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freifunkist-firmware/target/linux/generic/pending-4.4/085-0002-leds-gpio-introduc...

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From 68620e594c250ba8c43a78e77f5296cb9952582e Mon Sep 17 00:00:00 2001
From: Heiner Kallweit <hkallweit1@gmail.com>
Date: Wed, 14 Sep 2016 20:54:12 +0200
Subject: [PATCH] leds: gpio: introduce gpio_blink_set_t
Introduce a typedef gpio_blink_set_t to improve readability of the code.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
---
drivers/leds/leds-gpio.c | 6 ++----
include/linux/leds.h | 9 ++++++---
2 files changed, 8 insertions(+), 7 deletions(-)
--- a/drivers/leds/leds-gpio.c
+++ b/drivers/leds/leds-gpio.c
@@ -29,8 +29,7 @@ struct gpio_led_data {
u8 new_level;
u8 can_sleep;
u8 blinking;
- int (*platform_gpio_blink_set)(struct gpio_desc *desc, int state,
- unsigned long *delay_on, unsigned long *delay_off);
+ gpio_blink_set_t platform_gpio_blink_set;
};
static void gpio_led_work(struct work_struct *work)
@@ -88,8 +87,7 @@ static int gpio_blink_set(struct led_cla
static int create_gpio_led(const struct gpio_led *template,
struct gpio_led_data *led_dat, struct device *parent,
- int (*blink_set)(struct gpio_desc *, int, unsigned long *,
- unsigned long *))
+ gpio_blink_set_t blink_set)
{
int ret, state;
--- a/include/linux/leds.h
+++ b/include/linux/leds.h
@@ -330,6 +330,11 @@ struct led_platform_data {
struct led_info *leds;
};
+struct gpio_desc;
+typedef int (*gpio_blink_set_t)(struct gpio_desc *desc, int state,
+ unsigned long *delay_on,
+ unsigned long *delay_off);
+
/* For the leds-gpio driver */
struct gpio_led {
const char *name;
@@ -352,9 +357,7 @@ struct gpio_led_platform_data {
#define GPIO_LED_NO_BLINK_LOW 0 /* No blink GPIO state low */
#define GPIO_LED_NO_BLINK_HIGH 1 /* No blink GPIO state high */
#define GPIO_LED_BLINK 2 /* Please, blink */
- int (*gpio_blink_set)(struct gpio_desc *desc, int state,
- unsigned long *delay_on,
- unsigned long *delay_off);
+ gpio_blink_set_t gpio_blink_set;
};
struct platform_device *gpio_led_register_device(