mirror of
https://github.com/torvalds/linux.git
synced 2024-12-15 15:41:58 +00:00
782d8b743a
Instead of checking everywhere there for 3 symbols, use instead IS_ENABLED macro. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
91 lines
1.8 KiB
C
91 lines
1.8 KiB
C
/*
|
|
* Realtek RTL2830 DVB-T demodulator driver
|
|
*
|
|
* Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
|
|
*
|
|
* 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.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#ifndef RTL2830_H
|
|
#define RTL2830_H
|
|
|
|
#include <linux/kconfig.h>
|
|
#include <linux/dvb/frontend.h>
|
|
|
|
struct rtl2830_config {
|
|
/*
|
|
* Demodulator I2C address.
|
|
*/
|
|
u8 i2c_addr;
|
|
|
|
/*
|
|
* Xtal frequency.
|
|
* Hz
|
|
* 4000000, 16000000, 25000000, 28800000
|
|
*/
|
|
u32 xtal;
|
|
|
|
/*
|
|
* TS output mode.
|
|
*/
|
|
u8 ts_mode;
|
|
|
|
/*
|
|
* Spectrum inversion.
|
|
*/
|
|
bool spec_inv;
|
|
|
|
/*
|
|
*/
|
|
u8 vtop;
|
|
|
|
/*
|
|
*/
|
|
u8 krf;
|
|
|
|
/*
|
|
*/
|
|
u8 agc_targ_val;
|
|
};
|
|
|
|
#if IS_ENABLED(CONFIG_DVB_RTL2830)
|
|
extern struct dvb_frontend *rtl2830_attach(
|
|
const struct rtl2830_config *config,
|
|
struct i2c_adapter *i2c
|
|
);
|
|
|
|
extern struct i2c_adapter *rtl2830_get_tuner_i2c_adapter(
|
|
struct dvb_frontend *fe
|
|
);
|
|
#else
|
|
static inline struct dvb_frontend *rtl2830_attach(
|
|
const struct rtl2830_config *config,
|
|
struct i2c_adapter *i2c
|
|
)
|
|
{
|
|
pr_warn("%s: driver disabled by Kconfig\n", __func__);
|
|
return NULL;
|
|
}
|
|
|
|
static inline struct i2c_adapter *rtl2830_get_tuner_i2c_adapter(
|
|
struct dvb_frontend *fe
|
|
)
|
|
{
|
|
return NULL;
|
|
}
|
|
#endif
|
|
|
|
#endif /* RTL2830_H */
|