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1/* SPDX-License-Identifier: GPL-2.0-or-later */2/*3 * mxl111sf-demod.h - driver for the MaxLinear MXL111SF DVB-T demodulator4 *5 * Copyright (C) 2010-2014 Michael Krufky <mkrufky@linuxtv.org>6 */7 8#ifndef __MXL111SF_DEMOD_H__9#define __MXL111SF_DEMOD_H__10 11#include <media/dvb_frontend.h>12#include "mxl111sf.h"13 14struct mxl111sf_demod_config {15 int (*read_reg)(struct mxl111sf_state *state, u8 addr, u8 *data);16 int (*write_reg)(struct mxl111sf_state *state, u8 addr, u8 data);17 int (*program_regs)(struct mxl111sf_state *state,18 struct mxl111sf_reg_ctrl_info *ctrl_reg_info);19};20 21#if IS_ENABLED(CONFIG_DVB_USB_MXL111SF)22extern23struct dvb_frontend *mxl111sf_demod_attach(struct mxl111sf_state *mxl_state,24 const struct mxl111sf_demod_config *cfg);25#else26static inline27struct dvb_frontend *mxl111sf_demod_attach(struct mxl111sf_state *mxl_state,28 const struct mxl111sf_demod_config *cfg)29{30 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);31 return NULL;32}33#endif /* CONFIG_DVB_USB_MXL111SF */34 35#endif /* __MXL111SF_DEMOD_H__ */36