diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/leds/leds-lp55xx-common.c | 16 | ||||
| -rw-r--r-- | drivers/leds/leds-lp55xx-common.h | 4 |
2 files changed, 20 insertions, 0 deletions
diff --git a/drivers/leds/leds-lp55xx-common.c b/drivers/leds/leds-lp55xx-common.c index cd19027895e5..98407ca45e4f 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 32d96828cbc6..d0be837643f0 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 */ |