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-rw-r--r--drivers/video/backlight/ktd253-backlight.c12
1 files changed, 3 insertions, 9 deletions
diff --git a/drivers/video/backlight/ktd253-backlight.c b/drivers/video/backlight/ktd253-backlight.c
index e3fee3f1f582..d7b287cffd5c 100644
--- a/drivers/video/backlight/ktd253-backlight.c
+++ b/drivers/video/backlight/ktd253-backlight.c
@@ -137,15 +137,7 @@ static int ktd253_backlight_probe(struct platform_device *pdev)
brightness = max_brightness;
}
- if (brightness)
- /* This will be the default ratio when the KTD253 is enabled */
- ktd253->ratio = KTD253_MAX_RATIO;
- else
- ktd253->ratio = 0;
-
- ktd253->gpiod = devm_gpiod_get(dev, "enable",
- brightness ? GPIOD_OUT_HIGH :
- GPIOD_OUT_LOW);
+ ktd253->gpiod = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW);
if (IS_ERR(ktd253->gpiod)) {
ret = PTR_ERR(ktd253->gpiod);
if (ret != -EPROBE_DEFER)
@@ -153,6 +145,8 @@ static int ktd253_backlight_probe(struct platform_device *pdev)
return ret;
}
gpiod_set_consumer_name(ktd253->gpiod, dev_name(dev));
+ /* Bring backlight to a known off state */
+ msleep(KTD253_T_OFF_MS);
bl = devm_backlight_device_register(dev, dev_name(dev), dev, ktd253,
&ktd253_backlight_ops, NULL);