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twl4030_led.c 1.53 KiB
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  • /*
     * Copyright (c) 2009 Wind River Systems, Inc.
     * Tom Rix <Tom.Rix at windriver.com>
     *
     * This program is free software; you can redistribute it and/or
     * modify it under the terms of the GNU General Public License as
     * published by the Free Software Foundation; either version 2 of
     * the License, or (at your option) any later version.
     *
     * 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., 59 Temple Place, Suite 330, Boston,
     * MA 02111-1307 USA
     *
     * twl4030_led_init is from cpu/omap3/common.c, power_init_r
     *
     * (C) Copyright 2004-2008
     * Texas Instruments, <www.ti.com>
     *
     * Author :
     *	Sunil Kumar <sunilsaini05 at gmail.com>
     *	Shashi Ranjan <shashiranjanmca05 at gmail.com>
     *
     * Derived from Beagle Board and 3430 SDP code by
     *	Richard Woodruff <r-woodruff2 at ti.com>
     *	Syed Mohammed Khasim <khasim at ti.com>
     *
     */
    
    #include <twl4030.h>
    
    
    void twl4030_led_init(unsigned char ledon_mask)
    
    	/* LEDs need to have corresponding PWMs enabled */
    	if (ledon_mask & TWL4030_LED_LEDEN_LEDAON)
    		ledon_mask |= TWL4030_LED_LEDEN_LEDAPWM;
    	if (ledon_mask & TWL4030_LED_LEDEN_LEDBON)
    		ledon_mask |= TWL4030_LED_LEDEN_LEDBPWM;
    
    	twl4030_i2c_write_u8(TWL4030_CHIP_LED, ledon_mask,
    
    			     TWL4030_LED_LEDEN);
    
    }