LXR linux/drivers/media/tuners/tea5761.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 __TEA5761_H__
  18#define __TEA5761_H__
  19
  20#include <linux/i2c.h>
  21#include <media/dvb_frontend.h>
  22
  23#if IS_REACHABLE(CONFIG_MEDIA_TUNER_TEA5761)
  24extern int tea5761_autodetection(struct i2c_adapter* i2c_adap, u8 i2c_addr);
  25
  26extern struct dvb_frontend *tea5761_attach(struct dvb_frontend *fe,
  27                                           struct i2c_adapter* i2c_adap,
  28                                           u8 i2c_addr);
  29#else
  30static inline int tea5761_autodetection(struct i2c_adapter* i2c_adap,
  31                                        u8 i2c_addr)
  32{
  33        printk(KERN_INFO "%s: not probed - driver disabled by Kconfig\n",
  34               __func__);
  35        return -EINVAL;
  36}
  37
  38static inline struct dvb_frontend *tea5761_attach(struct dvb_frontend *fe,
  39                                                   struct i2c_adapter* i2c_adap,
  40                                                   u8 i2c_addr)
  41{
  42        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  43        return NULL;
  44}
  45#endif
  46
  47#endif /* __TEA5761_H__ */
  48