From e0bbe7b9acc9cdcaa39611fe3d05ed8c1eede7c6 Mon Sep 17 00:00:00 2001
From: "Milo(Woogyom) Kim" <milo.kim@ti.com>
Date: Tue, 5 Feb 2013 19:20:01 +0900
Subject: [PATCH] --- yaml --- r: 358615 b: refs/heads/master c:
 240085e255cd2818aff2ccde3066b7db1f29076a h: refs/heads/master i:   358613:
 5b3186afdc79ccc2cc70615c7d776a7bae27eba1   358611:
 f75accfbab007ab95642304f54dea6e1687ad10c   358607:
 57df2edb77b663ceb0a6f6c3daf16b2edf543a61 v: v3

---
 [refs]                                  |  2 +-
 trunk/drivers/leds/leds-lp55xx-common.c | 13 ++++++++++++-
 trunk/drivers/leds/leds-lp55xx-common.h |  4 ++++
 3 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index bde43668cddb..6d4f961afd84 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: db6eaf8388a413a5ee1b4547ce78506b9c6456b0
+refs/heads/master: 240085e255cd2818aff2ccde3066b7db1f29076a
diff --git a/trunk/drivers/leds/leds-lp55xx-common.c b/trunk/drivers/leds/leds-lp55xx-common.c
index 578902ab604f..9638ad4dc635 100644
--- a/trunk/drivers/leds/leds-lp55xx-common.c
+++ b/trunk/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/trunk/drivers/leds/leds-lp55xx-common.h b/trunk/drivers/leds/leds-lp55xx-common.h
index 8473abf9830c..64eb78da1c4b 100644
--- a/trunk/drivers/leds/leds-lp55xx-common.h
+++ b/trunk/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;
 };
 
 /*