40 #define LP55XX_DEV_ATTR_ENGINE_MODE(nr)					\  argument
41 static ssize_t show_engine##nr##_mode(struct device *dev,		\
45 	return lp55xx_show_engine_mode(dev, attr, buf, nr);		\
47 static ssize_t store_engine##nr##_mode(struct device *dev,		\
51 	return lp55xx_store_engine_mode(dev, attr, buf, len, nr);	\
53 static LP55XX_DEV_ATTR_RW(engine##nr##_mode, show_engine##nr##_mode,	\
54 			  store_engine##nr##_mode)
56 #define LP55XX_DEV_ATTR_ENGINE_LEDS(nr)					\  argument
57 static ssize_t show_engine##nr##_leds(struct device *dev,		\
61 	return lp55xx_show_engine_leds(dev, attr, buf, nr);		\
63 static ssize_t store_engine##nr##_leds(struct device *dev,		\
67 	return lp55xx_store_engine_leds(dev, attr, buf, len, nr);	\
69 static LP55XX_DEV_ATTR_RW(engine##nr##_leds, show_engine##nr##_leds,	\
70 			  store_engine##nr##_leds)
72 #define LP55XX_DEV_ATTR_ENGINE_LOAD(nr)					\  argument
73 static ssize_t store_engine##nr##_load(struct device *dev,		\
77 	return lp55xx_store_engine_load(dev, attr, buf, len, nr);	\
79 static LP55XX_DEV_ATTR_WO(engine##nr##_load, store_engine##nr##_load)
81 #define LP55XX_DEV_ATTR_MASTER_FADER(nr)				\  argument
82 static ssize_t show_master_fader##nr(struct device *dev,		\
86 	return lp55xx_show_master_fader(dev, attr, buf, nr);		\
88 static ssize_t store_master_fader##nr(struct device *dev,		\
92 	return lp55xx_store_master_fader(dev, attr, buf, len, nr);	\
94 static LP55XX_DEV_ATTR_RW(master_fader##nr, show_master_fader##nr,	\
95 			  store_master_fader##nr)
255 				       char *buf, int nr);
258 					const char *buf, size_t len, int nr);
261 					const char *buf, size_t len, int nr);
264 				       char *buf, int nr);
267 					const char *buf, size_t len, int nr);
270 					char *buf, int nr);
273 					 const char *buf, size_t len, int nr);