linux/drivers/media/dvb/frontends/s5h1420.h

50 lines
1.5 KiB
C

/*
Driver for S5H1420 QPSK Demodulators
Copyright (C) 2005 Andrew de Quincey <adq_dvb@lidskialf.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef S5H1420_H
#define S5H1420_H
#include <linux/dvb/frontend.h>
struct s5h1420_config
{
/* the demodulator's i2c address */
u8 demod_address;
/* does the inversion require inversion? */
u8 invert:1;
};
#if defined(CONFIG_DVB_S5H1420) || (defined(CONFIG_DVB_S5H1420_MODULE) && defined(MODULE))
extern struct dvb_frontend* s5h1420_attach(const struct s5h1420_config* config,
struct i2c_adapter* i2c);
#else
static inline struct dvb_frontend* s5h1420_attach(const struct s5h1420_config* config,
struct i2c_adapter* i2c)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
return NULL;
}
#endif // CONFIG_DVB_S5H1420
#endif // S5H1420_H