diff options
Diffstat (limited to 'drivers/staging/iio/cdc/ad7746.h')
| -rw-r--r-- | drivers/staging/iio/cdc/ad7746.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/staging/iio/cdc/ad7746.h b/drivers/staging/iio/cdc/ad7746.h new file mode 100644 index 000000000000..ea8572d1df02 --- /dev/null +++ b/drivers/staging/iio/cdc/ad7746.h @@ -0,0 +1,29 @@ +/* + * 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_ */ |