linux/drivers/media/dvb/frontends/lnbp21.h
Andrew de Quincey 102a342bb9 V4L/DVB (4387): Add Kconfig infrastructure for dvb_attach
Allow it to be en/disabled
Disable it in < 2.6.17 due to symbol_xxx() bug

Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Acked-by: Michael Krufky <mkrufky@linuxtv.org>
Acked-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2006-09-26 11:53:25 -03:00

54 lines
1.8 KiB
C

/*
* lnbp21.h - driver for lnb supply and control ic lnbp21
*
* Copyright (C) 2006 Oliver Endriss
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* Or, point your browser to http://www.gnu.org/copyleft/gpl.html
*
*
* the project's page is at http://www.linuxtv.org
*/
#ifndef _LNBP21_H
#define _LNBP21_H
/* system register bits */
#define LNBP21_OLF 0x01
#define LNBP21_OTF 0x02
#define LNBP21_EN 0x04
#define LNBP21_VSEL 0x08
#define LNBP21_LLC 0x10
#define LNBP21_TEN 0x20
#define LNBP21_ISEL 0x40
#define LNBP21_PCL 0x80
#include <linux/dvb/frontend.h>
#if defined(CONFIG_DVB_LNBP21) || defined(CONFIG_DVB_LNBP21_MODULE)
/* override_set and override_clear control which system register bits (above) to always set & clear */
extern struct dvb_frontend *lnbp21_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 override_set, u8 override_clear);
#else
static inline struct dvb_frontend *lnbp21_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 override_set, u8 override_clear)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
return NULL;
}
#endif // CONFIG_DVB_LNBP21
#endif // _LNBP21_H