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authorHeiner Kallweit <hkallweit1@gmail.com>2024-01-31 15:33:08 +0100
committerLee Jones <lee@kernel.org>2024-03-07 09:48:05 +0100
commit9225333e480831cec3884977eaff05fcf0ea9700 (patch)
treee7f48b53a7ab24833a6d13d34c656f3beb4217f0 /drivers/leds/led-triggers.c
parentleds: trigger: Stop exporting trigger_list (diff)
downloadlinux-9225333e480831cec3884977eaff05fcf0ea9700.tar.xz
linux-9225333e480831cec3884977eaff05fcf0ea9700.zip
leds: triggers: Add helper led_match_default_trigger
Avoid code duplication and factor out common functionality to new helper led_match_default_trigger(). Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Link: https://lore.kernel.org/r/d78eef6f-c18c-4546-b83e-6d1890849154@gmail.com Signed-off-by: Lee Jones <lee@kernel.org>
Diffstat (limited to 'drivers/leds/led-triggers.c')
-rw-r--r--drivers/leds/led-triggers.c29
1 files changed, 17 insertions, 12 deletions
diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c
index 371000770d75..0f5ac30053ad 100644
--- a/drivers/leds/led-triggers.c
+++ b/drivers/leds/led-triggers.c
@@ -247,6 +247,19 @@ void led_trigger_remove(struct led_classdev *led_cdev)
}
EXPORT_SYMBOL_GPL(led_trigger_remove);
+static bool led_match_default_trigger(struct led_classdev *led_cdev,
+ struct led_trigger *trig)
+{
+ if (!strcmp(led_cdev->default_trigger, trig->name) &&
+ trigger_relevant(led_cdev, trig)) {
+ led_cdev->flags |= LED_INIT_DEFAULT_TRIGGER;
+ led_trigger_set(led_cdev, trig);
+ return true;
+ }
+
+ return false;
+}
+
void led_trigger_set_default(struct led_classdev *led_cdev)
{
struct led_trigger *trig;
@@ -258,13 +271,9 @@ void led_trigger_set_default(struct led_classdev *led_cdev)
down_read(&triggers_list_lock);
down_write(&led_cdev->trigger_lock);
list_for_each_entry(trig, &trigger_list, next_trig) {
- if (!strcmp(led_cdev->default_trigger, trig->name) &&
- trigger_relevant(led_cdev, trig)) {
- found = true;
- led_cdev->flags |= LED_INIT_DEFAULT_TRIGGER;
- led_trigger_set(led_cdev, trig);
+ found = led_match_default_trigger(led_cdev, trig);
+ if (found)
break;
- }
}
up_write(&led_cdev->trigger_lock);
up_read(&triggers_list_lock);
@@ -306,12 +315,8 @@ int led_trigger_register(struct led_trigger *trig)
down_read(&leds_list_lock);
list_for_each_entry(led_cdev, &leds_list, node) {
down_write(&led_cdev->trigger_lock);
- if (!led_cdev->trigger && led_cdev->default_trigger &&
- !strcmp(led_cdev->default_trigger, trig->name) &&
- trigger_relevant(led_cdev, trig)) {
- led_cdev->flags |= LED_INIT_DEFAULT_TRIGGER;
- led_trigger_set(led_cdev, trig);
- }
+ if (!led_cdev->trigger && led_cdev->default_trigger)
+ led_match_default_trigger(led_cdev, trig);
up_write(&led_cdev->trigger_lock);
}
up_read(&leds_list_lock);