mirror of
https://github.com/torvalds/linux.git
synced 2024-11-28 07:01:32 +00:00
782d8b743a
Instead of checking everywhere there for 3 symbols, use instead IS_ENABLED macro. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
77 lines
2.3 KiB
C
77 lines
2.3 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
|
|
|
|
#include <linux/kconfig.h>
|
|
|
|
/* system register bits */
|
|
/* [RO] 0=OK; 1=over current limit flag */
|
|
#define LNBP21_OLF 0x01
|
|
/* [RO] 0=OK; 1=over temperature flag (150 C) */
|
|
#define LNBP21_OTF 0x02
|
|
/* [RW] 0=disable LNB power, enable loopthrough
|
|
1=enable LNB power, disable loopthrough */
|
|
#define LNBP21_EN 0x04
|
|
/* [RW] 0=low voltage (13/14V, vert pol)
|
|
1=high voltage (18/19V,horiz pol) */
|
|
#define LNBP21_VSEL 0x08
|
|
/* [RW] increase LNB voltage by 1V:
|
|
0=13/18V; 1=14/19V */
|
|
#define LNBP21_LLC 0x10
|
|
/* [RW] 0=tone controlled by DSQIN pin
|
|
1=tone enable, disable DSQIN */
|
|
#define LNBP21_TEN 0x20
|
|
/* [RW] current limit select:
|
|
0:Iout=500-650mA Isc=300mA
|
|
1:Iout=400-550mA Isc=200mA */
|
|
#define LNBP21_ISEL 0x40
|
|
/* [RW] short-circuit protect:
|
|
0=pulsed (dynamic) curr limiting
|
|
1=static curr limiting */
|
|
#define LNBP21_PCL 0x80
|
|
|
|
#include <linux/dvb/frontend.h>
|
|
|
|
#if IS_ENABLED(CONFIG_DVB_LNBP21)
|
|
/* 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", __func__);
|
|
return NULL;
|
|
}
|
|
#endif
|
|
|
|
#endif
|