drivers/media/dvb-frontends/dvb_dummy_fe.h

   1 /*
   2  *  Driver for Dummy Frontend
   3  *
   4  *  Written by Emard <emard@softhome.net>
   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  *
  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 DVB_DUMMY_FE_H
  23 #define DVB_DUMMY_FE_H
  24
  25 #include <linux/kconfig.h>
  26 #include <linux/dvb/frontend.h>
  27 #include "dvb_frontend.h"
  28
  29 #if IS_REACHABLE(CONFIG_DVB_DUMMY_FE)
  30 extern struct dvb_frontend* dvb_dummy_fe_ofdm_attach(void);
  31 extern struct dvb_frontend* dvb_dummy_fe_qpsk_attach(void);
  32 extern struct dvb_frontend* dvb_dummy_fe_qam_attach(void);
  33 #else
  34 static inline struct dvb_frontend *dvb_dummy_fe_ofdm_attach(void)
  35 {
  36         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  37         return NULL;
  38 }
  39 static inline struct dvb_frontend *dvb_dummy_fe_qpsk_attach(void)
  40 {
  41         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  42         return NULL;
  43 }
  44 static inline struct dvb_frontend *dvb_dummy_fe_qam_attach(void)
  45 {
  46         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  47         return NULL;
  48 }
  49 #endif /* CONFIG_DVB_DUMMY_FE */
  50
  51 #endif // DVB_DUMMY_FE_H