LXR linux/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 * tda826x_attach - 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)
  27extern struct dvb_frontend* tda826x_attach(struct dvb_frontend *fe, int addr,
  28                                           struct i2c_adapter *i2c,
  29                                           int has_loopthrough);
  30#else
  31static 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__
  42