drivers/media/dvb-frontends/ec100.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * E3C EC100 demodulator driver
   4  *
   5  * Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
   6  */
   7
   8 #ifndef EC100_H
   9 #define EC100_H
  10
  11 #include <linux/dvb/frontend.h>
  12
  13 struct ec100_config {
  14         /* demodulator's I2C address */
  15         u8 demod_address;
  16 };
  17
  18
  19 #if IS_REACHABLE(CONFIG_DVB_EC100)
  20 extern struct dvb_frontend *ec100_attach(const struct ec100_config *config,
  21         struct i2c_adapter *i2c);
  22 #else
  23 static inline struct dvb_frontend *ec100_attach(
  24         const struct ec100_config *config, struct i2c_adapter *i2c)
  25 {
  26         pr_warn("%s: driver disabled by Kconfig\n", __func__);
  27         return NULL;
  28 }
  29 #endif
  30
  31 #endif /* EC100_H */