drivers/media/dvb-frontends/tda826x.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2   /*
   3      Driver for Philips tda8262/tda8263 DVBS Silicon tuners
   4
   5      (c) 2006 Andrew de Quincey
   6
   7
   8   */
   9
  10 #ifndef __DVB_TDA826X_H__
  11 #define __DVB_TDA826X_H__
  12
  13 #include <linux/i2c.h>
  14 #include <media/dvb_frontend.h>
  15
  16 /**
  17  * Attach a tda826x tuner to the supplied frontend structure.
  18  *
  19  * @fe: Frontend to attach to.
  20  * @addr: i2c address of the tuner.
  21  * @i2c: i2c adapter to use.
  22  * @has_loopthrough: Set to 1 if the card has a loopthrough RF connector.
  23  *
  24  * return: FE pointer on success, NULL on failure.
  25  */
  26 #if IS_REACHABLE(CONFIG_DVB_TDA826X)
  27 extern struct dvb_frontend* tda826x_attach(struct dvb_frontend *fe, int addr,
  28                                            struct i2c_adapter *i2c,
  29                                            int has_loopthrough);
  30 #else
  31 static inline struct dvb_frontend* tda826x_attach(struct dvb_frontend *fe,
  32                                                   int addr,
  33                                                   struct i2c_adapter *i2c,
  34                                                   int has_loopthrough)
  35 {
  36         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  37         return NULL;
  38 }
  39 #endif // CONFIG_DVB_TDA826X
  40
  41 #endif // __DVB_TDA826X_H__