52 lines
1.5 KiB
C
52 lines
1.5 KiB
C
/*
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Driver for Zarlink MT312 Satellite Channel Decoder
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Copyright (C) 2003 Andreas Oberritter <obi@linuxtv.org>
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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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References:
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http://products.zarlink.com/product_profiles/MT312.htm
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http://products.zarlink.com/product_profiles/SL1935.htm
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*/
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#ifndef MT312_H
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#define MT312_H
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#include <linux/dvb/frontend.h>
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struct mt312_config {
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/* the demodulator's i2c address */
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u8 demod_address;
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/* inverted voltage setting */
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unsigned int voltage_inverted:1;
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};
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#if IS_REACHABLE(CONFIG_DVB_MT312)
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struct dvb_frontend *mt312_attach(const struct mt312_config *config,
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struct i2c_adapter *i2c);
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#else
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static inline struct dvb_frontend *mt312_attach(
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const struct mt312_config *config, 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_MT312 */
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#endif /* MT312_H */
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