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If a card driver is compiled into the kernel and mt2131 or s5h1409 are compiled as modules, the kernel won't link. A compiled in driver can't use a module, so in this case the mt2131 or s5h1409 are effectively disabled w.r.t the compiled in driver and the stub attach function should be used. Signed-off-by: Trent Piepho <xyzzy@speakeasy.org> Acked-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
/*
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Samsung S5H1409 VSB/QAM demodulator driver
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Copyright (C) 2006 Steven Toth <stoth@hauppauge.com>
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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 __S5H1409_H__
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#define __S5H1409_H__
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#include <linux/dvb/frontend.h>
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struct s5h1409_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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/* serial/parallel output */
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#define S5H1409_PARALLEL_OUTPUT 0
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#define S5H1409_SERIAL_OUTPUT 1
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u8 output_mode;
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/* GPIO Setting */
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#define S5H1409_GPIO_OFF 0
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#define S5H1409_GPIO_ON 1
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u8 gpio;
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/* IF Freq in KHz */
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u16 if_freq;
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/* Spectral Inversion */
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#define S5H1409_INVERSION_OFF 0
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#define S5H1409_INVERSION_ON 1
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u8 inversion;
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/* Return lock status based on tuner lock, or demod lock */
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#define S5H1409_TUNERLOCKING 0
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#define S5H1409_DEMODLOCKING 1
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u8 status_mode;
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};
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#if defined(CONFIG_DVB_S5H1409) || (defined(CONFIG_DVB_S5H1409_MODULE) && defined(MODULE))
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extern struct dvb_frontend* s5h1409_attach(const struct s5h1409_config* config,
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struct i2c_adapter* i2c);
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#else
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static inline struct dvb_frontend* s5h1409_attach(const struct s5h1409_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", __FUNCTION__);
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return NULL;
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}
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#endif /* CONFIG_DVB_S5H1409 */
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#endif /* __S5H1409_H__ */
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/*
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* Local variables:
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* c-basic-offset: 8
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*/
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