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isl6421.h

/*
 * isl6421.h - driver for lnb supply and control ic ISL6421
 *
 * Copyright (C) 2006 Andrew de Quincey
 * 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 _ISL6421_H
#define _ISL6421_H

#include <linux/dvb/frontend.h>

/* system register bits */
#define ISL6421_OLF1    0x01
#define ISL6421_EN1     0x02
#define ISL6421_VSEL1   0x04
#define ISL6421_LLC1    0x08
#define ISL6421_ENT1    0x10
#define ISL6421_ISEL1   0x20
#define ISL6421_DCL     0x40

#if defined(CONFIG_DVB_ISL6421) || (defined(CONFIG_DVB_ISL6421_MODULE) && defined(MODULE))
/* override_set and override_clear control which system register bits (above) to always set & clear */
extern struct dvb_frontend *isl6421_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 i2c_addr,
                    u8 override_set, u8 override_clear);
#else
static inline struct dvb_frontend *isl6421_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 i2c_addr,
                                      u8 override_set, u8 override_clear)
{
      printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
      return NULL;
}
#endif // CONFIG_DVB_ISL6421

#endif

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