diff options
Diffstat (limited to 'drivers/video/backlight/led_bl.c')
| -rw-r--r-- | drivers/video/backlight/led_bl.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/video/backlight/led_bl.c b/drivers/video/backlight/led_bl.c index efc5e380669a..f7ab9b360731 100644 --- a/drivers/video/backlight/led_bl.c +++ b/drivers/video/backlight/led_bl.c @@ -211,6 +211,19 @@ static int led_bl_probe(struct platform_device *pdev) } for (i = 0; i < priv->nb_leds; i++) { + struct device_link *link; + + link = device_link_add(&pdev->dev, priv->leds[i]->dev->parent, + DL_FLAG_AUTOREMOVE_CONSUMER); + if (!link) { + dev_err(&pdev->dev, "Failed to add devlink (consumer %s, supplier %s)\n", + dev_name(&pdev->dev), dev_name(priv->leds[i]->dev->parent)); + backlight_device_unregister(priv->bl_dev); + return -EINVAL; + } + } + + for (i = 0; i < priv->nb_leds; i++) { mutex_lock(&priv->leds[i]->led_access); led_sysfs_disable(priv->leds[i]); mutex_unlock(&priv->leds[i]->led_access); |