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Commit ea541686 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'for-linus' of git://git.o-hand.com/linux-rpurdie-leds 

* 'for-linus' of git://git.o-hand.com/linux-rpurdie-leds:
  leds/acpi: Fix merge fallout from acpi_driver_data change
  leds: Simplify logic in leds-ams-delta
  leds: Fix trigger registration race
  leds: Fix leds-class.c comment
  leds: Add driver for HP harddisk protection LEDs
  leds: leds-pca955x - Mark pca955x_led_set() static
  leds: Remove uneeded leds-cm-x270 driver
  leds: Remove uneeded strlen calls
  leds: Add leds-wrap default-trigger
  leds: Make default trigger fields const
  leds: Add backlight LED trigger
  leds: da903x: Add support for LEDs found on DA9030/DA9034
parents 0d876c6a 601a1b92

drivers/leds/Kconfig

+21 −4
Original line number Diff line number Diff line
@@ -113,11 +113,12 @@ config LEDS_GPIO 
	  outputs. To be useful the particular board must have LEDs

	  and they must be connected to the GPIO lines.



config LEDS_CM_X270

	tristate "LED Support for the CM-X270 LEDs"

	depends on LEDS_CLASS && MACH_ARMCORE

config LEDS_HP_DISK

	tristate "LED Support for disk protection LED on HP notebooks"

	depends on LEDS_CLASS && ACPI

	help

	  This option enables support for the CM-X270 LEDs.

	  This option enable support for disk protection LED, found on

	  newer HP notebooks.



config LEDS_CLEVO_MAIL

	tristate "Mail LED on Clevo notebook (EXPERIMENTAL)"
@@ -157,6 +158,13 @@ config LEDS_PCA955X 
	  LED driver chips accessed via the I2C bus.  Supported

	  devices include PCA9550, PCA9551, PCA9552, and PCA9553.



config LEDS_DA903X

	tristate "LED Support for DA9030/DA9034 PMIC"

	depends on LEDS_CLASS && PMIC_DA903X

	help

	  This option enables support for on-chip LED drivers found

	  on Dialog Semiconductor DA9030/DA9034 PMICs.



comment "LED Triggers"



config LEDS_TRIGGERS
@@ -193,6 +201,15 @@ config LEDS_TRIGGER_HEARTBEAT 
	  load average.

	  If unsure, say Y.



config LEDS_TRIGGER_BACKLIGHT

	tristate "LED backlight Trigger"

	depends on LEDS_TRIGGERS

	help

	  This allows LEDs to be controlled as a backlight device: they

	  turn off and on when the display is blanked and unblanked.



	  If unsure, say N.



config LEDS_TRIGGER_DEFAULT_ON

	tristate "LED Default ON Trigger"

	depends on LEDS_TRIGGERS

drivers/leds/Makefile

+3 −1
Original line number Diff line number Diff line
@@ -17,14 +17,16 @@ obj-$(CONFIG_LEDS_COBALT_RAQ) += leds-cobalt-raq.o 
obj-$(CONFIG_LEDS_SUNFIRE)		+= leds-sunfire.o

obj-$(CONFIG_LEDS_PCA9532)		+= leds-pca9532.o

obj-$(CONFIG_LEDS_GPIO)			+= leds-gpio.o

obj-$(CONFIG_LEDS_CM_X270)              += leds-cm-x270.o

obj-$(CONFIG_LEDS_CLEVO_MAIL)		+= leds-clevo-mail.o

obj-$(CONFIG_LEDS_HP6XX)		+= leds-hp6xx.o

obj-$(CONFIG_LEDS_FSG)			+= leds-fsg.o

obj-$(CONFIG_LEDS_PCA955X)		+= leds-pca955x.o

obj-$(CONFIG_LEDS_DA903X)		+= leds-da903x.o

obj-$(CONFIG_LEDS_HP_DISK)		+= leds-hp-disk.o



# LED Triggers

obj-$(CONFIG_LEDS_TRIGGER_TIMER)	+= ledtrig-timer.o

obj-$(CONFIG_LEDS_TRIGGER_IDE_DISK)	+= ledtrig-ide-disk.o

obj-$(CONFIG_LEDS_TRIGGER_HEARTBEAT)	+= ledtrig-heartbeat.o

obj-$(CONFIG_LEDS_TRIGGER_BACKLIGHT)	+= ledtrig-backlight.o

obj-$(CONFIG_LEDS_TRIGGER_DEFAULT_ON)	+= ledtrig-default-on.o

drivers/leds/led-class.c

+5 −7
Original line number Diff line number Diff line
@@ -34,14 +34,11 @@ static ssize_t led_brightness_show(struct device *dev, 
		struct device_attribute *attr, char *buf)

{

	struct led_classdev *led_cdev = dev_get_drvdata(dev);

	ssize_t ret = 0;



	/* no lock needed for this */

	led_update_brightness(led_cdev);

	sprintf(buf, "%u\n", led_cdev->brightness);

	ret = strlen(buf) + 1;



	return ret;

	return sprintf(buf, "%u\n", led_cdev->brightness);

}



static ssize_t led_brightness_store(struct device *dev,
@@ -113,6 +110,9 @@ int led_classdev_register(struct device *parent, struct led_classdev *led_cdev) 
	if (rc)

		goto err_out;



#ifdef CONFIG_LEDS_TRIGGERS

	init_rwsem(&led_cdev->trigger_lock);

#endif

	/* add to the list of leds */

	down_write(&leds_list_lock);

	list_add_tail(&led_cdev->node, &leds_list);
@@ -121,8 +121,6 @@ int led_classdev_register(struct device *parent, struct led_classdev *led_cdev) 
	led_update_brightness(led_cdev);



#ifdef CONFIG_LEDS_TRIGGERS

	init_rwsem(&led_cdev->trigger_lock);



	rc = device_create_file(led_cdev->dev, &dev_attr_trigger);

	if (rc)

		goto err_out_led_list;
@@ -147,7 +145,7 @@ int led_classdev_register(struct device *parent, struct led_classdev *led_cdev) 
EXPORT_SYMBOL_GPL(led_classdev_register);



/**

 * __led_classdev_unregister - unregisters a object of led_properties class.

 * led_classdev_unregister - unregisters a object of led_properties class.

 * @led_cdev: the led device to unregister

 *

 * Unregisters a previously registered via led_classdev_register object.

drivers/leds/leds-ams-delta.c

+10 −10
Original line number Diff line number Diff line
@@ -107,19 +107,19 @@ static int ams_delta_led_resume(struct platform_device *dev) 


static int ams_delta_led_probe(struct platform_device *pdev)

{

	int i;

	int ret;

	int i, ret;



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

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

		ret = led_classdev_register(&pdev->dev,

				&ams_delta_leds[i].cdev);

		if (ret < 0)

			goto fail;

	}



	if (ret < 0 && i > 1) {

		for (i = i - 2; i >= 0; i--)

	return 0;

fail:

	while (--i >= 0)

		led_classdev_unregister(&ams_delta_leds[i].cdev);

	}



	return ret;	

}
@@ -127,7 +127,7 @@ static int ams_delta_led_remove(struct platform_device *pdev) 
{

	int i;



	for (i = ARRAY_SIZE(ams_delta_leds) - 1; i >= 0; i--)

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

		led_classdev_unregister(&ams_delta_leds[i].cdev);



	return 0;

drivers/leds/leds-cm-x270.c

deleted100644 → 0
+0 −124
Original line number Diff line number Diff line 
/*

 * drivers/leds/leds-cm-x270.c

 *

 * Copyright 2007 CompuLab Ltd.

 * Author: Mike Rapoport <mike@compulab.co.il>

 *

 * Based on leds-corgi.c

 * Author: Richard Purdie <rpurdie@openedhand.com>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 *

 */



#include <linux/kernel.h>

#include <linux/init.h>

#include <linux/platform_device.h>

#include <linux/leds.h>



#include <mach/hardware.h>

#include <mach/pxa-regs.h>



#define GPIO_RED_LED			(93)

#define GPIO_GREEN_LED			(94)



static void cmx270_red_set(struct led_classdev *led_cdev,

			   enum led_brightness value)

{

	if (value)

		GPCR(GPIO_RED_LED) = GPIO_bit(GPIO_RED_LED);

	else

		GPSR(GPIO_RED_LED) = GPIO_bit(GPIO_RED_LED);

}



static void cmx270_green_set(struct led_classdev *led_cdev,

			     enum led_brightness value)

{

	if (value)

		GPCR(GPIO_GREEN_LED) = GPIO_bit(GPIO_GREEN_LED);

	else

		GPSR(GPIO_GREEN_LED) = GPIO_bit(GPIO_GREEN_LED);

}



static struct led_classdev cmx270_red_led = {

	.name			= "cm-x270:red",

	.default_trigger	= "nand-disk",

	.brightness_set		= cmx270_red_set,

};



static struct led_classdev cmx270_green_led = {

	.name			= "cm-x270:green",

	.default_trigger	= "heartbeat",

	.brightness_set		= cmx270_green_set,

};



#ifdef CONFIG_PM

static int cmx270led_suspend(struct platform_device *dev, pm_message_t state)

{

	led_classdev_suspend(&cmx270_red_led);

	led_classdev_suspend(&cmx270_green_led);

	return 0;

}



static int cmx270led_resume(struct platform_device *dev)

{

	led_classdev_resume(&cmx270_red_led);

	led_classdev_resume(&cmx270_green_led);

	return 0;

}

#endif



static int cmx270led_probe(struct platform_device *pdev)

{

	int ret;



	ret = led_classdev_register(&pdev->dev, &cmx270_red_led);

	if (ret < 0)

		return ret;



	ret = led_classdev_register(&pdev->dev, &cmx270_green_led);

	if (ret < 0)

		led_classdev_unregister(&cmx270_red_led);



	return ret;

}



static int cmx270led_remove(struct platform_device *pdev)

{

	led_classdev_unregister(&cmx270_red_led);

	led_classdev_unregister(&cmx270_green_led);

	return 0;

}



static struct platform_driver cmx270led_driver = {

	.probe		= cmx270led_probe,

	.remove		= cmx270led_remove,

#ifdef CONFIG_PM

	.suspend	= cmx270led_suspend,

	.resume		= cmx270led_resume,

#endif

	.driver		= {

		.name		= "cm-x270-led",

		.owner		= THIS_MODULE,

	},

};



static int __init cmx270led_init(void)

{

	return platform_driver_register(&cmx270led_driver);

}



static void __exit cmx270led_exit(void)

{

	platform_driver_unregister(&cmx270led_driver);

}



module_init(cmx270led_init);

module_exit(cmx270led_exit);



MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>");

MODULE_DESCRIPTION("CM-x270 LED driver");

MODULE_LICENSE("GPL");

MODULE_ALIAS("platform:cm-x270-led");