drivers/media/dvb-frontends/tua6100.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Driver for Infineon tua6100 PLL.
   4  *
   5  * (c) 2006 Andrew de Quincey
   6  *
   7  * Based on code found in budget-av.c, which has the following:
   8  * Compiled from various sources by Michael Hunold <michael@mihu.de>
   9  *
  10  * CI interface support (c) 2004 Olivier Gournet <ogournet@anevia.com> &
  11  *                               Andrew de Quincey <adq_dvb@lidskialf.net>
  12  *
  13  * Copyright (C) 2002 Ralph Metzler <rjkm@metzlerbros.de>
  14  *
  15  * Copyright (C) 1999-2002 Ralph  Metzler
  16  *                       & Marcus Metzler for convergence integrated media GmbH
  17  */
  18
  19 #ifndef __DVB_TUA6100_H__
  20 #define __DVB_TUA6100_H__
  21
  22 #include <linux/i2c.h>
  23 #include <media/dvb_frontend.h>
  24
  25 #if IS_REACHABLE(CONFIG_DVB_TUA6100)
  26 extern struct dvb_frontend *tua6100_attach(struct dvb_frontend *fe, int addr, struct i2c_adapter *i2c);
  27 #else
  28 static inline struct dvb_frontend* tua6100_attach(struct dvb_frontend *fe, int addr, struct i2c_adapter *i2c)
  29 {
  30         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  31         return NULL;
  32 }
  33 #endif // CONFIG_DVB_TUA6100
  34
  35 #endif