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linux-next/drivers/media/dvb-frontends/lgdt330x.h
Hans Verkuil 2a5f2705c9 media: lgdt330x.h: fix compiler warning
Add missing 'inline' to fix this compiler warning:

In file included from drivers/media/common/b2c2/flexcop-fe-tuner.c:21:0:
drivers/media/dvb-frontends/lgdt330x.h:61:22: warning: 'lgdt330x_attach' defined but not used [-Wunused-function]
 struct dvb_frontend *lgdt330x_attach(const struct lgdt330x_config *config,
                      ^~~~~~~~~~~~~~~

Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Suggested-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-05-11 11:40:09 -04:00

71 lines
2.1 KiB
C

/*
* Support for LGDT3302 and LGDT3303 - VSB/QAM
*
* Copyright (C) 2005 Wilson Michaels <wilsonmichaels@earthlink.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.
*
*/
#ifndef LGDT330X_H
#define LGDT330X_H
#include <linux/dvb/frontend.h>
typedef enum lg_chip_t {
UNDEFINED,
LGDT3302,
LGDT3303
}lg_chip_type;
/**
* struct lgdt330x_config - contains lgdt330x configuration
*
* @demod_chip: LG demodulator chip LGDT3302 or LGDT3303
* @serial_mpeg: MPEG hardware interface - 0:parallel 1:serial
* @pll_rf_set: Callback function to set PLL interface
* @set_ts_params: Callback function to set device param for start_dma
* @clock_polarity_flip:
* Flip the polarity of the mpeg data transfer clock using alternate
* init data.
* This option applies ONLY to LGDT3303 - 0:disabled (default) 1:enabled
* @get_dvb_frontend:
* returns the frontend associated with this I2C client.
* Filled by the driver.
*/
struct lgdt330x_config
{
lg_chip_type demod_chip;
int serial_mpeg;
int (*pll_rf_set) (struct dvb_frontend* fe, int index);
int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured);
int clock_polarity_flip;
struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *);
};
#if IS_REACHABLE(CONFIG_DVB_LGDT330X)
struct dvb_frontend *lgdt330x_attach(const struct lgdt330x_config *config,
u8 demod_address,
struct i2c_adapter *i2c);
#else
static inline
struct dvb_frontend *lgdt330x_attach(const struct lgdt330x_config *config,
u8 demod_address,
struct i2c_adapter *i2c)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif // CONFIG_DVB_LGDT330X
#endif /* LGDT330X_H */