twl4030_led.c 1.5 KB

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  1. /*
  2. * Copyright (c) 2009 Wind River Systems, Inc.
  3. * Tom Rix <Tom.Rix at windriver.com>
  4. *
  5. * This program is free software; you can redistribute it and/or
  6. * modify it under the terms of the GNU General Public License as
  7. * published by the Free Software Foundation; either version 2 of
  8. * the License, or (at your option) any later version.
  9. *
  10. * This program is distributed in the hope that it will be useful,
  11. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13. * GNU General Public License for more details.
  14. *
  15. * You should have received a copy of the GNU General Public License
  16. * along with this program; if not, write to the Free Software
  17. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  18. * MA 02111-1307 USA
  19. *
  20. * twl4030_led_init is from cpu/omap3/common.c, power_init_r
  21. *
  22. * (C) Copyright 2004-2008
  23. * Texas Instruments, <www.ti.com>
  24. *
  25. * Author :
  26. * Sunil Kumar <sunilsaini05 at gmail.com>
  27. * Shashi Ranjan <shashiranjanmca05 at gmail.com>
  28. *
  29. * Derived from Beagle Board and 3430 SDP code by
  30. * Richard Woodruff <r-woodruff2 at ti.com>
  31. * Syed Mohammed Khasim <khasim at ti.com>
  32. *
  33. */
  34. #include <twl4030.h>
  35. void twl4030_led_init(unsigned char ledon_mask)
  36. {
  37. /* LEDs need to have corresponding PWMs enabled */
  38. if (ledon_mask & TWL4030_LED_LEDEN_LEDAON)
  39. ledon_mask |= TWL4030_LED_LEDEN_LEDAPWM;
  40. if (ledon_mask & TWL4030_LED_LEDEN_LEDBON)
  41. ledon_mask |= TWL4030_LED_LEDEN_LEDBPWM;
  42. twl4030_i2c_write_u8(TWL4030_CHIP_LED, ledon_mask,
  43. TWL4030_LED_LEDEN);
  44. }