove),
> +	.suspend = gpio_charger_suspend,
> +	.resume = gpio_charger_resume,
>  	.driver = {
>  		.name = "gpio-charger",
>  		.owner = THIS_MODULE,


^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2011-04-02 23:36 UTC | newest]

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2011-04-02 23:16 [PATCH] gpio-charger: Add gpio_charger_resume Benson Leung
2011-04-02 23:36 ` Lars-Peter Clausen

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