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HID: thingm: remove workqueue 

Defining workqueues in LED drivers isn't needed any longer as the LED core
was extended with a generic workqueue recently.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Heiner Kallweit 2016-02-29 21:34:50 +01:00 committed by Jiri Kosina
parent c2848f2eef
commit 3de68ce92b
1 changed files with 15 additions and 24 deletions
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39
drivers/hid/hid-thingm.c
View File

@ -14,7 +14,6 @@
#include <linux/leds.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/workqueue.h>
#include "hid-ids.h"
@ -56,7 +55,6 @@ struct thingm_rgb {
struct thingm_led red;
struct thingm_led green;
struct thingm_led blue;
struct work_struct work;
u8 num;
};
@ -131,25 +129,21 @@ static int thingm_write_color(struct thingm_rgb *rgb)
return thingm_send(rgb->tdev, buf);
}
static void thingm_work(struct work_struct *work)
{
struct thingm_rgb *rgb = container_of(work, struct thingm_rgb, work);
mutex_lock(&rgb->tdev->lock);
if (thingm_write_color(rgb))
hid_err(rgb->tdev->hdev, "failed to write color\n");
mutex_unlock(&rgb->tdev->lock);
}
static void thingm_led_set(struct led_classdev *ldev,
enum led_brightness brightness)
static int thingm_led_set(struct led_classdev *ldev,
enum led_brightness brightness)
{
struct thingm_led *led = container_of(ldev, struct thingm_led, ldev);
int ret;
/* the ledclass has already stored the brightness value */
schedule_work(&led->rgb->work);
mutex_lock(&led->rgb->tdev->lock);
ret = thingm_write_color(led->rgb);
if (ret)
hid_err(led->rgb->tdev->hdev, "failed to write color\n");
mutex_unlock(&led->rgb->tdev->lock);
return ret;
}
static int thingm_init_rgb(struct thingm_rgb *rgb)
@ -162,7 +156,7 @@ static int thingm_init_rgb(struct thingm_rgb *rgb)
"thingm%d:red:led%d", minor, rgb->num);
rgb->red.ldev.name = rgb->red.name;
rgb->red.ldev.max_brightness = 255;
rgb->red.ldev.brightness_set = thingm_led_set;
rgb->red.ldev.brightness_set_blocking = thingm_led_set;
rgb->red.rgb = rgb;
err = led_classdev_register(&rgb->tdev->hdev->dev, &rgb->red.ldev);
@ -174,7 +168,7 @@ static int thingm_init_rgb(struct thingm_rgb *rgb)
"thingm%d:green:led%d", minor, rgb->num);
rgb->green.ldev.name = rgb->green.name;
rgb->green.ldev.max_brightness = 255;
rgb->green.ldev.brightness_set = thingm_led_set;
rgb->green.ldev.brightness_set_blocking = thingm_led_set;
rgb->green.rgb = rgb;
err = led_classdev_register(&rgb->tdev->hdev->dev, &rgb->green.ldev);
@ -186,15 +180,13 @@ static int thingm_init_rgb(struct thingm_rgb *rgb)
"thingm%d:blue:led%d", minor, rgb->num);
rgb->blue.ldev.name = rgb->blue.name;
rgb->blue.ldev.max_brightness = 255;
rgb->blue.ldev.brightness_set = thingm_led_set;
rgb->blue.ldev.brightness_set_blocking = thingm_led_set;
rgb->blue.rgb = rgb;
err = led_classdev_register(&rgb->tdev->hdev->dev, &rgb->blue.ldev);
if (err)
goto unregister_green;
INIT_WORK(&rgb->work, thingm_work);
return 0;
unregister_green:
@ -211,7 +203,6 @@ static void thingm_remove_rgb(struct thingm_rgb *rgb)
led_classdev_unregister(&rgb->red.ldev);
led_classdev_unregister(&rgb->green.ldev);
led_classdev_unregister(&rgb->blue.ldev);
flush_work(&rgb->work);
}
static int thingm_probe(struct hid_device *hdev, const struct hid_device_id *id)