ad7746.h

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/*
 * AD7746 capacitive sensor driver supporting AD7745, AD7746 and AD7747
 *
 * Copyright 2011 Analog Devices Inc.
 *
 * Licensed under the GPL-2.
 */

#ifndef IIO_CDC_AD7746_H_
#define IIO_CDC_AD7746_H_

/*
 * TODO: struct ad7746_platform_data needs to go into include/linux/iio
 */

#define AD7466_EXCLVL_0     0 /* +-VDD/8 */
#define AD7466_EXCLVL_1     1 /* +-VDD/4 */
#define AD7466_EXCLVL_2     2 /* +-VDD * 3/8 */
#define AD7466_EXCLVL_3     3 /* +-VDD/2 */

struct ad7746_platform_data {
    unsigned char exclvl;   /*Excitation Voltage Level */
    bool exca_en;       /* enables EXCA pin as the excitation output */
    bool exca_inv_en;   /* enables /EXCA pin as the excitation output */
    bool excb_en;       /* enables EXCB pin as the excitation output */
    bool excb_inv_en;   /* enables /EXCB pin as the excitation output */
};

#endif /* IIO_CDC_AD7746_H_ */