bh1770glc.h 1.2 KB

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  1. /* SPDX-License-Identifier: GPL-2.0-only */
  2. /*
  3. * This file is part of the ROHM BH1770GLC / OSRAM SFH7770 sensor driver.
  4. * Chip is combined proximity and ambient light sensor.
  5. *
  6. * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  7. *
  8. * Contact: Samu Onkalo <[email protected]>
  9. */
  10. #ifndef __BH1770_H__
  11. #define __BH1770_H__
  12. /**
  13. * struct bh1770_platform_data - platform data for bh1770glc driver
  14. * @led_def_curr: IR led driving current.
  15. * @glass_attenuation: Attenuation factor for covering window.
  16. * @setup_resources: Call back for interrupt line setup function
  17. * @release_resources: Call back for interrupte line release function
  18. *
  19. * Example of glass attenuation: 16384 * 385 / 100 means attenuation factor
  20. * of 3.85. i.e. light_above_sensor = light_above_cover_window / 3.85
  21. */
  22. struct bh1770_platform_data {
  23. #define BH1770_LED_5mA 0
  24. #define BH1770_LED_10mA 1
  25. #define BH1770_LED_20mA 2
  26. #define BH1770_LED_50mA 3
  27. #define BH1770_LED_100mA 4
  28. #define BH1770_LED_150mA 5
  29. #define BH1770_LED_200mA 6
  30. __u8 led_def_curr;
  31. #define BH1770_NEUTRAL_GA 16384 /* 16384 / 16384 = 1 */
  32. __u32 glass_attenuation;
  33. int (*setup_resources)(void);
  34. int (*release_resources)(void);
  35. };
  36. #endif