LXR linux/include/linux/leds-lp5521.h

   1/*
   2 * LP5521 LED chip driver.
   3 *
   4 * Copyright (C) 2010 Nokia Corporation
   5 *
   6 * Contact: Samu Onkalo <samu.p.onkalo@nokia.com>
   7 *
   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.
  11 *
  12 * This program is distributed in the hope that it will be useful, but
  13 * WITHOUT ANY WARRANTY; without even the implied warranty of
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 * General Public License for more details.
  16 *
  17 * You should have received a copy of the GNU General Public License
  18 * along with this program; if not, write to the Free Software
  19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  20 * 02110-1301 USA
  21 */
  22
  23#ifndef __LINUX_LP5521_H
  24#define __LINUX_LP5521_H
  25
  26/* See Documentation/leds/leds-lp5521.txt */
  27
  28struct lp5521_led_config {
  29        u8              chan_nr;
  30        u8              led_current; /* mA x10, 0 if led is not connected */
  31        u8              max_current;
  32};
  33
  34#define LP5521_CLOCK_AUTO       0
  35#define LP5521_CLOCK_INT        1
  36#define LP5521_CLOCK_EXT        2
  37
  38struct lp5521_platform_data {
  39        struct lp5521_led_config *led_config;
  40        u8      num_channels;
  41        u8      clock_mode;
  42        int     (*setup_resources)(void);
  43        void    (*release_resources)(void);
  44        void    (*enable)(bool state);
  45        const char *label;
  46};
  47
  48#endif /* __LINUX_LP5521_H */
  49