Edit File: bh1770glc.h
/* * This file is part of the ROHM BH1770GLC / OSRAM SFH7770 sensor driver. * Chip is combined proximity and ambient light sensor. * * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). * * Contact: Samu Onkalo <samu.p.onkalo@nokia.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA * */ #ifndef __BH1770_H__ #define __BH1770_H__ /** * struct bh1770_platform_data - platform data for bh1770glc driver * @led_def_curr: IR led driving current. * @glass_attenuation: Attenuation factor for covering window. * @setup_resources: Call back for interrupt line setup function * @release_resources: Call back for interrupte line release function * * Example of glass attenuation: 16384 * 385 / 100 means attenuation factor * of 3.85. i.e. light_above_sensor = light_above_cover_window / 3.85 */ struct bh1770_platform_data { #define BH1770_LED_5mA 0 #define BH1770_LED_10mA 1 #define BH1770_LED_20mA 2 #define BH1770_LED_50mA 3 #define BH1770_LED_100mA 4 #define BH1770_LED_150mA 5 #define BH1770_LED_200mA 6 __u8 led_def_curr; #define BH1770_NEUTRAL_GA 16384 /* 16384 / 16384 = 1 */ __u32 glass_attenuation; int (*setup_resources)(void); int (*release_resources)(void); }; #endif