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leds: led-core: Get rid of enum led_brightness 

This gets rid of enum led_brightness in the main led files,
because it is deprecated, and an unsigned int can be used instead.

We can get rid of led_brightness completely and
patches can also be supplied for the other drivers' files.

Signed-off-by: Abanoub Sameh <abanoubsameh@protonmail.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
This commit is contained in:
Abanoub Sameh 2020-12-11 22:42:08 +02:00 коммит произвёл Pavel Machek
Родитель d864645276
Коммит af0bfab907
4 изменённых файлов: 15 добавлений и 26 удалений
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3
drivers/leds/led-class.c
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@ -145,8 +145,7 @@ static void led_remove_brightness_hw_changed(struct led_classdev *led_cdev)
device_remove_file(led_cdev->dev, &dev_attr_brightness_hw_changed);
}
void led_classdev_notify_brightness_hw_changed(struct led_classdev *led_cdev,
enum led_brightness brightness)
void led_classdev_notify_brightness_hw_changed(struct led_classdev *led_cdev, unsigned int brightness)
{
if (WARN_ON(!led_cdev->brightness_hw_changed_kn))
return;

20
drivers/leds/led-core.c
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@ -39,8 +39,7 @@ const char * const led_colors[LED_COLOR_ID_MAX] = {
};
EXPORT_SYMBOL_GPL(led_colors);
static int __led_set_brightness(struct led_classdev *led_cdev,
enum led_brightness value)
static int __led_set_brightness(struct led_classdev *led_cdev, unsigned int value)
{
if (!led_cdev->brightness_set)
return -ENOTSUPP;
@ -50,8 +49,7 @@ static int __led_set_brightness(struct led_classdev *led_cdev,
return 0;
}
static int __led_set_brightness_blocking(struct led_classdev *led_cdev,
enum led_brightness value)
static int __led_set_brightness_blocking(struct led_classdev *led_cdev, unsigned int value)
{
if (!led_cdev->brightness_set_blocking)
return -ENOTSUPP;
@ -240,8 +238,7 @@ void led_stop_software_blink(struct led_classdev *led_cdev)
}
EXPORT_SYMBOL_GPL(led_stop_software_blink);
void led_set_brightness(struct led_classdev *led_cdev,
enum led_brightness brightness)
void led_set_brightness(struct led_classdev *led_cdev, unsigned int brightness)
{
/*
* If software blink is active, delay brightness setting
@ -253,7 +250,7 @@ void led_set_brightness(struct led_classdev *led_cdev,
* work queue task to avoid problems in case we are called
* from hard irq context.
*/
if (brightness == LED_OFF) {
if (!brightness) {
set_bit(LED_BLINK_DISABLE, &led_cdev->work_flags);
schedule_work(&led_cdev->set_brightness_work);
} else {
@ -268,8 +265,7 @@ void led_set_brightness(struct led_classdev *led_cdev,
}
EXPORT_SYMBOL_GPL(led_set_brightness);
void led_set_brightness_nopm(struct led_classdev *led_cdev,
enum led_brightness value)
void led_set_brightness_nopm(struct led_classdev *led_cdev, unsigned int value)
{
/* Use brightness_set op if available, it is guaranteed not to sleep */
if (!__led_set_brightness(led_cdev, value))
@ -281,8 +277,7 @@ void led_set_brightness_nopm(struct led_classdev *led_cdev,
}
EXPORT_SYMBOL_GPL(led_set_brightness_nopm);
void led_set_brightness_nosleep(struct led_classdev *led_cdev,
enum led_brightness value)
void led_set_brightness_nosleep(struct led_classdev *led_cdev, unsigned int value)
{
led_cdev->brightness = min(value, led_cdev->max_brightness);
@ -293,8 +288,7 @@ void led_set_brightness_nosleep(struct led_classdev *led_cdev,
}
EXPORT_SYMBOL_GPL(led_set_brightness_nosleep);
int led_set_brightness_sync(struct led_classdev *led_cdev,
enum led_brightness value)
int led_set_brightness_sync(struct led_classdev *led_cdev, unsigned int value)
{
if (led_cdev->blink_delay_on || led_cdev->blink_delay_off)
return -EBUSY;

6
drivers/leds/leds.h
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@ -19,10 +19,8 @@ static inline int led_get_brightness(struct led_classdev *led_cdev)
void led_init_core(struct led_classdev *led_cdev);
void led_stop_software_blink(struct led_classdev *led_cdev);
void led_set_brightness_nopm(struct led_classdev *led_cdev,
enum led_brightness value);
void led_set_brightness_nosleep(struct led_classdev *led_cdev,
enum led_brightness value);
void led_set_brightness_nopm(struct led_classdev *led_cdev, unsigned int value);
void led_set_brightness_nosleep(struct led_classdev *led_cdev, unsigned int value);
ssize_t led_trigger_read(struct file *filp, struct kobject *kobj,
struct bin_attribute *attr, char *buf,
loff_t pos, size_t count);

12
include/linux/leds.h
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@ -63,8 +63,8 @@ struct led_hw_trigger_type {
struct led_classdev {
const char *name;
enum led_brightness brightness;
enum led_brightness max_brightness;
unsigned int brightness;
unsigned int max_brightness;
int flags;
/* Lower 16 bits reflect status */
@ -253,8 +253,7 @@ void led_blink_set_oneshot(struct led_classdev *led_cdev,
* software blink timer that implements blinking when the
* hardware doesn't. This function is guaranteed not to sleep.
*/
void led_set_brightness(struct led_classdev *led_cdev,
enum led_brightness brightness);
void led_set_brightness(struct led_classdev *led_cdev, unsigned int brightness);
/**
* led_set_brightness_sync - set LED brightness synchronously
@ -267,8 +266,7 @@ void led_set_brightness(struct led_classdev *led_cdev,
*
* Returns: 0 on success or negative error value on failure
*/
int led_set_brightness_sync(struct led_classdev *led_cdev,
enum led_brightness value);
int led_set_brightness_sync(struct led_classdev *led_cdev, unsigned int value);
/**
* led_update_brightness - update LED brightness
@ -565,7 +563,7 @@ static inline void ledtrig_cpu(enum cpu_led_event evt)
#ifdef CONFIG_LEDS_BRIGHTNESS_HW_CHANGED
void led_classdev_notify_brightness_hw_changed(
struct led_classdev *led_cdev, enum led_brightness brightness);
struct led_classdev *led_cdev, unsigned int brightness);
#else
static inline void led_classdev_notify_brightness_hw_changed(
struct led_classdev *led_cdev, enum led_brightness brightness) { }