linux/drivers/media/dvb-frontends/a8293.h
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   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
  26struct a8293_config {
  27        u8 i2c_addr;
  28};
  29
  30#if IS_ENABLED(CONFIG_DVB_A8293)
  31extern struct dvb_frontend *a8293_attach(struct dvb_frontend *fe,
  32        struct i2c_adapter *i2c, const struct a8293_config *cfg);
  33#else
  34static 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 */
  43