drivers/media/dvb-frontends/dvb_dummy_fe.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  *  Driver for Dummy Frontend
   4  *
   5  *  Written by Emard <emard@softhome.net>
   6  */
   7
   8 #ifndef DVB_DUMMY_FE_H
   9 #define DVB_DUMMY_FE_H
  10
  11 #include <linux/dvb/frontend.h>
  12 #include <media/dvb_frontend.h>
  13
  14 #if IS_REACHABLE(CONFIG_DVB_DUMMY_FE)
  15 struct dvb_frontend *dvb_dummy_fe_ofdm_attach(void);
  16 struct dvb_frontend *dvb_dummy_fe_qpsk_attach(void);
  17 struct dvb_frontend *dvb_dummy_fe_qam_attach(void);
  18 #else
  19 static inline struct dvb_frontend *dvb_dummy_fe_ofdm_attach(void)
  20 {
  21         pr_warn("%s: driver disabled by Kconfig\n", __func__);
  22         return NULL;
  23 }
  24 static inline struct dvb_frontend *dvb_dummy_fe_qpsk_attach(void)
  25 {
  26         pr_warn("%s: driver disabled by Kconfig\n", __func__);
  27         return NULL;
  28 }
  29 static inline struct dvb_frontend *dvb_dummy_fe_qam_attach(void)
  30 {
  31         pr_warn("%s: driver disabled by Kconfig\n", __func__);
  32         return NULL;
  33 }
  34 #endif /* CONFIG_DVB_DUMMY_FE */
  35
  36 #endif // DVB_DUMMY_FE_H