staging:iio:dac: Add AD5421 driver
[linux-2.6/btrfs-unstable.git] / drivers / staging / iio / dac / ad5421.h
blobcd2bb84ff1b01319e88456432a8256a3b5fbc097
1 #ifndef __IIO_DAC_AD5421_H__
2 #define __IIO_DAC_AD5421_H__
4 /*
5 * TODO: This file needs to go into include/linux/iio
6 */
8 /**
9 * enum ad5421_current_range - Current range the AD5421 is configured for.
10 * @AD5421_CURRENT_RANGE_4mA_20mA: 4 mA to 20 mA (RANGE1,0 pins = 00)
11 * @AD5421_CURRENT_RANGE_3mA8_21mA: 3.8 mA to 21 mA (RANGE1,0 pins = x1)
12 * @AD5421_CURRENT_RANGE_3mA2_24mA: 3.2 mA to 24 mA (RANGE1,0 pins = 10)
15 enum ad5421_current_range {
16 AD5421_CURRENT_RANGE_4mA_20mA,
17 AD5421_CURRENT_RANGE_3mA8_21mA,
18 AD5421_CURRENT_RANGE_3mA2_24mA,
21 /**
22 * struct ad5421_platform_data - AD5421 DAC driver platform data
23 * @external_vref: whether an external reference voltage is used or not
24 * @current_range: Current range the AD5421 is configured for
27 struct ad5421_platform_data {
28 bool external_vref;
29 enum ad5421_current_range current_range;
32 #endif