Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds
Merge commit. Changes below are compared with the first parent: 75e300c8.
Changes
30 files changed · +164 −158
Only the first 600 diff lines are shown. Download the complete patch.
drivers/leds/led-class.c
View filediff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
index 48cce18..a20752f 100644
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -211,7 +211,7 @@ int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
led_trigger_set_default(led_cdev);
#endif
- printk(KERN_DEBUG "Registered led device: %s\n",
+ dev_dbg(parent, "Registered led device: %s\n",
led_cdev->name);
return 0;
drivers/leds/led-triggers.c
View filediff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c
index 262eb41..3c972b2 100644
--- a/drivers/leds/led-triggers.c
+++ b/drivers/leds/led-triggers.c
@@ -166,6 +166,19 @@ void led_trigger_set_default(struct led_classdev *led_cdev)
}
EXPORT_SYMBOL_GPL(led_trigger_set_default);
+void led_trigger_rename_static(const char *name, struct led_trigger *trig)
+{
+ /* new name must be on a temporary string to prevent races */
+ BUG_ON(name == trig->name);
+
+ down_write(&triggers_list_lock);
+ /* this assumes that trig->name was originaly allocated to
+ * non constant storage */
+ strcpy((char *)trig->name, name);
+ up_write(&triggers_list_lock);
+}
+EXPORT_SYMBOL_GPL(led_trigger_rename_static);
+
/* LED Trigger Interface */
int led_trigger_register(struct led_trigger *trig)
@@ -300,13 +313,13 @@ void led_trigger_register_simple(const char *name, struct led_trigger **tp)
if (err < 0) {
kfree(trig);
trig = NULL;
- printk(KERN_WARNING "LED trigger %s failed to register"
- " (%d)\n", name, err);
+ pr_warn("LED trigger %s failed to register (%d)\n",
+ name, err);
}
- } else
- printk(KERN_WARNING "LED trigger %s failed to register"
- " (no memory)\n", name);
-
+ } else {
+ pr_warn("LED trigger %s failed to register (no memory)\n",
+ name);
+ }
*tp = trig;
}
EXPORT_SYMBOL_GPL(led_trigger_register_simple);
drivers/leds/leds-88pm860x.c
View filediff --git a/drivers/leds/leds-88pm860x.c b/drivers/leds/leds-88pm860x.c
index b7e8cc0..6be2edd 100644
--- a/drivers/leds/leds-88pm860x.c
+++ b/drivers/leds/leds-88pm860x.c
@@ -165,15 +165,13 @@ static int pm860x_led_probe(struct platform_device *pdev)
res = platform_get_resource_byname(pdev, IORESOURCE_REG, "control");
if (!res) {
dev_err(&pdev->dev, "No REG resource for control\n");
- ret = -ENXIO;
- goto out;
+ return -ENXIO;
}
data->reg_control = res->start;
res = platform_get_resource_byname(pdev, IORESOURCE_REG, "blink");
if (!res) {
dev_err(&pdev->dev, "No REG resource for blink\n");
- ret = -ENXIO;
- goto out;
+ return -ENXIO;
}
data->reg_blink = res->start;
memset(data->name, 0, MFD_NAME_SIZE);
@@ -224,9 +222,6 @@ static int pm860x_led_probe(struct platform_device *pdev)
}
pm860x_led_set(&data->cdev, 0);
return 0;
-out:
- devm_kfree(&pdev->dev, data);
- return ret;
}
static int pm860x_led_remove(struct platform_device *pdev)
drivers/leds/leds-adp5520.c
View filediff --git a/drivers/leds/leds-adp5520.c b/drivers/leds/leds-adp5520.c
index dcd9128..e8072ab 100644
--- a/drivers/leds/leds-adp5520.c
+++ b/drivers/leds/leds-adp5520.c
@@ -5,10 +5,10 @@
*
* Loosely derived from leds-da903x:
* Copyright (C) 2008 Compulab, Ltd.
- * Mike Rapoport <[email protected]>
+ * Mike Rapoport <[email protected]>
*
* Copyright (C) 2006-2008 Marvell International Ltd.
- * Eric Miao <[email protected]>
+ * Eric Miao <[email protected]>
*
* Licensed under the GPL-2 or later.
*/
drivers/leds/leds-bd2802.c
View filediff --git a/drivers/leds/leds-bd2802.c b/drivers/leds/leds-bd2802.c
index 9abe8de..8515170 100644
--- a/drivers/leds/leds-bd2802.c
+++ b/drivers/leds/leds-bd2802.c
@@ -26,8 +26,8 @@
#define BD2802_LED_OFFSET 0xa
#define BD2802_COLOR_OFFSET 0x3
-#define BD2802_REG_CLKSETUP 0x00
-#define BD2802_REG_CONTROL 0x01
+#define BD2802_REG_CLKSETUP 0x00
+#define BD2802_REG_CONTROL 0x01
#define BD2802_REG_HOURSETUP 0x02
#define BD2802_REG_CURRENT1SETUP 0x03
#define BD2802_REG_CURRENT2SETUP 0x04
@@ -93,7 +93,7 @@ struct bd2802_led {
* In ADF mode, user can set registers of BD2802GU directly,
* therefore BD2802GU doesn't enter reset state.
*/
- int adf_on;
+ int adf_on;
enum led_ids led_id;
enum led_colors color;
@@ -328,7 +328,7 @@ static ssize_t bd2802_store_reg##reg_addr(struct device *dev, \
int ret; \
if (!count) \
return -EINVAL; \
- ret = strict_strtoul(buf, 16, &val); \
+ ret = kstrtoul(buf, 16, &val); \
if (ret) \
return ret; \
down_write(&led->rwsem); \
@@ -492,7 +492,7 @@ static ssize_t bd2802_store_##attr_name(struct device *dev, \
int ret; \
if (!count) \
return -EINVAL; \
- ret = strict_strtoul(buf, 16, &val); \
+ ret = kstrtoul(buf, 16, &val); \
if (ret) \
return ret; \
down_write(&led->rwsem); \
drivers/leds/leds-clevo-mail.c
View filediff --git a/drivers/leds/leds-clevo-mail.c b/drivers/leds/leds-clevo-mail.c
index b025470..6a8405d 100644
--- a/drivers/leds/leds-clevo-mail.c
+++ b/drivers/leds/leds-clevo-mail.c
@@ -1,3 +1,4 @@
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/module.h>
@@ -26,7 +27,7 @@ static struct platform_device *pdev;
static int __init clevo_mail_led_dmi_callback(const struct dmi_system_id *id)
{
- printk(KERN_INFO KBUILD_MODNAME ": '%s' found\n", id->ident);
+ pr_info("'%s' found\n", id->ident);
return 1;
}
@@ -135,8 +136,7 @@ static int clevo_mail_led_blink(struct led_classdev *led_cdev,
status = 0;
} else {
- printk(KERN_DEBUG KBUILD_MODNAME
- ": clevo_mail_led_blink(..., %lu, %lu),"
+ pr_debug("clevo_mail_led_blink(..., %lu, %lu),"
" returning -EINVAL (unsupported)\n",
*delay_on, *delay_off);
}
@@ -183,7 +183,7 @@ static int __init clevo_mail_led_init(void)
count = dmi_check_system(clevo_mail_led_dmi_table);
} else {
count = 1;
- printk(KERN_ERR KBUILD_MODNAME ": Skipping DMI detection. "
+ pr_err("Skipping DMI detection. "
"If the driver works on your hardware please "
"report model and the output of dmidecode in tracker "
"at http://sourceforge.net/projects/clevo-mailled/\n");
@@ -197,8 +197,7 @@ static int __init clevo_mail_led_init(void)
error = platform_driver_probe(&clevo_mail_led_driver,
clevo_mail_led_probe);
if (error) {
- printk(KERN_ERR KBUILD_MODNAME
- ": Can't probe platform driver\n");
+ pr_err("Can't probe platform driver\n");
platform_device_unregister(pdev);
}
} else
drivers/leds/leds-cobalt-qube.c
View filediff --git a/drivers/leds/leds-cobalt-qube.c b/drivers/leds/leds-cobalt-qube.c
index ffa9930..8abcb66 100644
--- a/drivers/leds/leds-cobalt-qube.c
+++ b/drivers/leds/leds-cobalt-qube.c
@@ -43,7 +43,7 @@ static int cobalt_qube_led_probe(struct platform_device *pdev)
if (!res)
return -EBUSY;
- led_port = ioremap(res->start, resource_size(res));
+ led_port = devm_ioremap(&pdev->dev, res->start, resource_size(res));
if (!led_port)
return -ENOMEM;
@@ -52,12 +52,11 @@ static int cobalt_qube_led_probe(struct platform_device *pdev)
retval = led_classdev_register(&pdev->dev, &qube_front_led);
if (retval)
- goto err_iounmap;
+ goto err_null;
return 0;
-err_iounmap:
- iounmap(led_port);
+err_null:
led_port = NULL;
return retval;
@@ -67,10 +66,8 @@ static int cobalt_qube_led_remove(struct platform_device *pdev)
{
led_classdev_unregister(&qube_front_led);
- if (led_port) {
- iounmap(led_port);
+ if (led_port)
led_port = NULL;
- }
return 0;
}
drivers/leds/leds-cobalt-raq.c
View filediff --git a/drivers/leds/leds-cobalt-raq.c b/drivers/leds/leds-cobalt-raq.c
index d52e47d..001088b 100644
--- a/drivers/leds/leds-cobalt-raq.c
+++ b/drivers/leds/leds-cobalt-raq.c
@@ -85,13 +85,13 @@ static int cobalt_raq_led_probe(struct platform_device *pdev)
if (!res)
return -EBUSY;
- led_port = ioremap(res->start, resource_size(res));
+ led_port = devm_ioremap(&pdev->dev, res->start, resource_size(res));
if (!led_port)
return -ENOMEM;
retval = led_classdev_register(&pdev->dev, &raq_power_off_led);
if (retval)
- goto err_iounmap;
+ goto err_null;
retval = led_classdev_register(&pdev->dev, &raq_web_led);
if (retval)
@@ -102,8 +102,7 @@ static int cobalt_raq_led_probe(struct platform_device *pdev)
err_unregister:
led_classdev_unregister(&raq_power_off_led);
-err_iounmap:
- iounmap(led_port);
+err_null:
led_port = NULL;
return retval;
@@ -114,10 +113,8 @@ static int cobalt_raq_led_remove(struct platform_device *pdev)
led_classdev_unregister(&raq_power_off_led);
led_classdev_unregister(&raq_web_led);
- if (led_port) {
- iounmap(led_port);
+ if (led_port)
led_port = NULL;
- }
return 0;
}
drivers/leds/leds-da903x.c
View filediff --git a/drivers/leds/leds-da903x.c b/drivers/leds/leds-da903x.c
index 6f31b77..c263a21 100644
--- a/drivers/leds/leds-da903x.c
+++ b/drivers/leds/leds-da903x.c
@@ -2,10 +2,10 @@
* LEDs driver for Dialog Semiconductor DA9030/DA9034
*
* Copyright (C) 2008 Compulab, Ltd.
- * Mike Rapoport <[email protected]>
+ * Mike Rapoport <[email protected]>
*
* Copyright (C) 2006-2008 Marvell International Ltd.
- * Eric Miao <[email protected]>
+ * Eric Miao <[email protected]>
*
* 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
@@ -85,7 +85,7 @@ static void da903x_led_set(struct led_classdev *led_cdev,
enum led_brightness value)
{
struct da903x_led *led;
-
+
led = container_of(led_cdev, struct da903x_led, cdev);
led->new_brightness = value;
schedule_work(&led->work);
@@ -156,7 +156,7 @@ static struct platform_driver da903x_led_driver = {
module_platform_driver(da903x_led_driver);
MODULE_DESCRIPTION("LEDs driver for Dialog Semiconductor DA9030/DA9034");
-MODULE_AUTHOR("Eric Miao <[email protected]>"
- "Mike Rapoport <[email protected]>");
+MODULE_AUTHOR("Eric Miao <[email protected]>");
+MODULE_AUTHOR("Mike Rapoport <[email protected]>");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:da903x-led");
drivers/leds/leds-fsg.c
View filediff --git a/drivers/leds/leds-fsg.c b/drivers/leds/leds-fsg.c
index b9053fa..b4d5a44 100644
--- a/drivers/leds/leds-fsg.c
+++ b/drivers/leds/leds-fsg.c
@@ -20,8 +20,8 @@
#include <linux/platform_device.h>
#include <linux/leds.h>
#include <linux/module.h>
+#include <linux/io.h>
#include <mach/hardware.h>
-#include <asm/io.h>
#define FSG_LED_WLAN_BIT 0
#define FSG_LED_WAN_BIT 1
@@ -149,11 +149,10 @@ static int fsg_led_probe(struct platform_device *pdev)
int ret;
/* Map the LED chip select address space */
- latch_address = (unsigned short *) ioremap(IXP4XX_EXP_BUS_BASE(2), 512);
- if (!latch_address) {
- ret = -ENOMEM;
- goto failremap;
- }
+ latch_address = (unsigned short *) devm_ioremap(&pdev->dev,
+ IXP4XX_EXP_BUS_BASE(2), 512);
+ if (!latch_address)
+ return -ENOMEM;
latch_value = 0xffff;
*latch_address = latch_value;
@@ -195,8 +194,6 @@ static int fsg_led_probe(struct platform_device *pdev)
failwan:
led_classdev_unregister(&fsg_wlan_led);
failwlan:
- iounmap(latch_address);
- failremap:
return ret;
}
@@ -210,8 +207,6 @@ static int fsg_led_remove(struct platform_device *pdev)
led_classdev_unregister(&fsg_sync_led);
led_classdev_unregister(&fsg_ring_led);
- iounmap(latch_address);
-
return 0;
}
drivers/leds/leds-gpio.c
View filediff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
index 291c207..1885a26 100644
--- a/drivers/leds/leds-gpio.c
+++ b/drivers/leds/leds-gpio.c
@@ -21,6 +21,7 @@
#include <linux/workqueue.h>
#include <linux/module.h>
#include <linux/pinctrl/consumer.h>
+#include <linux/err.h>
struct gpio_led_data {
struct led_classdev cdev;
@@ -101,15 +102,11 @@ static int create_gpio_led(const struct gpio_led *template,
/* skip leds that aren't available */
if (!gpio_is_valid(template->gpio)) {
- printk(KERN_INFO "Skipping unavailable LED gpio %d (%s)\n",
+ dev_info(parent, "Skipping unavailable LED gpio %d (%s)\n",
template->gpio, template->name);
return 0;
}
- ret = gpio_request(template->gpio, template->name);
- if (ret < 0)
- return ret;
-
led_dat->cdev.name = template->name;
led_dat->cdev.default_trigger = template->default_trigger;
led_dat->gpio = template->gpio;
@@ -129,20 +126,19 @@ static int create_gpio_led(const struct gpio_led *template,
if (!template->retain_state_suspended)
led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME;
- ret = gpio_direction_output(led_dat->gpio, led_dat->active_low ^ state);
+ ret = devm_gpio_request_one(parent, template->gpio,
+ GPIOF_DIR_OUT | (led_dat->active_low ^ state),
+ template->name);
if (ret < 0)
- goto err;
-
+ return ret;
+
INIT_WORK(&led_dat->work, gpio_led_work);
ret = led_classdev_register(parent, &led_dat->cdev);
if (ret < 0)
- goto err;
+ return ret;
return 0;
-err:
- gpio_free(led_dat->gpio);
- return ret;
}
static void delete_gpio_led(struct gpio_led_data *led)
@@ -151,7 +147,6 @@ static void delete_gpio_led(struct gpio_led_data *led)
return;
led_classdev_unregister(&led->cdev);
cancel_work_sync(&led->work);
- gpio_free(led->gpio);
}
struct gpio_leds_priv {
@@ -176,12 +171,16 @@ static struct gpio_leds_priv *gpio_leds_create_of(struct platform_device *pdev)
/* count LEDs in this device, so we know how much to allocate */
count = of_get_child_count(np);
if (!count)
- return NULL;
+ return ERR_PTR(-ENODEV);
+
+ for_each_child_of_node(np, child)
+ if (of_get_gpio(child, 0) == -EPROBE_DEFER)
+ return ERR_PTR(-EPROBE_DEFER);
priv = devm_kzalloc(&pdev->dev, sizeof_gpio_leds_priv(count),
GFP_KERNEL);
if (!priv)
- return NULL;
+ return ERR_PTR(-ENOMEM);
for_each_child_of_node(np, child) {
struct gpio_led led = {};
@@ -216,7 +215,7 @@ static struct gpio_leds_priv *gpio_leds_create_of(struct platform_device *pdev)
err:
for (count = priv->num_leds - 2; count >= 0; count--)
delete_gpio_led(&priv->leds[count]);
- return NULL;
+ return ERR_PTR(-ENODEV);
}
static const struct of_device_id of_gpio_leds_match[] = {
@@ -226,7 +225,7 @@ static const struct of_device_id of_gpio_leds_match[] = {
#else /* CONFIG_OF_GPIO */
static struct gpio_leds_priv *gpio_leds_create_of(struct platform_device *pdev)
{
- return NULL;
+ return ERR_PTR(-ENODEV);
}
#endif /* CONFIG_OF_GPIO */
@@ -264,8 +263,8 @@ static int gpio_led_probe(struct platform_device *pdev)
}
} else {
priv = gpio_leds_create_of(pdev);
- if (!priv)
- return -ENODEV;
+ if (IS_ERR(priv))
+ return PTR_ERR(priv);
}
platform_set_drvdata(pdev, priv);
drivers/leds/leds-lm355x.c
View filediff --git a/drivers/leds/leds-lm355x.c b/drivers/leds/leds-lm355x.c
index b13ce03..65d7928 100644
--- a/drivers/leds/leds-lm355x.c
+++ b/drivers/leds/leds-lm355x.c
@@ -408,10 +408,10 @@ static ssize_t lm3556_indicator_pattern_store(struct device *dev,
return size;
out:
dev_err(chip->dev, "%s:i2c access fail to register\n", __func__);
- return size;
+ return ret;
}
-static DEVICE_ATTR(pattern, 0666, NULL, lm3556_indicator_pattern_store);
+static DEVICE_ATTR(pattern, S_IWUSR, NULL, lm3556_indicator_pattern_store);
static const struct regmap_config lm355x_regmap = {
.reg_bits = 8,
drivers/leds/leds-lm3642.c
View filediff --git a/drivers/leds/leds-lm3642.c b/drivers/leds/leds-lm3642.c
index 215a7c1..07b3dde 100644
--- a/drivers/leds/leds-lm3642.c
+++ b/drivers/leds/leds-lm3642.c
@@ -201,13 +201,13 @@ static ssize_t lm3642_torch_pin_store(struct device *dev,
return size;
out:
dev_err(chip->dev, "%s:i2c access fail to register\n", __func__);
- return size;
+ return ret;
out_strtoint:
dev_err(chip->dev, "%s: fail to change str to int\n", __func__);
- return size;
+ return ret;
}
-static DEVICE_ATTR(torch_pin, 0666, NULL, lm3642_torch_pin_store);
+static DEVICE_ATTR(torch_pin, S_IWUSR, NULL, lm3642_torch_pin_store);
static void lm3642_deferred_torch_brightness_set(struct work_struct *work)
{
@@ -258,13 +258,13 @@ static ssize_t lm3642_strobe_pin_store(struct device *dev,
return size;
out:
dev_err(chip->dev, "%s:i2c access fail to register\n", __func__);
- return size;
+ return ret;
out_strtoint:
dev_err(chip->dev, "%s: fail to change str to int\n", __func__);
- return size;
+ return ret;
}
-static DEVICE_ATTR(strobe_pin, 0666, NULL, lm3642_strobe_pin_store);
+static DEVICE_ATTR(strobe_pin, S_IWUSR, NULL, lm3642_strobe_pin_store);
static void lm3642_deferred_strobe_brightness_set(struct work_struct *work)
{
drivers/leds/leds-lp3944.c
View filediff --git a/drivers/leds/leds-lp3944.c b/drivers/leds/leds-lp3944.c
index b081f67..0c4386e 100644
--- a/drivers/leds/leds-lp3944.c
+++ b/drivers/leds/leds-lp3944.c
@@ -86,7 +86,7 @@ static int lp3944_reg_read(struct i2c_client *client, u8 reg, u8 *value)
tmp = i2c_smbus_read_byte_data(client, reg);
if (tmp < 0)
- return -EINVAL;
+ return tmp;
*value = tmp;
drivers/leds/leds-lp5521.c
View filediff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c
index 966f158..cb8a522 100644
--- a/drivers/leds/leds-lp5521.c
+++ b/drivers/leds/leds-lp5521.c
@@ -152,7 +152,7 @@ static int lp5521_read(struct i2c_client *client, u8 reg, u8 *buf)
ret = i2c_smbus_read_byte_data(client, reg);
if (ret < 0)
- return -EIO;
+ return ret;
*buf = ret;
return 0;
@@ -616,7 +616,7 @@ static ssize_t store_led_pattern(struct device *dev,
unsigned long val;
int ret;
- ret = strict_strtoul(buf, 16, &val);
+ ret = kstrtoul(buf, 16, &val);
if (ret)
return ret;
@@ -788,10 +788,17 @@ static int lp5521_probe(struct i2c_client *client,
* LP5521_REG_ENABLE register will not have any effect - strange!
*/
ret = lp5521_read(client, LP5521_REG_R_CURRENT, &buf);
- if (ret || buf != LP5521_REG_R_CURR_DEFAULT) {
+ if (ret) {
dev_err(&client->dev, "error in resetting chip\n");
goto fail2;
}
+ if (buf != LP5521_REG_R_CURR_DEFAULT) {
+ dev_err(&client->dev,
+ "unexpected data in register (expected 0x%x got 0x%x)\n",
+ LP5521_REG_R_CURR_DEFAULT, buf);
+ ret = -EINVAL;
+ goto fail2;
+ }
usleep_range(10000, 20000);
ret = lp5521_detect(client);
drivers/leds/leds-lp5523.c
View filediff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c
index 7e304b7..7f5be89 100644
--- a/drivers/leds/leds-lp5523.c
+++ b/drivers/leds/leds-lp5523.c
@@ -171,7 +171,7 @@ static int lp5523_read(struct i2c_client *client, u8 reg, u8 *buf)
s32 ret = i2c_smbus_read_byte_data(client, reg);
if (ret < 0)
- return -EIO;
+ return ret;
*buf = ret;
return 0;
@@ -248,7 +248,10 @@ static int lp5523_configure(struct i2c_client *client)
/* Let the programs run for couple of ms and check the engine status */
usleep_range(3000, 6000);
- lp5523_read(client, LP5523_REG_STATUS, &status);
This diff is incomplete. Download the complete patch.
drivers/leds/leds-lt3593.c
View fileThis diff is incomplete. Download the complete patch.
drivers/leds/leds-net48xx.c
View fileThis diff is incomplete. Download the complete patch.
drivers/leds/leds-netxbig.c
View fileThis diff is incomplete. Download the complete patch.
drivers/leds/leds-ns2.c
View fileThis diff is incomplete. Download the complete patch.
drivers/leds/leds-pca955x.c
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drivers/leds/leds-pwm.c
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drivers/leds/leds-rb532.c
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drivers/leds/leds-renesas-tpu.c
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drivers/leds/leds-ss4200.c
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drivers/leds/leds-wm8350.c
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drivers/leds/leds-wrap.c
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drivers/leds/ledtrig-backlight.c
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drivers/leds/ledtrig-gpio.c
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include/linux/leds.h
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