[PATCH] Enable backlight when trigger is activated
STALE2629d
From: Pavel Machek <hidden>
Date: 2019-07-18 19:08:54
Also in:
dri-devel, linux-arm-kernel, linux-leds, linux-omap, lkml
Subsystem:
led subsystem, the rest · Maintainers:
Lee Jones, Pavel Machek, Linus Torvalds
Configuring backlight trigger from dts results in backlight off during boot. Machine looks dead upon boot, which is not good. Fix that by enabling LED on trigger activation. Signed-off-by: Pavel Machek <redacted>
diff --git a/drivers/leds/trigger/ledtrig-backlight.c b/drivers/leds/trigger/ledtrig-backlight.c
index 487577d..6e6bc78 100644
--- a/drivers/leds/trigger/ledtrig-backlight.c
+++ b/drivers/leds/trigger/ledtrig-backlight.c@@ -114,6 +114,8 @@ static int bl_trig_activate(struct led_classdev *led) n->old_status = UNBLANK; n->notifier.notifier_call = fb_notifier_callback; + led_set_brightness(led, LED_ON); + ret = fb_register_client(&n->notifier); if (ret) dev_err(led->dev, "unable to register backlight trigger\n");
@@ -126,6 +128,7 @@ static void bl_trig_deactivate(struct led_classdev *led) struct bl_trig_notifier *n = led_get_trigger_data(led); fb_unregister_client(&n->notifier); + led_set_brightness(led, LED_OFF); kfree(n); }
--
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