lgdt3304.h 1.4 KB

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  1. /*
  2. * Driver for DVB-T lgdt3304 demodulator
  3. *
  4. * Copyright (C) 2008 Markus Rechberger <mrechberger@gmail.com>
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License as published by
  8. * the Free Software Foundation; either version 2 of the License, or
  9. * (at your option) any later version.
  10. *
  11. * This program is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. *
  15. * GNU General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU General Public License
  18. * along with this program; if not, write to the Free Software
  19. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.=
  20. */
  21. #ifndef LGDT3304_H
  22. #define LGDT3304_H
  23. #include <linux/dvb/frontend.h>
  24. struct lgdt3304_config
  25. {
  26. /* demodulator's I2C address */
  27. u8 i2c_address;
  28. };
  29. #if defined(CONFIG_DVB_LGDT3304) || (defined(CONFIG_DVB_LGDT3304_MODULE) && defined(MODULE))
  30. extern struct dvb_frontend* lgdt3304_attach(const struct lgdt3304_config *config,
  31. struct i2c_adapter *i2c);
  32. #else
  33. static inline struct dvb_frontend* lgdt3304_attach(const struct lgdt3304_config *config,
  34. struct i2c_adapter *i2c)
  35. {
  36. printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  37. return NULL;
  38. }
  39. #endif /* CONFIG_DVB_LGDT */
  40. #endif /* LGDT3304_H */