mirror of https://gitee.com/openkylin/linux.git
57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/*
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Auvitek AU8522 QAM/8VSB demodulator driver
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Copyright (C) 2008 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 __AU8522_H__
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#define __AU8522_H__
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#include <linux/dvb/frontend.h>
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struct au8522_config {
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/* the demodulator's i2c address */
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u8 demod_address;
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/* Return lock status based on tuner lock, or demod lock */
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#define AU8522_TUNERLOCKING 0
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#define AU8522_DEMODLOCKING 1
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u8 status_mode;
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};
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#if defined(CONFIG_DVB_AU8522) || \
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(defined(CONFIG_DVB_AU8522_MODULE) && defined(MODULE))
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extern struct dvb_frontend *au8522_attach(const struct au8522_config *config,
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struct i2c_adapter *i2c);
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#else
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static inline
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struct dvb_frontend *au8522_attach(const struct au8522_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", __func__);
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return NULL;
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}
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#endif /* CONFIG_DVB_AU8522 */
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#endif /* __AU8522_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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