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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>
63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
/*
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* Driver for Zarlink DVB-T ZL10353 demodulator
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*
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* Copyright (C) 2006, 2007 Christopher Pascoe <c.pascoe@itee.uq.edu.au>
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*
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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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*
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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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*
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* GNU General Public License for more details.
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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., 675 Mass Ave, Cambridge, MA 02139, USA.=
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*/
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#ifndef ZL10353_H
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#define ZL10353_H
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#include <linux/dvb/frontend.h>
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struct zl10353_config
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{
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/* demodulator's I2C address */
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u8 demod_address;
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/* frequencies in units of 0.1kHz */
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int adc_clock; /* default: 450560 (45.056 MHz) */
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int if2; /* default: 361667 (36.1667 MHz) */
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/* set if no pll is connected to the secondary i2c bus */
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int no_tuner;
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/* set if parallel ts output is required */
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int parallel_ts;
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/* set if i2c_gate_ctrl disable is required */
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u8 disable_i2c_gate_ctrl:1;
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/* clock control registers (0x51-0x54) */
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u8 clock_ctl_1; /* default: 0x46 */
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u8 pll_0; /* default: 0x15 */
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};
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#if IS_ENABLED(CONFIG_DVB_ZL10353)
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extern struct dvb_frontend* zl10353_attach(const struct zl10353_config *config,
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struct i2c_adapter *i2c);
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#else
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static inline struct dvb_frontend* zl10353_attach(const struct zl10353_config *config,
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struct i2c_adapter *i2c)
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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_ZL10353 */
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#endif /* ZL10353_H */
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