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mt312.h
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1 /*
2  Driver for Zarlink MT312 Satellite Channel Decoder
3 
4  Copyright (C) 2003 Andreas Oberritter <[email protected]>
5 
6  This program is free software; you can redistribute it and/or modify
7  it under the terms of the GNU General Public License as published by
8  the Free Software Foundation; either version 2 of the License, or
9  (at your option) any later version.
10 
11  This program is distributed in the hope that it will be useful,
12  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 
15  GNU General Public License for more details.
16 
17  You should have received a copy of the GNU General Public License
18  along with this program; if not, write to the Free Software
19  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 
21  References:
22  http://products.zarlink.com/product_profiles/MT312.htm
23  http://products.zarlink.com/product_profiles/SL1935.htm
24 */
25 
26 #ifndef MT312_H
27 #define MT312_H
28 
29 #include <linux/dvb/frontend.h>
30 
31 struct mt312_config {
32  /* the demodulator's i2c address */
34 
35  /* inverted voltage setting */
36  unsigned int voltage_inverted:1;
37 };
38 
39 #if defined(CONFIG_DVB_MT312) || (defined(CONFIG_DVB_MT312_MODULE) && defined(MODULE))
40 struct dvb_frontend *mt312_attach(const struct mt312_config *config,
41  struct i2c_adapter *i2c);
42 #else
43 static inline struct dvb_frontend *mt312_attach(
44  const struct mt312_config *config, struct i2c_adapter *i2c)
45 {
46  printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
47  return NULL;
48 }
49 #endif /* CONFIG_DVB_MT312 */
50 
51 #endif /* MT312_H */