drivers/media/dvb/frontends/s5h1420.h

   1 /*
   2     Driver for S5H1420 QPSK Demodulators
   3
   4     Copyright (C) 2005 Andrew de Quincey <adq_dvb@lidskialf.net>
   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 */
  22
  23 #ifndef S5H1420_H
  24 #define S5H1420_H
  25
  26 #include <linux/dvb/frontend.h>
  27
  28 struct s5h1420_config
  29 {
  30         /* the demodulator's i2c address */
  31         u8 demod_address;
  32
  33         /* does the inversion require inversion? */
  34         u8 invert:1;
  35 };
  36
  37 #if defined(CONFIG_DVB_S5H1420) || (defined(CONFIG_DVB_S5H1420_MODULE) && defined(MODULE))
  38 extern struct dvb_frontend* s5h1420_attach(const struct s5h1420_config* config,
  39              struct i2c_adapter* i2c);
  40 #else
  41 static inline struct dvb_frontend* s5h1420_attach(const struct s5h1420_config* config,
  42                                            struct i2c_adapter* i2c)
  43 {
  44         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
  45         return NULL;
  46 }
  47 #endif // CONFIG_DVB_S5H1420
  48
  49 #endif // S5H1420_H