leds-lp55xx: clean up unused data and functions

 Old data structures and I2C function are not used any more.
 Each driver uses the lp55xx common data and functions.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>

drivers/leds/leds-lp5521.c

@@ -125,25 +125,6 @@
 #define LP5521_RUN_G			0x08
 #define LP5521_RUN_B			0x02
 
-struct lp5521_led {
-	int			id;
-	u8			chan_nr;
-	u8			led_current;
-	u8			max_current;
-	struct led_classdev	cdev;
-	struct work_struct	brightness_work;
-	u8			brightness;
-};
-
-struct lp5521_chip {
-	struct lp5521_platform_data *pdata;
-	struct mutex		lock; /* Serialize control */
-	struct i2c_client	*client;
-	struct lp5521_led	leds[LP5521_MAX_LEDS];
-	u8			num_channels;
-	u8			num_leds;
-};
-
 static inline void lp5521_wait_opmode_done(void)
 {
 	/* operation mode change needs to be longer than 153 us */
@@ -163,11 +144,6 @@ static void lp5521_set_led_current(struct lp55xx_led *led, u8 led_current)
 		led_current);
 }
 
-static inline int lp5521_write(struct i2c_client *client, u8 reg, u8 value)
-{
-	return i2c_smbus_write_byte_data(client, reg, value);
-}
-
 static void lp5521_load_engine(struct lp55xx_chip *chip)
 {
 	enum lp55xx_engine_index idx = chip->engine_idx;
@@ -412,14 +388,6 @@ static ssize_t lp5521_selftest(struct device *dev,
 	return sprintf(buf, "%s\n", ret ? "FAIL" : "OK");
 }
 
-static inline struct lp5521_led_pattern *lp5521_get_pattern
-					(struct lp5521_chip *chip, u8 offset)
-{
-	struct lp5521_led_pattern *ptn;
-	ptn = chip->pdata->patterns + (offset - 1);
-	return ptn;
-}
-
 /* device attributes */
 static DEVICE_ATTR(selftest, S_IRUGO, lp5521_selftest, NULL);
 

drivers/leds/leds-lp5523.c

@@ -142,25 +142,6 @@ enum lp5523_chip_id {
 	LP55231,
 };
 
-struct lp5523_led {
-	int			id;
-	u8			chan_nr;
-	u8			led_current;
-	u8			max_current;
-	struct led_classdev     cdev;
-	struct work_struct	brightness_work;
-	u8			brightness;
-};
-
-struct lp5523_chip {
-	struct mutex		lock; /* Serialize control */
-	struct i2c_client	*client;
-	struct lp5523_led	leds[LP5523_MAX_LEDS];
-	struct lp5523_platform_data *pdata;
-	u8			num_channels;
-	u8			num_leds;
-};
-
 static inline void lp5523_wait_opmode_done(void)
 {
 	usleep_range(1000, 2000);