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| author | Andrew Lunn <andrew@lunn.ch> | 2015-08-20 12:09:57 +0200 |
|---|---|---|
| committer | Jacek Anaszewski <j.anaszewski@samsung.com> | 2016-01-04 09:57:33 +0100 |
| commit | 525d6a65a2abe279889b019e2663b8a11bc4f90b (patch) | |
| tree | 4ea2c572d0f988d28d8fae061a620de286f2ec3b /drivers/leds/leds-lp3944.c | |
| parent | 00a88a19d1d9b80e11ffe1a4f11dcabb93a75e45 (diff) | |
| download | linux-stable-525d6a65a2abe279889b019e2663b8a11bc4f90b.tar.gz linux-stable-525d6a65a2abe279889b019e2663b8a11bc4f90b.tar.bz2 linux-stable-525d6a65a2abe279889b019e2663b8a11bc4f90b.zip | |
leds: lp3944: Remove work queue
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@lunn.ch>
Acked-by: Antonio Ospite <ao2@ao2.it>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Diffstat (limited to 'drivers/leds/leds-lp3944.c')
| -rw-r--r-- | drivers/leds/leds-lp3944.c | 32 |
1 files changed, 8 insertions, 24 deletions
diff --git a/drivers/leds/leds-lp3944.c b/drivers/leds/leds-lp3944.c index 53144fb96167..6c758aea1bbd 100644 --- a/drivers/leds/leds-lp3944.c +++ b/drivers/leds/leds-lp3944.c @@ -31,7 +31,6 @@ #include <linux/slab.h> #include <linux/leds.h> #include <linux/mutex.h> -#include <linux/workqueue.h> #include <linux/leds-lp3944.h> /* Read Only Registers */ @@ -68,10 +67,8 @@ struct lp3944_led_data { u8 id; enum lp3944_type type; - enum lp3944_status status; struct led_classdev ldev; struct i2c_client *client; - struct work_struct work; }; struct lp3944_data { @@ -275,13 +272,12 @@ static int lp3944_led_set_blink(struct led_classdev *led_cdev, dev_dbg(&led->client->dev, "%s: OK hardware accelerated blink!\n", __func__); - led->status = LP3944_LED_STATUS_DIM0; - schedule_work(&led->work); + lp3944_led_set(led, LP3944_LED_STATUS_DIM0); return 0; } -static void lp3944_led_set_brightness(struct led_classdev *led_cdev, +static int lp3944_led_set_brightness(struct led_classdev *led_cdev, enum led_brightness brightness) { struct lp3944_led_data *led = ldev_to_led(led_cdev); @@ -289,16 +285,7 @@ static void lp3944_led_set_brightness(struct led_classdev *led_cdev, dev_dbg(&led->client->dev, "%s: %s, %d\n", __func__, led_cdev->name, brightness); - led->status = !!brightness; - schedule_work(&led->work); -} - -static void lp3944_led_work(struct work_struct *work) -{ - struct lp3944_led_data *led; - - led = container_of(work, struct lp3944_led_data, work); - lp3944_led_set(led, led->status); + return lp3944_led_set(led, !!brightness); } static int lp3944_configure(struct i2c_client *client, @@ -318,14 +305,13 @@ static int lp3944_configure(struct i2c_client *client, case LP3944_LED_TYPE_LED: case LP3944_LED_TYPE_LED_INVERTED: led->type = pled->type; - led->status = pled->status; led->ldev.name = pled->name; led->ldev.max_brightness = 1; - led->ldev.brightness_set = lp3944_led_set_brightness; + led->ldev.brightness_set_blocking = + lp3944_led_set_brightness; led->ldev.blink_set = lp3944_led_set_blink; led->ldev.flags = LED_CORE_SUSPENDRESUME; - INIT_WORK(&led->work, lp3944_led_work); err = led_classdev_register(&client->dev, &led->ldev); if (err < 0) { dev_err(&client->dev, @@ -336,14 +322,14 @@ static int lp3944_configure(struct i2c_client *client, /* to expose the default value to userspace */ led->ldev.brightness = - (enum led_brightness) led->status; + (enum led_brightness) pled->status; /* Set the default led status */ - err = lp3944_led_set(led, led->status); + err = lp3944_led_set(led, pled->status); if (err < 0) { dev_err(&client->dev, "%s couldn't set STATUS %d\n", - led->ldev.name, led->status); + led->ldev.name, pled->status); goto exit; } break; @@ -364,7 +350,6 @@ exit: case LP3944_LED_TYPE_LED: case LP3944_LED_TYPE_LED_INVERTED: led_classdev_unregister(&data->leds[i].ldev); - cancel_work_sync(&data->leds[i].work); break; case LP3944_LED_TYPE_NONE: @@ -424,7 +409,6 @@ static int lp3944_remove(struct i2c_client *client) case LP3944_LED_TYPE_LED: case LP3944_LED_TYPE_LED_INVERTED: led_classdev_unregister(&data->leds[i].ldev); - cancel_work_sync(&data->leds[i].work); break; case LP3944_LED_TYPE_NONE: |