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path: root/drivers/leds/leds-gpio.c
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Diffstat (limited to 'drivers/leds/leds-gpio.c')
-rw-r--r--drivers/leds/leds-gpio.c31
1 files changed, 13 insertions, 18 deletions
diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
index edd370dbb22f..ba4698c32bb0 100644
--- a/drivers/leds/leds-gpio.c
+++ b/drivers/leds/leds-gpio.c
@@ -28,7 +28,7 @@ struct gpio_led_data {
28 u8 new_level; 28 u8 new_level;
29 u8 can_sleep; 29 u8 can_sleep;
30 u8 blinking; 30 u8 blinking;
31 int (*platform_gpio_blink_set)(unsigned gpio, int state, 31 int (*platform_gpio_blink_set)(struct gpio_desc *desc, int state,
32 unsigned long *delay_on, unsigned long *delay_off); 32 unsigned long *delay_on, unsigned long *delay_off);
33}; 33};
34 34
@@ -38,13 +38,8 @@ static void gpio_led_work(struct work_struct *work)
38 container_of(work, struct gpio_led_data, work); 38 container_of(work, struct gpio_led_data, work);
39 39
40 if (led_dat->blinking) { 40 if (led_dat->blinking) {
41 int gpio = desc_to_gpio(led_dat->gpiod); 41 led_dat->platform_gpio_blink_set(led_dat->gpiod,
42 int level = led_dat->new_level; 42 led_dat->new_level, NULL, NULL);
43
44 if (gpiod_is_active_low(led_dat->gpiod))
45 level = !level;
46
47 led_dat->platform_gpio_blink_set(gpio, level, NULL, NULL);
48 led_dat->blinking = 0; 43 led_dat->blinking = 0;
49 } else 44 } else
50 gpiod_set_value_cansleep(led_dat->gpiod, led_dat->new_level); 45 gpiod_set_value_cansleep(led_dat->gpiod, led_dat->new_level);
@@ -71,13 +66,8 @@ static void gpio_led_set(struct led_classdev *led_cdev,
71 schedule_work(&led_dat->work); 66 schedule_work(&led_dat->work);
72 } else { 67 } else {
73 if (led_dat->blinking) { 68 if (led_dat->blinking) {
74 int gpio = desc_to_gpio(led_dat->gpiod); 69 led_dat->platform_gpio_blink_set(led_dat->gpiod, level,
75 70 NULL, NULL);
76 if (gpiod_is_active_low(led_dat->gpiod))
77 level = !level;
78
79 led_dat->platform_gpio_blink_set(gpio, level, NULL,
80 NULL);
81 led_dat->blinking = 0; 71 led_dat->blinking = 0;
82 } else 72 } else
83 gpiod_set_value(led_dat->gpiod, level); 73 gpiod_set_value(led_dat->gpiod, level);
@@ -89,20 +79,25 @@ static int gpio_blink_set(struct led_classdev *led_cdev,
89{ 79{
90 struct gpio_led_data *led_dat = 80 struct gpio_led_data *led_dat =
91 container_of(led_cdev, struct gpio_led_data, cdev); 81 container_of(led_cdev, struct gpio_led_data, cdev);
92 int gpio = desc_to_gpio(led_dat->gpiod);
93 82
94 led_dat->blinking = 1; 83 led_dat->blinking = 1;
95 return led_dat->platform_gpio_blink_set(gpio, GPIO_LED_BLINK, 84 return led_dat->platform_gpio_blink_set(led_dat->gpiod, GPIO_LED_BLINK,
96 delay_on, delay_off); 85 delay_on, delay_off);
97} 86}
98 87
99static int create_gpio_led(const struct gpio_led *template, 88static int create_gpio_led(const struct gpio_led *template,
100 struct gpio_led_data *led_dat, struct device *parent, 89 struct gpio_led_data *led_dat, struct device *parent,
101 int (*blink_set)(unsigned, int, unsigned long *, unsigned long *)) 90 int (*blink_set)(struct gpio_desc *, int, unsigned long *,
91 unsigned long *))
102{ 92{
103 int ret, state; 93 int ret, state;
104 94
105 if (!template->gpiod) { 95 if (!template->gpiod) {
96 /*
97 * This is the legacy code path for platform code that
98 * still uses GPIO numbers. Ultimately we would like to get
99 * rid of this block completely.
100 */
106 unsigned long flags = 0; 101 unsigned long flags = 0;
107 102
108 /* skip leds that aren't available */ 103 /* skip leds that aren't available */