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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>
75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
/*
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* isl6405.h - driver for dual lnb supply and control ic ISL6405
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*
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* Copyright (C) 2008 Hartmut Hackmann
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* Copyright (C) 2006 Oliver Endriss
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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* Or, point your browser to http://www.gnu.org/copyleft/gpl.html
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*
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*
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* the project's page is at http://www.linuxtv.org
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*/
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#ifndef _ISL6405_H
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#define _ISL6405_H
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#include <linux/dvb/frontend.h>
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/* system register bits */
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/* this bit selects register (control) 1 or 2
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note that the bit maps are different */
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#define ISL6405_SR 0x80
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/* SR = 0 */
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#define ISL6405_OLF1 0x01
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#define ISL6405_EN1 0x02
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#define ISL6405_VSEL1 0x04
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#define ISL6405_LLC1 0x08
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#define ISL6405_ENT1 0x10
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#define ISL6405_ISEL1 0x20
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#define ISL6405_DCL 0x40
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/* SR = 1 */
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#define ISL6405_OLF2 0x01
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#define ISL6405_OTF 0x02
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#define ISL6405_EN2 0x04
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#define ISL6405_VSEL2 0x08
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#define ISL6405_LLC2 0x10
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#define ISL6405_ENT2 0x20
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#define ISL6405_ISEL2 0x40
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#if IS_ENABLED(CONFIG_DVB_ISL6405)
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/* override_set and override_clear control which system register bits (above)
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* to always set & clear
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*/
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extern struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c,
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u8 i2c_addr, u8 override_set, u8 override_clear);
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#else
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static inline struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe,
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struct i2c_adapter *i2c, u8 i2c_addr,
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u8 override_set, u8 override_clear)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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return NULL;
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}
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#endif /* CONFIG_DVB_ISL6405 */
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#endif
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