drivers/media/dvb-frontends/a8293.h

   1 /*
   2  * Allegro A8293 SEC driver
   3  *
   4  * Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
   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  *    GNU General Public License for more details.
  15  *
  16  *    You should have received a copy of the GNU General Public License along
  17  *    with this program; if not, write to the Free Software Foundation, Inc.,
  18  *    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20
  21 #ifndef A8293_H
  22 #define A8293_H
  23
  24 #include <linux/kconfig.h>
  25
  26 struct a8293_config {
  27         u8 i2c_addr;
  28 };
  29
  30 #if IS_REACHABLE(CONFIG_DVB_A8293)
  31 extern struct dvb_frontend *a8293_attach(struct dvb_frontend *fe,
  32         struct i2c_adapter *i2c, const struct a8293_config *cfg);
  33 #else
  34 static inline struct dvb_frontend *a8293_attach(struct dvb_frontend *fe,
  35         struct i2c_adapter *i2c, const struct a8293_config *cfg)
  36 {
  37         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  38         return NULL;
  39 }
  40 #endif
  41
  42 #endif /* A8293_H */