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HID: thingm: switch to managed version of led_classdev_register 

Simplify the code by switching to the managed version of
led_classdev_register.

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 21:38:26 +01:00 committed by Jiri Kosina
parent 3de68ce92b
commit c46fab2870
1 changed files with 8 additions and 38 deletions
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46
drivers/hid/hid-thingm.c
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@ -159,7 +159,8 @@ static int thingm_init_rgb(struct thingm_rgb *rgb)
rgb->red.ldev.brightness_set_blocking = thingm_led_set;
rgb->red.rgb = rgb;
err = led_classdev_register(&rgb->tdev->hdev->dev, &rgb->red.ldev);
err = devm_led_classdev_register(&rgb->tdev->hdev->dev,
&rgb->red.ldev);
if (err)
return err;
@ -171,9 +172,10 @@ static int thingm_init_rgb(struct thingm_rgb *rgb)
rgb->green.ldev.brightness_set_blocking = thingm_led_set;
rgb->green.rgb = rgb;
err = led_classdev_register(&rgb->tdev->hdev->dev, &rgb->green.ldev);
err = devm_led_classdev_register(&rgb->tdev->hdev->dev,
&rgb->green.ldev);
if (err)
goto unregister_red;
return err;
/* Register the blue diode */
snprintf(rgb->blue.name, sizeof(rgb->blue.name),
@ -183,28 +185,11 @@ static int thingm_init_rgb(struct thingm_rgb *rgb)
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;
return 0;
unregister_green:
led_classdev_unregister(&rgb->green.ldev);
unregister_red:
led_classdev_unregister(&rgb->red.ldev);
err = devm_led_classdev_register(&rgb->tdev->hdev->dev,
&rgb->blue.ldev);
return err;
}
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);
}
static int thingm_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
struct thingm_device *tdev;
@ -259,11 +244,8 @@ static int thingm_probe(struct hid_device *hdev, const struct hid_device_id *id)
rgb->tdev = tdev;
rgb->num = tdev->fwinfo->first + i;
err = thingm_init_rgb(rgb);
if (err) {
while (--i >= 0)
thingm_remove_rgb(tdev->rgb + i);
if (err)
goto stop;
}
}
return 0;
@ -273,17 +255,6 @@ error:
return err;
}
static void thingm_remove(struct hid_device *hdev)
{
struct thingm_device *tdev = hid_get_drvdata(hdev);
int i;
hid_hw_stop(hdev);
for (i = 0; i < tdev->fwinfo->numrgb; ++i)
thingm_remove_rgb(tdev->rgb + i);
}
static const struct hid_device_id thingm_table[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
{ }
@ -293,7 +264,6 @@ MODULE_DEVICE_TABLE(hid, thingm_table);
static struct hid_driver thingm_driver = {
.name = "thingm",
.probe = thingm_probe,
.remove = thingm_remove,
.id_table = thingm_table,
};