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00c78a3728
Changeset 9b174527e7 added this new macro, ensuring that it
is true only if the function is actually reachable.
However, newer drivers were added since when it was written.
So, change those drivers to also use it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
75 lines
2.0 KiB
C
75 lines
2.0 KiB
C
/*
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* Support for LGDT3306A - 8VSB/QAM-B
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*
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* Copyright (C) 2013,2014 Fred Richter <frichter@hauppauge.com>
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* based on lgdt3305.[ch] by Michael Krufky
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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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* GNU General Public License for more details.
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*/
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#ifndef _LGDT3306A_H_
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#define _LGDT3306A_H_
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#include <linux/i2c.h>
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#include "dvb_frontend.h"
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enum lgdt3306a_mpeg_mode {
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LGDT3306A_MPEG_PARALLEL = 0,
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LGDT3306A_MPEG_SERIAL = 1,
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};
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enum lgdt3306a_tp_clock_edge {
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LGDT3306A_TPCLK_RISING_EDGE = 0,
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LGDT3306A_TPCLK_FALLING_EDGE = 1,
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};
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enum lgdt3306a_tp_valid_polarity {
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LGDT3306A_TP_VALID_LOW = 0,
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LGDT3306A_TP_VALID_HIGH = 1,
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};
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struct lgdt3306a_config {
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u8 i2c_addr;
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/* user defined IF frequency in KHz */
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u16 qam_if_khz;
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u16 vsb_if_khz;
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/* disable i2c repeater - 0:repeater enabled 1:repeater disabled */
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unsigned int deny_i2c_rptr:1;
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/* spectral inversion - 0:disabled 1:enabled */
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unsigned int spectral_inversion:1;
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enum lgdt3306a_mpeg_mode mpeg_mode;
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enum lgdt3306a_tp_clock_edge tpclk_edge;
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enum lgdt3306a_tp_valid_polarity tpvalid_polarity;
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/* demod clock freq in MHz; 24 or 25 supported */
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int xtalMHz;
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};
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#if IS_REACHABLE(CONFIG_DVB_LGDT3306A)
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struct dvb_frontend *lgdt3306a_attach(const struct lgdt3306a_config *config,
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struct i2c_adapter *i2c_adap);
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#else
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static inline
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struct dvb_frontend *lgdt3306a_attach(const struct lgdt3306a_config *config,
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struct i2c_adapter *i2c_adap)
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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_LGDT3306A */
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#endif /* _LGDT3306A_H_ */
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