ec100.h 1.3 KB

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  1. /*
  2. * E3C EC100 demodulator driver
  3. *
  4. * Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
  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. * GNU General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU General Public License
  17. * along with this program; if not, write to the Free Software
  18. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19. *
  20. */
  21. #ifndef EC100_H
  22. #define EC100_H
  23. #include <linux/kconfig.h>
  24. #include <linux/dvb/frontend.h>
  25. struct ec100_config {
  26. /* demodulator's I2C address */
  27. u8 demod_address;
  28. };
  29. #if IS_REACHABLE(CONFIG_DVB_EC100)
  30. extern struct dvb_frontend *ec100_attach(const struct ec100_config *config,
  31. struct i2c_adapter *i2c);
  32. #else
  33. static inline struct dvb_frontend *ec100_attach(
  34. const struct ec100_config *config, struct i2c_adapter *i2c)
  35. {
  36. pr_warn("%s: driver disabled by Kconfig\n", __func__);
  37. return NULL;
  38. }
  39. #endif
  40. #endif /* EC100_H */