drivers/media/dvb-frontends/nxt6000.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3         NxtWave Communications - NXT6000 demodulator driver
   4
   5     Copyright (C) 2002-2003 Florian Schirmer <jolt@tuxbox.org>
   6     Copyright (C) 2003 Paul Andreassen <paul@andreassen.com.au>
   7
   8 */
   9
  10 #ifndef NXT6000_H
  11 #define NXT6000_H
  12
  13 #include <linux/dvb/frontend.h>
  14
  15 struct nxt6000_config
  16 {
  17         /* the demodulator's i2c address */
  18         u8 demod_address;
  19
  20         /* should clock inversion be used? */
  21         u8 clock_inversion:1;
  22 };
  23
  24 #if IS_REACHABLE(CONFIG_DVB_NXT6000)
  25 extern struct dvb_frontend* nxt6000_attach(const struct nxt6000_config* config,
  26                                            struct i2c_adapter* i2c);
  27 #else
  28 static inline struct dvb_frontend* nxt6000_attach(const struct nxt6000_config* config,
  29                                            struct i2c_adapter* i2c)
  30 {
  31         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  32         return NULL;
  33 }
  34 #endif // CONFIG_DVB_NXT6000
  35
  36 #endif // NXT6000_H