cx22700.h 1.4 KB

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  1. /*
  2. Conexant CX22700 DVB OFDM demodulator driver
  3. Copyright (C) 2001-2002 Convergence Integrated Media GmbH
  4. Holger Waechtler <holger@convergence.de>
  5. This program is free software; you can redistribute it and/or modify
  6. it under the terms of the GNU General Public License as published by
  7. the Free Software Foundation; either version 2 of the License, or
  8. (at your option) any later version.
  9. This program is distributed in the hope that it will be useful,
  10. but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. GNU General Public License for more details.
  13. You should have received a copy of the GNU General Public License
  14. along with this program; if not, write to the Free Software
  15. Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  16. */
  17. #ifndef CX22700_H
  18. #define CX22700_H
  19. #include <linux/dvb/frontend.h>
  20. struct cx22700_config
  21. {
  22. /* the demodulator's i2c address */
  23. u8 demod_address;
  24. };
  25. #if IS_REACHABLE(CONFIG_DVB_CX22700)
  26. extern struct dvb_frontend* cx22700_attach(const struct cx22700_config* config,
  27. struct i2c_adapter* i2c);
  28. #else
  29. static inline struct dvb_frontend* cx22700_attach(const struct cx22700_config* config,
  30. struct i2c_adapter* i2c)
  31. {
  32. printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  33. return NULL;
  34. }
  35. #endif // CONFIG_DVB_CX22700
  36. #endif // CX22700_H