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-rw-r--r--drivers/leds/leds-aw2013.c1
-rw-r--r--drivers/leds/leds-sgm3140.c3
-rw-r--r--drivers/leds/trigger/ledtrig-panic.c5
3 files changed, 8 insertions, 1 deletions
diff --git a/drivers/leds/leds-aw2013.c b/drivers/leds/leds-aw2013.c
index 80d937454..f7d9795ce 100644
--- a/drivers/leds/leds-aw2013.c
+++ b/drivers/leds/leds-aw2013.c
@@ -397,6 +397,7 @@ error_reg:
regulator_disable(chip->vcc_regulator);
error:
+ mutex_unlock(&chip->mutex);
mutex_destroy(&chip->mutex);
return ret;
}
diff --git a/drivers/leds/leds-sgm3140.c b/drivers/leds/leds-sgm3140.c
index f4f831570..e72017b11 100644
--- a/drivers/leds/leds-sgm3140.c
+++ b/drivers/leds/leds-sgm3140.c
@@ -114,8 +114,11 @@ static int sgm3140_brightness_set(struct led_classdev *led_cdev,
"failed to enable regulator: %d\n", ret);
return ret;
}
+ gpiod_set_value_cansleep(priv->flash_gpio, 0);
gpiod_set_value_cansleep(priv->enable_gpio, 1);
} else {
+ del_timer_sync(&priv->powerdown_timer);
+ gpiod_set_value_cansleep(priv->flash_gpio, 0);
gpiod_set_value_cansleep(priv->enable_gpio, 0);
ret = regulator_disable(priv->vin_regulator);
if (ret) {
diff --git a/drivers/leds/trigger/ledtrig-panic.c b/drivers/leds/trigger/ledtrig-panic.c
index 5751cd032..4bf232465 100644
--- a/drivers/leds/trigger/ledtrig-panic.c
+++ b/drivers/leds/trigger/ledtrig-panic.c
@@ -63,10 +63,13 @@ static long led_panic_blink(int state)
static int __init ledtrig_panic_init(void)
{
+ led_trigger_register_simple("panic", &trigger);
+ if (!trigger)
+ return -ENOMEM;
+
atomic_notifier_chain_register(&panic_notifier_list,
&led_trigger_panic_nb);
- led_trigger_register_simple("panic", &trigger);
panic_blink = led_panic_blink;
return 0;
}