governor_powersave.c 711 B

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  1. /*
  2. * linux/drivers/devfreq/governor_powersave.c
  3. *
  4. * Copyright (C) 2011 Samsung Electronics
  5. * MyungJoo Ham <myungjoo.ham@samsung.com>
  6. *
  7. * This program is free software; you can redistribute it and/or modify
  8. * it under the terms of the GNU General Public License version 2 as
  9. * published by the Free Software Foundation.
  10. */
  11. #include <linux/devfreq.h>
  12. static int devfreq_powersave_func(struct devfreq *df,
  13. unsigned long *freq)
  14. {
  15. /*
  16. * target callback should be able to get ceiling value as
  17. * said in devfreq.h
  18. */
  19. *freq = 0;
  20. return 0;
  21. }
  22. const struct devfreq_governor devfreq_powersave = {
  23. .name = "powersave",
  24. .get_target_freq = devfreq_powersave_func,
  25. .no_central_polling = true,
  26. };