drivers/media/dvb-frontends/lgs8gl5.h

   1 /*
   2     Legend Silicon LGS-8GL5 DMB-TH OFDM demodulator driver
   3
   4     Copyright (C) 2008 Sirius International (Hong Kong) Limited
   5         Timothy Lee <timothy.lee@siriushk.com>
   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
  23 #ifndef LGS8GL5_H
  24 #define LGS8GL5_H
  25
  26 #include <linux/dvb/frontend.h>
  27
  28 struct lgs8gl5_config {
  29         /* the demodulator's i2c address */
  30         u8 demod_address;
  31 };
  32
  33 #if IS_REACHABLE(CONFIG_DVB_LGS8GL5)
  34 extern struct dvb_frontend *lgs8gl5_attach(
  35         const struct lgs8gl5_config *config, struct i2c_adapter *i2c);
  36 #else
  37 static inline struct dvb_frontend *lgs8gl5_attach(
  38         const struct lgs8gl5_config *config, struct i2c_adapter *i2c) {
  39         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  40         return NULL;
  41 }
  42 #endif /* CONFIG_DVB_LGS8GL5 */
  43
  44 #endif /* LGS8GL5_H */