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Subject[PATCH/RFC v5 19/57] leds: pca9532: Remove work queue for LEDs.
Date
From: Andrew Lunn <andrew@lunn.ch>

Now the core implements the work queue, remove it from the driver.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
---
drivers/leds/leds-pca9532.c | 21 ++++++++-------------
1 file changed, 8 insertions(+), 13 deletions(-)

diff --git a/drivers/leds/leds-pca9532.c b/drivers/leds/leds-pca9532.c
index 5a6363d..18d4d61 100644
--- a/drivers/leds/leds-pca9532.c
+++ b/drivers/leds/leds-pca9532.c
@@ -174,7 +174,9 @@ static void pca9532_set_brightness(struct led_classdev *led_cdev,
if (err)
return; /* XXX: led api doesn't allow error code? */
}
- schedule_work(&led->work);
+ if (led->state == PCA9532_PWM0)
+ pca9532_setpwm(led->client, 0);
+ pca9532_setled(led);
}

static int pca9532_set_blink(struct led_classdev *led_cdev,
@@ -198,7 +200,10 @@ static int pca9532_set_blink(struct led_classdev *led_cdev,
err = pca9532_calcpwm(client, 0, psc, led_cdev->brightness);
if (err)
return err;
- schedule_work(&led->work);
+ if (led->state == PCA9532_PWM0)
+ pca9532_setpwm(led->client, 0);
+ pca9532_setled(led);
+
return 0;
}

@@ -233,15 +238,6 @@ static void pca9532_input_work(struct work_struct *work)
mutex_unlock(&data->update_lock);
}

-static void pca9532_led_work(struct work_struct *work)
-{
- struct pca9532_led *led;
- led = container_of(work, struct pca9532_led, work);
- if (led->state == PCA9532_PWM0)
- pca9532_setpwm(led->client, 0);
- pca9532_setled(led);
-}
-
#ifdef CONFIG_LEDS_PCA9532_GPIO
static int pca9532_gpio_request_pin(struct gpio_chip *gc, unsigned offset)
{
@@ -307,7 +303,6 @@ static int pca9532_destroy_devices(struct pca9532_data *data, int n_devs)
break;
case PCA9532_TYPE_LED:
led_classdev_unregister(&data->leds[i].ldev);
- cancel_work_sync(&data->leds[i].work);
break;
case PCA9532_TYPE_N2100_BEEP:
if (data->idev != NULL) {
@@ -361,7 +356,7 @@ static int pca9532_configure(struct i2c_client *client,
led->ldev.brightness = LED_OFF;
led->ldev.brightness_set = pca9532_set_brightness;
led->ldev.blink_set = pca9532_set_blink;
- INIT_WORK(&led->work, pca9532_led_work);
+ led->ldev.flags |= LED_BRIGHTNESS_BLOCKING;
err = led_classdev_register(&client->dev, &led->ldev);
if (err < 0) {
dev_err(&client->dev,
--
1.7.9.5


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