LXR linux/drivers/media/tuners/max2165.h

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3 *  Driver for Maxim MAX2165 silicon tuner
   4 *
   5 *  Copyright (c) 2009 David T. L. Wong <davidtlwong@gmail.com>
   6 */
   7
   8#ifndef __MAX2165_H__
   9#define __MAX2165_H__
  10
  11struct dvb_frontend;
  12struct i2c_adapter;
  13
  14struct max2165_config {
  15        u8 i2c_address;
  16        u8 osc_clk; /* in MHz, selectable values: 4,16,18,20,22,24,26,28 */
  17};
  18
  19#if IS_REACHABLE(CONFIG_MEDIA_TUNER_MAX2165)
  20extern struct dvb_frontend *max2165_attach(struct dvb_frontend *fe,
  21        struct i2c_adapter *i2c,
  22        struct max2165_config *cfg);
  23#else
  24static inline struct dvb_frontend *max2165_attach(struct dvb_frontend *fe,
  25        struct i2c_adapter *i2c,
  26        struct max2165_config *cfg)
  27{
  28        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  29        return NULL;
  30}
  31#endif
  32
  33#endif
  34