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-rw-r--r--drivers/leds/leds-lp55xx-common.c16
-rw-r--r--drivers/leds/leds-lp55xx-common.h4
2 files changed, 20 insertions, 0 deletions
diff --git a/drivers/leds/leds-lp55xx-common.c b/drivers/leds/leds-lp55xx-common.c
index cd19027..98407ca 100644
--- a/drivers/leds/leds-lp55xx-common.c
+++ b/drivers/leds/leds-lp55xx-common.c
@@ -197,6 +197,14 @@ static int lp55xx_init_led(struct lp55xx_led *led,
return 0;
}
+static struct attribute *lp55xx_engine_attributes[] = {
+ NULL,
+};
+
+static const struct attribute_group lp55xx_engine_attr_group = {
+ .attrs = lp55xx_engine_attributes,
+};
+
int lp55xx_write(struct lp55xx_chip *chip, u8 reg, u8 val)
{
return i2c_smbus_write_byte_data(chip->cl, reg, val);
@@ -365,6 +373,14 @@ void lp55xx_unregister_leds(struct lp55xx_led *led, struct lp55xx_chip *chip)
}
EXPORT_SYMBOL_GPL(lp55xx_unregister_leds);
+int lp55xx_register_sysfs(struct lp55xx_chip *chip)
+{
+ struct device *dev = &chip->cl->dev;
+
+ return sysfs_create_group(&dev->kobj, &lp55xx_engine_attr_group);
+}
+EXPORT_SYMBOL_GPL(lp55xx_register_sysfs);
+
MODULE_AUTHOR("Milo Kim <milo.kim@ti.com>");
MODULE_DESCRIPTION("LP55xx Common Driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/leds/leds-lp55xx-common.h b/drivers/leds/leds-lp55xx-common.h
index 32d9682..d0be837 100644
--- a/drivers/leds/leds-lp55xx-common.h
+++ b/drivers/leds/leds-lp55xx-common.h
@@ -103,4 +103,8 @@ extern int lp55xx_register_leds(struct lp55xx_led *led,
struct lp55xx_chip *chip);
extern void lp55xx_unregister_leds(struct lp55xx_led *led,
struct lp55xx_chip *chip);
+
+/* common device attributes functions */
+extern int lp55xx_register_sysfs(struct lp55xx_chip *chip);
+
#endif /* _LEDS_LP55XX_COMMON_H */