diff options
Diffstat (limited to 'drivers/media/dvb-frontends/lnbp22.h')
| -rw-r--r-- | drivers/media/dvb-frontends/lnbp22.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/lnbp22.h b/drivers/media/dvb-frontends/lnbp22.h new file mode 100644 index 0000000000..35810d9d09 --- /dev/null +++ b/drivers/media/dvb-frontends/lnbp22.h @@ -0,0 +1,39 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * lnbp22.h - driver for lnb supply and control ic lnbp22 + * + * Copyright (C) 2006 Dominik Kuhlen + * Based on lnbp21.h + * + * the project's page is at https://linuxtv.org + */ + +#ifndef _LNBP22_H +#define _LNBP22_H + +/* Enable */ +#define LNBP22_EN 0x10 +/* Voltage selection */ +#define LNBP22_VSEL 0x02 +/* Plus 1 Volt Bit */ +#define LNBP22_LLC 0x01 + +#include <linux/dvb/frontend.h> + +#if IS_REACHABLE(CONFIG_DVB_LNBP22) +/* + * override_set and override_clear control which system register bits (above) + * to always set & clear + */ +extern struct dvb_frontend *lnbp22_attach(struct dvb_frontend *fe, + struct i2c_adapter *i2c); +#else +static inline struct dvb_frontend *lnbp22_attach(struct dvb_frontend *fe, + struct i2c_adapter *i2c) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif /* CONFIG_DVB_LNBP22 */ + +#endif /* _LNBP22_H */ |