mirror of
https://github.com/torvalds/linux.git
synced 2024-11-12 15:11:50 +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>
62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
/*
|
|
cx24110 - Single Chip Satellite Channel Receiver driver module
|
|
|
|
Copyright (C) 2002 Peter Hettkamp <peter.hettkamp@htp-tel.de> based on
|
|
work
|
|
Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@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 CX24110_H
|
|
#define CX24110_H
|
|
|
|
#include <linux/dvb/frontend.h>
|
|
|
|
struct cx24110_config
|
|
{
|
|
/* the demodulator's i2c address */
|
|
u8 demod_address;
|
|
};
|
|
|
|
static inline int cx24110_pll_write(struct dvb_frontend *fe, u32 val)
|
|
{
|
|
u8 buf[] = {
|
|
(u8)((val >> 24) & 0xff),
|
|
(u8)((val >> 16) & 0xff),
|
|
(u8)((val >> 8) & 0xff)
|
|
};
|
|
|
|
if (fe->ops.write)
|
|
return fe->ops.write(fe, buf, 3);
|
|
return 0;
|
|
}
|
|
|
|
#if IS_ENABLED(CONFIG_DVB_CX24110)
|
|
extern struct dvb_frontend* cx24110_attach(const struct cx24110_config* config,
|
|
struct i2c_adapter* i2c);
|
|
#else
|
|
static inline struct dvb_frontend* cx24110_attach(const struct cx24110_config* config,
|
|
struct i2c_adapter* i2c)
|
|
{
|
|
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
|
|
return NULL;
|
|
}
|
|
#endif // CONFIG_DVB_CX24110
|
|
|
|
#endif // CX24110_H
|