1 /* 2 * LP5523 LED 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_LP5523_H 24 #define __LINUX_LP5523_H 25 26 /* See Documentation/leds/leds-lp5523.txt */ 27 28 struct lp5523_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 LP5523_CLOCK_AUTO 0 35 #define LP5523_CLOCK_INT 1 36 #define LP5523_CLOCK_EXT 2 37 38 struct lp5523_platform_data { 39 struct lp5523_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_LP5523_H */ 49