mirror of
https://github.com/torvalds/linux.git
synced 2024-11-19 10:31:48 +00:00
7b34be71db
This patch introduces the use of IS_ENABLED() macro. For example, replacing: #if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE)) with: #if IS_ENABLED(CONFIG_I2C) All changes made by this patch respect the same replacement pattern. Reported-by: Mauro Carvalho Chehab <mchehab@redhat.com> Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com> Acked-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
52 lines
1.5 KiB
C
52 lines
1.5 KiB
C
/*
|
|
Driver for Zarlink MT312 Satellite Channel Decoder
|
|
|
|
Copyright (C) 2003 Andreas Oberritter <obi@linuxtv.org>
|
|
|
|
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.
|
|
|
|
References:
|
|
http://products.zarlink.com/product_profiles/MT312.htm
|
|
http://products.zarlink.com/product_profiles/SL1935.htm
|
|
*/
|
|
|
|
#ifndef MT312_H
|
|
#define MT312_H
|
|
|
|
#include <linux/dvb/frontend.h>
|
|
|
|
struct mt312_config {
|
|
/* the demodulator's i2c address */
|
|
u8 demod_address;
|
|
|
|
/* inverted voltage setting */
|
|
unsigned int voltage_inverted:1;
|
|
};
|
|
|
|
#if IS_ENABLED(CONFIG_DVB_MT312)
|
|
struct dvb_frontend *mt312_attach(const struct mt312_config *config,
|
|
struct i2c_adapter *i2c);
|
|
#else
|
|
static inline struct dvb_frontend *mt312_attach(
|
|
const struct mt312_config *config, struct i2c_adapter *i2c)
|
|
{
|
|
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
|
|
return NULL;
|
|
}
|
|
#endif /* CONFIG_DVB_MT312 */
|
|
|
|
#endif /* MT312_H */
|