diff options
Diffstat (limited to 'kernel/drivers/media/dvb-frontends/s921.h')
| -rw-r--r-- | kernel/drivers/media/dvb-frontends/s921.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/kernel/drivers/media/dvb-frontends/s921.h b/kernel/drivers/media/dvb-frontends/s921.h new file mode 100644 index 000000000..7d3999a4e --- /dev/null +++ b/kernel/drivers/media/dvb-frontends/s921.h @@ -0,0 +1,47 @@ +/* + * Sharp s921 driver + * + * Copyright (C) 2009 Mauro Carvalho Chehab + * Copyright (C) 2009 Douglas Landgraf <dougsland@redhat.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation version 2. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef S921_H +#define S921_H + +#include <linux/kconfig.h> +#include <linux/dvb/frontend.h> + +struct s921_config { + /* the demodulator's i2c address */ + u8 demod_address; +}; + +#if IS_REACHABLE(CONFIG_DVB_S921) +extern struct dvb_frontend *s921_attach(const struct s921_config *config, + struct i2c_adapter *i2c); +extern struct i2c_adapter *s921_get_tuner_i2c_adapter(struct dvb_frontend *); +#else +static inline struct dvb_frontend *s921_attach( + const struct s921_config *config, struct i2c_adapter *i2c) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +static struct i2c_adapter * + s921_get_tuner_i2c_adapter(struct dvb_frontend *fe) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif + +#endif /* S921_H */ |