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Date: Thu, 20 Aug 2015 16:43:44 +0200
From: Jacek Anaszewski <j.anaszewski@...sung.com>
To: linux-leds@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Andrew Lunn <andrew@...n.ch>, Kim Kyuwon <q1.kim@...sung.com>,
Jacek Anaszewski <j.anaszewski@...sung.com>
Subject: [PATCH/RFC v6 14/36] leds: bd2802: Remove work queue
From: Andrew Lunn <andrew@...n.ch>
Now the core implements the work queue, remove it from the driver,
and switch to using brightness_set_blocking op.
Signed-off-by: Andrew Lunn <andrew@...n.ch>
Cc: Kim Kyuwon <q1.kim@...sung.com>
Signed-off-by: Jacek Anaszewski <j.anaszewski@...sung.com>
---
drivers/leds/leds-bd2802.c | 39 ++++++++++++++-------------------------
1 file changed, 14 insertions(+), 25 deletions(-)
diff --git a/drivers/leds/leds-bd2802.c b/drivers/leds/leds-bd2802.c
index 6078c15d..6b4de76 100644
--- a/drivers/leds/leds-bd2802.c
+++ b/drivers/leds/leds-bd2802.c
@@ -72,7 +72,6 @@ struct bd2802_led {
struct bd2802_led_platform_data *pdata;
struct i2c_client *client;
struct rw_semaphore rwsem;
- struct work_struct work;
struct led_state led[2];
@@ -518,29 +517,22 @@ static struct device_attribute *bd2802_attributes[] = {
&bd2802_rgb_current_attr,
};
-static void bd2802_led_work(struct work_struct *work)
-{
- struct bd2802_led *led = container_of(work, struct bd2802_led, work);
-
- if (led->state)
- bd2802_turn_on(led, led->led_id, led->color, led->state);
- else
- bd2802_turn_off(led, led->led_id, led->color);
-}
-
#define BD2802_CONTROL_RGBS(name, id, clr) \
-static void bd2802_set_##name##_brightness(struct led_classdev *led_cdev,\
+static int bd2802_set_##name##_brightness(struct led_classdev *led_cdev,\
enum led_brightness value) \
{ \
struct bd2802_led *led = \
container_of(led_cdev, struct bd2802_led, cdev_##name); \
led->led_id = id; \
led->color = clr; \
- if (value == LED_OFF) \
+ if (value == LED_OFF) { \
led->state = BD2802_OFF; \
- else \
+ bd2802_turn_off(led, led->led_id, led->color); \
+ } else { \
led->state = BD2802_ON; \
- schedule_work(&led->work); \
+ bd2802_turn_on(led, led->led_id, led->color, BD2802_ON);\
+ } \
+ return 0; \
} \
static int bd2802_set_##name##_blink(struct led_classdev *led_cdev, \
unsigned long *delay_on, unsigned long *delay_off) \
@@ -552,7 +544,7 @@ static int bd2802_set_##name##_blink(struct led_classdev *led_cdev, \
led->led_id = id; \
led->color = clr; \
led->state = BD2802_BLINK; \
- schedule_work(&led->work); \
+ bd2802_turn_on(led, led->led_id, led->color, BD2802_BLINK); \
return 0; \
}
@@ -567,11 +559,9 @@ static int bd2802_register_led_classdev(struct bd2802_led *led)
{
int ret;
- INIT_WORK(&led->work, bd2802_led_work);
-
led->cdev_led1r.name = "led1_R";
led->cdev_led1r.brightness = LED_OFF;
- led->cdev_led1r.brightness_set = bd2802_set_led1r_brightness;
+ led->cdev_led1r.brightness_set_blocking = bd2802_set_led1r_brightness;
led->cdev_led1r.blink_set = bd2802_set_led1r_blink;
ret = led_classdev_register(&led->client->dev, &led->cdev_led1r);
@@ -583,7 +573,7 @@ static int bd2802_register_led_classdev(struct bd2802_led *led)
led->cdev_led1g.name = "led1_G";
led->cdev_led1g.brightness = LED_OFF;
- led->cdev_led1g.brightness_set = bd2802_set_led1g_brightness;
+ led->cdev_led1g.brightness_set_blocking = bd2802_set_led1g_brightness;
led->cdev_led1g.blink_set = bd2802_set_led1g_blink;
ret = led_classdev_register(&led->client->dev, &led->cdev_led1g);
@@ -595,7 +585,7 @@ static int bd2802_register_led_classdev(struct bd2802_led *led)
led->cdev_led1b.name = "led1_B";
led->cdev_led1b.brightness = LED_OFF;
- led->cdev_led1b.brightness_set = bd2802_set_led1b_brightness;
+ led->cdev_led1b.brightness_set_blocking = bd2802_set_led1b_brightness;
led->cdev_led1b.blink_set = bd2802_set_led1b_blink;
ret = led_classdev_register(&led->client->dev, &led->cdev_led1b);
@@ -607,7 +597,7 @@ static int bd2802_register_led_classdev(struct bd2802_led *led)
led->cdev_led2r.name = "led2_R";
led->cdev_led2r.brightness = LED_OFF;
- led->cdev_led2r.brightness_set = bd2802_set_led2r_brightness;
+ led->cdev_led2r.brightness_set_blocking = bd2802_set_led2r_brightness;
led->cdev_led2r.blink_set = bd2802_set_led2r_blink;
ret = led_classdev_register(&led->client->dev, &led->cdev_led2r);
@@ -619,7 +609,7 @@ static int bd2802_register_led_classdev(struct bd2802_led *led)
led->cdev_led2g.name = "led2_G";
led->cdev_led2g.brightness = LED_OFF;
- led->cdev_led2g.brightness_set = bd2802_set_led2g_brightness;
+ led->cdev_led2g.brightness_set_blocking = bd2802_set_led2g_brightness;
led->cdev_led2g.blink_set = bd2802_set_led2g_blink;
ret = led_classdev_register(&led->client->dev, &led->cdev_led2g);
@@ -631,7 +621,7 @@ static int bd2802_register_led_classdev(struct bd2802_led *led)
led->cdev_led2b.name = "led2_B";
led->cdev_led2b.brightness = LED_OFF;
- led->cdev_led2b.brightness_set = bd2802_set_led2b_brightness;
+ led->cdev_led2b.brightness_set_blocking = bd2802_set_led2b_brightness;
led->cdev_led2b.blink_set = bd2802_set_led2b_blink;
led->cdev_led2b.flags |= LED_CORE_SUSPENDRESUME;
@@ -661,7 +651,6 @@ failed_unregister_led1_R:
static void bd2802_unregister_led_classdev(struct bd2802_led *led)
{
- cancel_work_sync(&led->work);
led_classdev_unregister(&led->cdev_led2b);
led_classdev_unregister(&led->cdev_led2g);
led_classdev_unregister(&led->cdev_led2r);
--
1.7.9.5
--
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