drivers/media/dvb-frontends/cx24117.h

   1 /*
   2     Conexant cx24117/cx24132 - Dual DVBS/S2 Satellite demod/tuner driver
   3
   4     Copyright (C) 2013 Luis Alves <ljalvs@gmail.com>
   5         (based on cx24116.h by Steven Toth)
   6
   7     This program is free software; you can redistribute it and/or modify
   8     it under the terms of the GNU General Public License as published by
   9     the Free Software Foundation; either version 2 of the License, or
  10     (at your option) any later version.
  11
  12     This program is distributed in the hope that it will be useful,
  13     but WITHOUT ANY WARRANTY; without even the implied warranty of
  14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  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 #ifndef CX24117_H
  23 #define CX24117_H
  24
  25 #include <linux/kconfig.h>
  26 #include <linux/dvb/frontend.h>
  27
  28 struct cx24117_config {
  29         /* the demodulator's i2c address */
  30         u8 demod_address;
  31 };
  32
  33 #if IS_REACHABLE(CONFIG_DVB_CX24117)
  34 extern struct dvb_frontend *cx24117_attach(
  35         const struct cx24117_config *config,
  36         struct i2c_adapter *i2c);
  37 #else
  38 static inline struct dvb_frontend *cx24117_attach(
  39         const struct cx24117_config *config,
  40         struct i2c_adapter *i2c)
  41 {
  42         dev_warn(&i2c->dev, "%s: driver disabled by Kconfig\n", __func__);
  43         return NULL;
  44 }
  45 #endif
  46
  47 #endif /* CX24117_H */