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)
  24 extern int tea5761_autodetection(struct i2c_adapter* i2c_adap, u8 i2c_addr);
  25
  26 extern struct dvb_frontend *tea5761_attach(struct dvb_frontend *fe,
  27                                            struct i2c_adapter* i2c_adap,
  28                                            u8 i2c_addr);
  29 #else
  30 static 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
  38 static 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__ */