LXR linux/drivers/media/tuners/tuner-simple.h

   1/*
   2    This program is free software; you can redistribute it and/or modify
   3    it under the terms of the GNU General Public License as published by
   4    the Free Software Foundation; either version 2 of the License, or
   5    (at your option) any later version.
   6
   7    This program is distributed in the hope that it will be useful,
   8    but WITHOUT ANY WARRANTY; without even the implied warranty of
   9    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10    GNU General Public License for more details.
  11
  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
  17#ifndef __TUNER_SIMPLE_H__
  18#define __TUNER_SIMPLE_H__
  19
  20#include <linux/i2c.h>
  21#include <media/dvb_frontend.h>
  22
  23#if IS_REACHABLE(CONFIG_MEDIA_TUNER_SIMPLE)
  24extern struct dvb_frontend *simple_tuner_attach(struct dvb_frontend *fe,
  25                                                struct i2c_adapter *i2c_adap,
  26                                                u8 i2c_addr,
  27                                                unsigned int type);
  28#else
  29static inline struct dvb_frontend *simple_tuner_attach(struct dvb_frontend *fe,
  30                                                       struct i2c_adapter *i2c_adap,
  31                                                       u8 i2c_addr,
  32                                                       unsigned int type)
  33{
  34        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  35        return NULL;
  36}
  37#endif
  38
  39#endif /* __TUNER_SIMPLE_H__ */
  40