7972f9880c
xc2028_attach was returning an integer when disabled from the build, where it should instead be returning NULL. Declare xc2028_attach as type dvb_frontend * instead of void *. The prototype declaration must be marked as extern in the header. Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
/* tuner-xc2028
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*
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* Copyright (c) 2007 Mauro Carvalho Chehab (mchehab@infradead.org)
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* This code is placed under the terms of the GNU General Public License v2
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*/
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#ifndef __TUNER_XC2028_H__
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#define __TUNER_XC2028_H__
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#include "dvb_frontend.h"
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#define XC2028_DEFAULT_FIRMWARE "xc3028-v27.fw"
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/* Dmoduler IF (kHz) */
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#define XC3028_FE_DEFAULT 0
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#define XC3028_FE_LG60 6000
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#define XC3028_FE_ATI638 6380
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#define XC3028_FE_OREN538 5380
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#define XC3028_FE_OREN36 3600
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#define XC3028_FE_TOYOTA388 3880
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#define XC3028_FE_TOYOTA794 7940
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#define XC3028_FE_DIBCOM52 5200
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#define XC3028_FE_ZARLINK456 4560
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#define XC3028_FE_CHINA 5200
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struct xc2028_ctrl {
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char *fname;
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int max_len;
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unsigned int scode_table;
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unsigned int mts :1;
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unsigned int d2633 :1;
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unsigned int input1:1;
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unsigned int vhfbw7:1;
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unsigned int uhfbw8:1;
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unsigned int demod;
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};
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struct xc2028_config {
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struct i2c_adapter *i2c_adap;
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u8 i2c_addr;
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void *video_dev;
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struct xc2028_ctrl *ctrl;
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int (*callback) (void *dev, int command, int arg);
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};
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/* xc2028 commands for callback */
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#define XC2028_TUNER_RESET 0
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#define XC2028_RESET_CLK 1
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#if defined(CONFIG_TUNER_XC2028) || (defined(CONFIG_TUNER_XC2028_MODULE) && defined(MODULE))
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extern struct dvb_frontend *xc2028_attach(struct dvb_frontend *fe,
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struct xc2028_config *cfg);
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#else
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static inline struct dvb_frontend *xc2028_attach(struct dvb_frontend *fe,
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struct xc2028_config *cfg)
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{
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printk(KERN_INFO "%s: not probed - driver disabled by Kconfig\n",
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__FUNCTION__);
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return NULL;
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}
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#endif
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#endif /* __TUNER_XC2028_H__ */
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