From: Andrew Lunn <and...@lunn.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 <and...@lunn.ch>
Signed-off-by: Jacek Anaszewski <j.anaszew...@samsung.com>
---
drivers/leds/leds-88pm860x.c | 23 +++++++----------------
1 file changed, 7 insertions(+), 16 deletions(-)
diff --git a/drivers/leds/leds-88pm860x.c b/drivers/leds/leds-88pm860x.c
index 1497a09..c9fcf49 100644
--- a/drivers/leds/leds-88pm860x.c
+++ b/drivers/leds/leds-88pm860x.c
@@ -16,7 +16,6 @@
#include <linux/i2c.h>
#include <linux/leds.h>
#include <linux/slab.h>
-#include <linux/workqueue.h>
#include <linux/mfd/88pm860x.h>
#include <linux/module.h>
@@ -33,7 +32,6 @@
struct pm860x_led {
struct led_classdev cdev;
struct i2c_client *i2c;
- struct work_struct work;
struct pm860x_chip *chip;
struct mutex lock;
char name[MFD_NAME_SIZE];
@@ -69,17 +67,18 @@ static int led_power_set(struct pm860x_chip *chip, int
port, int on)
return ret;
}
-static void pm860x_led_work(struct work_struct *work)
+static int pm860x_led_set(struct led_classdev *cdev,
+ enum led_brightness value)
{
-
- struct pm860x_led *led;
+ struct pm860x_led *led = container_of(cdev, struct pm860x_led, cdev);
struct pm860x_chip *chip;
unsigned char buf[3];
int ret;
- led = container_of(work, struct pm860x_led, work);
chip = led->chip;
mutex_lock(&led->lock);
+ led->brightness = value >> 3;
+
if ((led->current_brightness == 0) && led->brightness) {
led_power_set(chip, led->port, 1);
if (led->iset) {
@@ -112,15 +111,8 @@ static void pm860x_led_work(struct work_struct *work)
dev_dbg(chip->dev, "Update LED. (reg:%d, brightness:%d)\n",
led->reg_control, led->brightness);
mutex_unlock(&led->lock);
-}
-static void pm860x_led_set(struct led_classdev *cdev,
- enum led_brightness value)
-{
- struct pm860x_led *data = container_of(cdev, struct pm860x_led, cdev);
-
- data->brightness = value >> 3;
- schedule_work(&data->work);
+ return 0;
}
#ifdef CONFIG_OF
@@ -212,9 +204,8 @@ static int pm860x_led_probe(struct platform_device *pdev)
data->current_brightness = 0;
data->cdev.name = data->name;
- data->cdev.brightness_set = pm860x_led_set;
+ data->cdev.brightness_set_blocking = pm860x_led_set;
mutex_init(&data->lock);
- INIT_WORK(&data->work, pm860x_led_work);
ret = led_classdev_register(chip->dev, &data->cdev);
if (ret < 0) {
--
1.7.9.5
--
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