drivers/media/dvb-frontends/cx22700.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3     Conexant CX22700 DVB OFDM demodulator driver
   4
   5     Copyright (C) 2001-2002 Convergence Integrated Media GmbH
   6         Holger Waechtler <holger@convergence.de>
   7
   8
   9 */
  10
  11 #ifndef CX22700_H
  12 #define CX22700_H
  13
  14 #include <linux/dvb/frontend.h>
  15
  16 struct cx22700_config
  17 {
  18         /* the demodulator's i2c address */
  19         u8 demod_address;
  20 };
  21
  22 #if IS_REACHABLE(CONFIG_DVB_CX22700)
  23 extern struct dvb_frontend* cx22700_attach(const struct cx22700_config* config,
  24                                            struct i2c_adapter* i2c);
  25 #else
  26 static inline struct dvb_frontend* cx22700_attach(const struct cx22700_config* config,
  27                                            struct i2c_adapter* i2c)
  28 {
  29         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  30         return NULL;
  31 }
  32 #endif // CONFIG_DVB_CX22700
  33
  34 #endif // CX22700_H