2 files changed, 16 insertions, 1 deletions

diff --git a/drivers/leds/leds-lp55xx-common.c b/drivers/leds/leds-lp55xx-common.c
index 578902ab604f..9638ad4dc635 100644
--- a/drivers/leds/leds-lp55xx-common.c
+++ b/drivers/leds/leds-lp55xx-common.c
@@ -493,8 +493,19 @@ EXPORT_SYMBOL_GPL(lp55xx_unregister_leds);
 int lp55xx_register_sysfs(struct lp55xx_chip *chip)
 {
         struct device *dev = &chip->cl->dev;
+        struct lp55xx_device_config *cfg = chip->cfg;
+        int ret;
+
+        if (!cfg->run_engine || !cfg->firmware_cb)
+                goto dev_specific_attrs;
+
+        ret = sysfs_create_group(&dev->kobj, &lp55xx_engine_attr_group);
+        if (ret)
+                return ret;
 
-        return sysfs_create_group(&dev->kobj, &lp55xx_engine_attr_group);
+dev_specific_attrs:
+        return cfg->dev_attr_group ?
+                sysfs_create_group(&dev->kobj, cfg->dev_attr_group) : 0;
 }
 EXPORT_SYMBOL_GPL(lp55xx_register_sysfs);
 
diff --git a/drivers/leds/leds-lp55xx-common.h b/drivers/leds/leds-lp55xx-common.h
index 8473abf9830c..64eb78da1c4b 100644
--- a/drivers/leds/leds-lp55xx-common.h
+++ b/drivers/leds/leds-lp55xx-common.h
@@ -45,6 +45,7 @@ struct lp55xx_reg {
  * @set_led_current    : LED current set function
  * @firmware_cb        : Call function when the firmware is loaded
  * @run_engine         : Run internal engine for pattern
+ * @dev_attr_group     : Device specific attributes
  */
 struct lp55xx_device_config {
         const struct lp55xx_reg reset;
@@ -65,6 +66,9 @@ struct lp55xx_device_config {
 
         /* used for running firmware LED patterns */
         void (*run_engine) (struct lp55xx_chip *chip, bool start);
+
+        /* additional device specific attributes */
+        const struct attribute_group *dev_attr_group;
 };
 
 /*