[PATCH v2 1/7] leds: gpio: introduce gpio_blink_set_t

From: Heiner Kallweit
Date: Wed Sep 14 2016 - 14:56:02 EST


Introduce a typedef gpio_blink_set_t to improve readability of the code.

Signed-off-by: Heiner Kallweit <hkallweit1@xxxxxxxxx>
---
v2:
- no change
---
drivers/leds/leds-gpio.c | 6 ++----
include/linux/leds.h | 9 ++++++---
2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
index 9b991d4..3599b2e 100644
--- a/drivers/leds/leds-gpio.c
+++ b/drivers/leds/leds-gpio.c
@@ -26,8 +26,7 @@ struct gpio_led_data {
struct gpio_desc *gpiod;
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_set(struct led_classdev *led_cdev,
@@ -74,8 +73,7 @@ static int gpio_blink_set(struct led_classdev *led_cdev,

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;

diff --git a/include/linux/leds.h b/include/linux/leds.h
index 8a3b5d2..ddfcb2d 100644
--- a/include/linux/leds.h
+++ b/include/linux/leds.h
@@ -359,6 +359,11 @@ 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;
@@ -382,9 +387,7 @@ 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;
};

#ifdef CONFIG_NEW_LEDS
--
2.9.2