drivers/misc/twl4030_led.c

   1 /*
   2  * Copyright (c) 2009 Wind River Systems, Inc.
   3  * Tom Rix <Tom.Rix at windriver.com>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  *
   7  * twl4030_led_init is from cpu/omap3/common.c, power_init_r
   8  *
   9  * (C) Copyright 2004-2008
  10  * Texas Instruments, <www.ti.com>
  11  *
  12  * Author :
  13  *      Sunil Kumar <sunilsaini05 at gmail.com>
  14  *      Shashi Ranjan <shashiranjanmca05 at gmail.com>
  15  *
  16  * Derived from Beagle Board and 3430 SDP code by
  17  *      Richard Woodruff <r-woodruff2 at ti.com>
  18  *      Syed Mohammed Khasim <khasim at ti.com>
  19  */
  20
  21 #include <twl4030.h>
  22
  23 void twl4030_led_init(unsigned char ledon_mask)
  24 {
  25         /* LEDs need to have corresponding PWMs enabled */
  26         if (ledon_mask & TWL4030_LED_LEDEN_LEDAON)
  27                 ledon_mask |= TWL4030_LED_LEDEN_LEDAPWM;
  28         if (ledon_mask & TWL4030_LED_LEDEN_LEDBON)
  29                 ledon_mask |= TWL4030_LED_LEDEN_LEDBPWM;
  30
  31         twl4030_i2c_write_u8(TWL4030_CHIP_LED, TWL4030_LED_LEDEN,
  32                              ledon_mask);
  33
  34 }