diff options
Diffstat (limited to 'drivers/leds/led-class.c')
-rw-r--r-- | drivers/leds/led-class.c | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c index aa29198fca3e..7440c58b8e6f 100644 --- a/drivers/leds/led-class.c +++ b/drivers/leds/led-class.c | |||
@@ -9,26 +9,21 @@ | |||
9 | * published by the Free Software Foundation. | 9 | * published by the Free Software Foundation. |
10 | */ | 10 | */ |
11 | 11 | ||
12 | #include <linux/module.h> | 12 | #include <linux/ctype.h> |
13 | #include <linux/kernel.h> | 13 | #include <linux/device.h> |
14 | #include <linux/err.h> | ||
14 | #include <linux/init.h> | 15 | #include <linux/init.h> |
16 | #include <linux/kernel.h> | ||
17 | #include <linux/leds.h> | ||
15 | #include <linux/list.h> | 18 | #include <linux/list.h> |
19 | #include <linux/module.h> | ||
20 | #include <linux/slab.h> | ||
16 | #include <linux/spinlock.h> | 21 | #include <linux/spinlock.h> |
17 | #include <linux/device.h> | ||
18 | #include <linux/timer.h> | 22 | #include <linux/timer.h> |
19 | #include <linux/err.h> | ||
20 | #include <linux/ctype.h> | ||
21 | #include <linux/leds.h> | ||
22 | #include "leds.h" | 23 | #include "leds.h" |
23 | 24 | ||
24 | static struct class *leds_class; | 25 | static struct class *leds_class; |
25 | 26 | ||
26 | static void led_update_brightness(struct led_classdev *led_cdev) | ||
27 | { | ||
28 | if (led_cdev->brightness_get) | ||
29 | led_cdev->brightness = led_cdev->brightness_get(led_cdev); | ||
30 | } | ||
31 | |||
32 | static ssize_t brightness_show(struct device *dev, | 27 | static ssize_t brightness_show(struct device *dev, |
33 | struct device_attribute *attr, char *buf) | 28 | struct device_attribute *attr, char *buf) |
34 | { | 29 | { |
@@ -59,14 +54,14 @@ static ssize_t brightness_store(struct device *dev, | |||
59 | } | 54 | } |
60 | static DEVICE_ATTR_RW(brightness); | 55 | static DEVICE_ATTR_RW(brightness); |
61 | 56 | ||
62 | static ssize_t led_max_brightness_show(struct device *dev, | 57 | static ssize_t max_brightness_show(struct device *dev, |
63 | struct device_attribute *attr, char *buf) | 58 | struct device_attribute *attr, char *buf) |
64 | { | 59 | { |
65 | struct led_classdev *led_cdev = dev_get_drvdata(dev); | 60 | struct led_classdev *led_cdev = dev_get_drvdata(dev); |
66 | 61 | ||
67 | return sprintf(buf, "%u\n", led_cdev->max_brightness); | 62 | return sprintf(buf, "%u\n", led_cdev->max_brightness); |
68 | } | 63 | } |
69 | static DEVICE_ATTR(max_brightness, 0444, led_max_brightness_show, NULL); | 64 | static DEVICE_ATTR_RO(max_brightness); |
70 | 65 | ||
71 | #ifdef CONFIG_LEDS_TRIGGERS | 66 | #ifdef CONFIG_LEDS_TRIGGERS |
72 | static DEVICE_ATTR(trigger, 0644, led_trigger_show, led_trigger_store); | 67 | static DEVICE_ATTR(trigger, 0644, led_trigger_show, led_trigger_store); |