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path: root/drivers/leds/leds-lp55xx-common.c
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Diffstat (limited to 'drivers/leds/leds-lp55xx-common.c')
-rw-r--r--drivers/leds/leds-lp55xx-common.c13
1 files changed, 12 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);