102a342bb9
Allow it to be en/disabled Disable it in < 2.6.17 due to symbol_xxx() bug Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net> Acked-by: Michael Krufky <mkrufky@linuxtv.org> Acked-by: Trent Piepho <xyzzy@speakeasy.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
/*
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TDA10021 - Single Chip Cable Channel Receiver driver module
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used on the the Siemens DVB-C cards
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Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de>
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Copyright (C) 2004 Markus Schulz <msc@antzsystem.de>
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Support for TDA10021
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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 TDA10021_H
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#define TDA10021_H
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#include <linux/dvb/frontend.h>
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struct tda10021_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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};
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#if defined(CONFIG_DVB_TDA10021) || defined(CONFIG_DVB_TDA10021_MODULE)
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extern struct dvb_frontend* tda10021_attach(const struct tda10021_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* tda10021_attach(const struct tda10021_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", __FUNCTION__);
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return NULL;
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}
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#endif // CONFIG_DVB_TDA10021
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static inline int tda10021_writereg(struct dvb_frontend *fe, u8 reg, u8 val) {
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int r = 0;
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u8 buf[] = {reg, val};
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if (fe->ops.write)
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r = fe->ops.write(fe, buf, 2);
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return r;
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}
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#endif // TDA10021_H
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