linuxdebug/drivers/media/dvb-frontends/cx22702.h

46 lines
960 B
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
Conexant 22702 DVB OFDM demodulator driver
based on:
Alps TDMB7 DVB OFDM demodulator driver
Copyright (C) 2001-2002 Convergence Integrated Media GmbH
Holger Waechtler <holger@convergence.de>
Copyright (C) 2004 Steven Toth <stoth@linuxtv.org>
*/
#ifndef CX22702_H
#define CX22702_H
#include <linux/dvb/frontend.h>
struct cx22702_config {
/* the demodulator's i2c address */
u8 demod_address;
/* serial/parallel output */
#define CX22702_PARALLEL_OUTPUT 0
#define CX22702_SERIAL_OUTPUT 1
u8 output_mode;
};
#if IS_REACHABLE(CONFIG_DVB_CX22702)
extern struct dvb_frontend *cx22702_attach(
const struct cx22702_config *config,
struct i2c_adapter *i2c);
#else
static inline struct dvb_frontend *cx22702_attach(
const struct cx22702_config *config,
struct i2c_adapter *i2c)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif
#endif