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leds-lp55xx: add new function for removing device attribtues 

lp55xx_unregister_sysfs() is used for removing lp55xx device attributes.
 Chip specific and engine attributes are removed on unloading the driver.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
This commit is contained in:
Milo(Woogyom) Kim 2013-02-05 19:23:04 +09:00 committed by Bryan Wu
parent 9ca3bd8022
commit ba6fa84651
2 changed files with 13 additions and 0 deletions
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12
drivers/leds/leds-lp55xx-common.c
View File

@ -509,6 +509,18 @@ dev_specific_attrs:
}
EXPORT_SYMBOL_GPL(lp55xx_register_sysfs);
void lp55xx_unregister_sysfs(struct lp55xx_chip *chip)
{
struct device *dev = &chip->cl->dev;
struct lp55xx_device_config *cfg = chip->cfg;
if (cfg->dev_attr_group)
sysfs_remove_group(&dev->kobj, cfg->dev_attr_group);
sysfs_remove_group(&dev->kobj, &lp55xx_engine_attr_group);
}
EXPORT_SYMBOL_GPL(lp55xx_unregister_sysfs);
MODULE_AUTHOR("Milo Kim <milo.kim@ti.com>");
MODULE_DESCRIPTION("LP55xx Common Driver");
MODULE_LICENSE("GPL");

1
drivers/leds/leds-lp55xx-common.h
View File

@ -129,5 +129,6 @@ extern void lp55xx_unregister_leds(struct lp55xx_led *led,
/* common device attributes functions */
extern int lp55xx_register_sysfs(struct lp55xx_chip *chip);
extern void lp55xx_unregister_sysfs(struct lp55xx_chip *chip);
#endif /* _LEDS_LP55XX_COMMON_H */