s5h1420.h 1.5 KB

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  1. /*
  2. Driver for S5H1420 QPSK Demodulators
  3. Copyright (C) 2005 Andrew de Quincey <adq_dvb@lidskialf.net>
  4. This program is free software; you can redistribute it and/or modify
  5. it under the terms of the GNU General Public License as published by
  6. the Free Software Foundation; either version 2 of the License, or
  7. (at your option) any later version.
  8. This program is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11. GNU General Public License for more details.
  12. You should have received a copy of the GNU General Public License
  13. along with this program; if not, write to the Free Software
  14. Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  15. */
  16. #ifndef S5H1420_H
  17. #define S5H1420_H
  18. #include <linux/dvb/frontend.h>
  19. struct s5h1420_config
  20. {
  21. /* the demodulator's i2c address */
  22. u8 demod_address;
  23. /* does the inversion require inversion? */
  24. u8 invert:1;
  25. };
  26. #if defined(CONFIG_DVB_S5H1420) || (defined(CONFIG_DVB_S5H1420_MODULE) && defined(MODULE))
  27. extern struct dvb_frontend* s5h1420_attach(const struct s5h1420_config* config,
  28. struct i2c_adapter* i2c);
  29. #else
  30. static inline struct dvb_frontend* s5h1420_attach(const struct s5h1420_config* config,
  31. struct i2c_adapter* i2c)
  32. {
  33. printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
  34. return NULL;
  35. }
  36. #endif // CONFIG_DVB_S5H1420
  37. #endif // S5H1420_H