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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>
57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/*
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VES1820 - Single Chip Cable Channel Receiver driver module
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Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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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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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef VES1820_H
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#define VES1820_H
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#include <linux/dvb/frontend.h>
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#define VES1820_SELAGC_PWM 0
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#define VES1820_SELAGC_SIGNAMPERR 1
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struct ves1820_config
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{
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/* the demodulator's i2c address */
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u8 demod_address;
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/* value of XIN to use */
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u32 xin;
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/* does inversion need inverted? */
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u8 invert:1;
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/* SELAGC control */
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u8 selagc:1;
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};
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#if IS_ENABLED(CONFIG_DVB_VES1820)
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extern struct dvb_frontend* ves1820_attach(const struct ves1820_config* config,
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struct i2c_adapter* i2c, u8 pwm);
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#else
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static inline struct dvb_frontend* ves1820_attach(const struct ves1820_config* config,
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struct i2c_adapter* i2c, u8 pwm)
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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_VES1820
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#endif // VES1820_H
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