diff options
Diffstat (limited to 'drivers/media/dvb-frontends/isl6423.h')
| -rw-r--r-- | drivers/media/dvb-frontends/isl6423.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/isl6423.h b/drivers/media/dvb-frontends/isl6423.h new file mode 100644 index 0000000000..9fa87ceffd --- /dev/null +++ b/drivers/media/dvb-frontends/isl6423.h @@ -0,0 +1,51 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + Intersil ISL6423 SEC and LNB Power supply controller + + Copyright (C) Manu Abraham <abraham.manu@gmail.com> + +*/ + +#ifndef __ISL_6423_H +#define __ISL_6423_H + +#include <linux/dvb/frontend.h> + +enum isl6423_current { + SEC_CURRENT_275m = 0, + SEC_CURRENT_515m, + SEC_CURRENT_635m, + SEC_CURRENT_800m, +}; + +enum isl6423_curlim { + SEC_CURRENT_LIM_ON = 1, + SEC_CURRENT_LIM_OFF +}; + +struct isl6423_config { + enum isl6423_current current_max; + enum isl6423_curlim curlim; + u8 addr; + u8 mod_extern; +}; + +#if IS_REACHABLE(CONFIG_DVB_ISL6423) + + +extern struct dvb_frontend *isl6423_attach(struct dvb_frontend *fe, + struct i2c_adapter *i2c, + const struct isl6423_config *config); + +#else +static inline struct dvb_frontend *isl6423_attach(struct dvb_frontend *fe, + struct i2c_adapter *i2c, + const struct isl6423_config *config) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} + +#endif /* CONFIG_DVB_ISL6423 */ + +#endif /* __ISL_6423_H */ |