|  | /* SPDX-License-Identifier: GPL-2.0-or-later */ | 
|  | /* | 
|  | *  mxl111sf-demod.h - driver for the MaxLinear MXL111SF DVB-T demodulator | 
|  | * | 
|  | *  Copyright (C) 2010-2014 Michael Krufky <mkrufky@linuxtv.org> | 
|  | */ | 
|  |  | 
|  | #ifndef __MXL111SF_DEMOD_H__ | 
|  | #define __MXL111SF_DEMOD_H__ | 
|  |  | 
|  | #include <media/dvb_frontend.h> | 
|  | #include "mxl111sf.h" | 
|  |  | 
|  | struct mxl111sf_demod_config { | 
|  | int (*read_reg)(struct mxl111sf_state *state, u8 addr, u8 *data); | 
|  | int (*write_reg)(struct mxl111sf_state *state, u8 addr, u8 data); | 
|  | int (*program_regs)(struct mxl111sf_state *state, | 
|  | struct mxl111sf_reg_ctrl_info *ctrl_reg_info); | 
|  | }; | 
|  |  | 
|  | #if IS_ENABLED(CONFIG_DVB_USB_MXL111SF) | 
|  | extern | 
|  | struct dvb_frontend *mxl111sf_demod_attach(struct mxl111sf_state *mxl_state, | 
|  | const struct mxl111sf_demod_config *cfg); | 
|  | #else | 
|  | static inline | 
|  | struct dvb_frontend *mxl111sf_demod_attach(struct mxl111sf_state *mxl_state, | 
|  | const struct mxl111sf_demod_config *cfg) | 
|  | { | 
|  | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); | 
|  | return NULL; | 
|  | } | 
|  | #endif /* CONFIG_DVB_USB_MXL111SF */ | 
|  |  | 
|  | #endif /* __MXL111SF_DEMOD_H__ */ |