WSL2-Linux-Kernel/drivers/media/dvb-frontends/cx22700.h

47 строки
1.4 KiB
C

/*
Conexant CX22700 DVB OFDM demodulator driver
Copyright (C) 2001-2002 Convergence Integrated Media GmbH
Holger Waechtler <holger@convergence.de>
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 CX22700_H
#define CX22700_H
#include <linux/dvb/frontend.h>
struct cx22700_config
{
/* the demodulator's i2c address */
u8 demod_address;
};
#if IS_ENABLED(CONFIG_DVB_CX22700)
extern struct dvb_frontend* cx22700_attach(const struct cx22700_config* config,
struct i2c_adapter* i2c);
#else
static inline struct dvb_frontend* cx22700_attach(const struct cx22700_config* config,
struct i2c_adapter* i2c)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif // CONFIG_DVB_CX22700
#endif // CX22700_H