2 * LP55XX Common Driver Header
4 * Copyright (C) 2012 Texas Instruments
6 * Author: Milo(Woogyom) Kim <milo.kim@ti.com>
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * version 2 as published by the Free Software Foundation.
12 * Derived from leds-lp5521.c, leds-lp5523.c
15 #ifndef _LEDS_LP55XX_COMMON_H
16 #define _LEDS_LP55XX_COMMON_H
23 * @cl : I2C communication for access registers
24 * @pdata : Platform specific data
25 * @lock : Lock for user-space interface
26 * @num_leds : Number of registered LEDs
29 struct i2c_client *cl;
30 struct lp55xx_platform_data *pdata;
31 struct mutex lock; /* lock for user-space interface */
37 * @chan_nr : Channel number
38 * @cdev : LED class device
39 * @led_current : Current setting at each led channel
40 * @max_current : Maximun current at each led channel
41 * @brightness_work : Workqueue for brightness control
42 * @brightness : Brightness value
43 * @chip : The lp55xx chip data
47 struct led_classdev cdev;
50 struct work_struct brightness_work;
52 struct lp55xx_chip *chip;
56 extern int lp55xx_write(struct lp55xx_chip *chip, u8 reg, u8 val);
57 extern int lp55xx_read(struct lp55xx_chip *chip, u8 reg, u8 *val);
58 extern int lp55xx_update_bits(struct lp55xx_chip *chip, u8 reg,
61 #endif /* _LEDS_LP55XX_COMMON_H */