Commit 859cb7f2 authored by Richard Purdie's avatar Richard Purdie
Browse files

leds: Add suspend/resume to the core class 

Add suspend/resume to the core class and remove all the now unneeded
code from various drivers. Originally the class code couldn't support
suspend/resume but since class_device can there is no reason for
each driver doing its own suspend/resume anymore.
parent 0081e802

drivers/leds/led-class.c

+22 −0
Original line number Diff line number Diff line
@@ -91,6 +91,26 @@ void led_classdev_resume(struct led_classdev *led_cdev) 
}

EXPORT_SYMBOL_GPL(led_classdev_resume);



static int led_suspend(struct device *dev, pm_message_t state)

{

	struct led_classdev *led_cdev = dev_get_drvdata(dev);



	if (led_cdev->flags & LED_CORE_SUSPENDRESUME)

		led_classdev_suspend(led_cdev);



	return 0;

}



static int led_resume(struct device *dev)

{

	struct led_classdev *led_cdev = dev_get_drvdata(dev);



	if (led_cdev->flags & LED_CORE_SUSPENDRESUME)

		led_classdev_resume(led_cdev);



	return 0;

}



/**

 * led_classdev_register - register a new object of led_classdev class.

 * @parent: The device to register.
@@ -174,6 +194,8 @@ static int __init leds_init(void) 
	leds_class = class_create(THIS_MODULE, "leds");

	if (IS_ERR(leds_class))

		return PTR_ERR(leds_class);

	leds_class->suspend = led_suspend;

	leds_class->resume = led_resume;

	return 0;

}

drivers/leds/leds-alix2.c

+1 −29
Original line number Diff line number Diff line
@@ -65,39 +65,13 @@ static struct alix_led alix_leds[] = { 
	},

};



#ifdef CONFIG_PM



static int alix_led_suspend(struct platform_device *dev, pm_message_t state)

{

	int i;



	for (i = 0; i < ARRAY_SIZE(alix_leds); i++)

		led_classdev_suspend(&alix_leds[i].cdev);

	return 0;

}



static int alix_led_resume(struct platform_device *dev)

{

	int i;



	for (i = 0; i < ARRAY_SIZE(alix_leds); i++)

		led_classdev_resume(&alix_leds[i].cdev);

	return 0;

}



#else



#define alix_led_suspend NULL

#define alix_led_resume NULL



#endif



static int __init alix_led_probe(struct platform_device *pdev)

{

	int i;

	int ret;



	for (i = 0; i < ARRAY_SIZE(alix_leds); i++) {

		alix_leds[i].cdev.flags |= LED_CORE_SUSPENDRESUME;

		ret = led_classdev_register(&pdev->dev, &alix_leds[i].cdev);

		if (ret < 0)

			goto fail;
@@ -121,8 +95,6 @@ static int alix_led_remove(struct platform_device *pdev) 


static struct platform_driver alix_led_driver = {

	.remove = alix_led_remove,

	.suspend = alix_led_suspend,

	.resume = alix_led_resume,

	.driver = {

		.name = KBUILD_MODNAME,

		.owner = THIS_MODULE,

drivers/leds/leds-ams-delta.c

+1 −28
Original line number Diff line number Diff line
@@ -79,37 +79,12 @@ static struct ams_delta_led ams_delta_leds[] = { 
	},

};



#ifdef CONFIG_PM

static int ams_delta_led_suspend(struct platform_device *dev,

		pm_message_t state)

{

	int i;



	for (i = 0; i < ARRAY_SIZE(ams_delta_leds); i++)

		led_classdev_suspend(&ams_delta_leds[i].cdev);



	return 0;

}



static int ams_delta_led_resume(struct platform_device *dev)

{

	int i;



	for (i = 0; i < ARRAY_SIZE(ams_delta_leds); i++)

		led_classdev_resume(&ams_delta_leds[i].cdev);



	return 0;

}

#else

#define ams_delta_led_suspend NULL

#define ams_delta_led_resume NULL

#endif



static int ams_delta_led_probe(struct platform_device *pdev)

{

	int i, ret;



	for (i = 0; i < ARRAY_SIZE(ams_delta_leds); i++) {

		ams_delta_leds[i].cdev.flags |= LED_CORE_SUSPENDRESUME;

		ret = led_classdev_register(&pdev->dev,

				&ams_delta_leds[i].cdev);

		if (ret < 0)
@@ -136,8 +111,6 @@ static int ams_delta_led_remove(struct platform_device *pdev) 
static struct platform_driver ams_delta_led_driver = {

	.probe		= ams_delta_led_probe,

	.remove		= ams_delta_led_remove,

	.suspend	= ams_delta_led_suspend,

	.resume		= ams_delta_led_resume,

	.driver		= {

		.name = "ams-delta-led",

		.owner = THIS_MODULE,

drivers/leds/leds-clevo-mail.c

+1 −20
Original line number Diff line number Diff line
@@ -142,6 +142,7 @@ static struct led_classdev clevo_mail_led = { 
	.name			= "clevo::mail",

	.brightness_set		= clevo_mail_led_set,

	.blink_set		= clevo_mail_led_blink,

	.flags			= LED_CORE_SUSPENDRESUME,

};



static int __init clevo_mail_led_probe(struct platform_device *pdev)
@@ -155,29 +156,9 @@ static int clevo_mail_led_remove(struct platform_device *pdev) 
	return 0;

}



#ifdef CONFIG_PM

static int clevo_mail_led_suspend(struct platform_device *dev,

				  pm_message_t state)

{

	led_classdev_suspend(&clevo_mail_led);

	return 0;

}



static int clevo_mail_led_resume(struct platform_device *dev)

{

	led_classdev_resume(&clevo_mail_led);

	return 0;

}

#else

#define clevo_mail_led_suspend    NULL

#define clevo_mail_led_resume     NULL

#endif



static struct platform_driver clevo_mail_led_driver = {

	.probe		= clevo_mail_led_probe,

	.remove		= clevo_mail_led_remove,

	.suspend	= clevo_mail_led_suspend,

	.resume		= clevo_mail_led_resume,

	.driver		= {

		.name		= KBUILD_MODNAME,

		.owner		= THIS_MODULE,

drivers/leds/leds-fsg.c

+6 −31
Original line number Diff line number Diff line
@@ -99,64 +99,43 @@ static void fsg_led_ring_set(struct led_classdev *led_cdev, 
}







static struct led_classdev fsg_wlan_led = {

	.name			= "fsg:blue:wlan",

	.brightness_set		= fsg_led_wlan_set,

	.flags			= LED_CORE_SUSPENDRESUME,

};



static struct led_classdev fsg_wan_led = {

	.name			= "fsg:blue:wan",

	.brightness_set		= fsg_led_wan_set,

	.flags			= LED_CORE_SUSPENDRESUME,

};



static struct led_classdev fsg_sata_led = {

	.name			= "fsg:blue:sata",

	.brightness_set		= fsg_led_sata_set,

	.flags			= LED_CORE_SUSPENDRESUME,

};



static struct led_classdev fsg_usb_led = {

	.name			= "fsg:blue:usb",

	.brightness_set		= fsg_led_usb_set,

	.flags			= LED_CORE_SUSPENDRESUME,

};



static struct led_classdev fsg_sync_led = {

	.name			= "fsg:blue:sync",

	.brightness_set		= fsg_led_sync_set,

	.flags			= LED_CORE_SUSPENDRESUME,

};



static struct led_classdev fsg_ring_led = {

	.name			= "fsg:blue:ring",

	.brightness_set		= fsg_led_ring_set,

	.flags			= LED_CORE_SUSPENDRESUME,

};







#ifdef CONFIG_PM

static int fsg_led_suspend(struct platform_device *dev, pm_message_t state)

{

	led_classdev_suspend(&fsg_wlan_led);

	led_classdev_suspend(&fsg_wan_led);

	led_classdev_suspend(&fsg_sata_led);

	led_classdev_suspend(&fsg_usb_led);

	led_classdev_suspend(&fsg_sync_led);

	led_classdev_suspend(&fsg_ring_led);

	return 0;

}



static int fsg_led_resume(struct platform_device *dev)

{

	led_classdev_resume(&fsg_wlan_led);

	led_classdev_resume(&fsg_wan_led);

	led_classdev_resume(&fsg_sata_led);

	led_classdev_resume(&fsg_usb_led);

	led_classdev_resume(&fsg_sync_led);

	led_classdev_resume(&fsg_ring_led);

	return 0;

}

#endif





static int fsg_led_probe(struct platform_device *pdev)

{

	int ret;
@@ -232,10 +211,6 @@ static int fsg_led_remove(struct platform_device *pdev) 
static struct platform_driver fsg_led_driver = {

	.probe		= fsg_led_probe,

	.remove		= fsg_led_remove,

#ifdef CONFIG_PM

	.suspend	= fsg_led_suspend,

	.resume		= fsg_led_resume,

#endif

	.driver		= {

		.name		= "fsg-led",

	},

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