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SubjectRe: [RFC PATCH] iio: Export userspace IIO headers
On 02/09/2015 05:49 PM, Daniel Baluta wrote:
> After UAPI header file split [1] all user-kernel interfaces were
> placed under include/uapi/.
>
> This patch moves IIO user specific API from:
> * include/linux/iio/events.h => include/uapi/linux/iio/events.h
> * include/linux/iio/types.h => include/uapi/linux/iio/types.h
>
> Now there is no need for nasty tricks to compile userspace programs
> (e.g iio_event_monitor). Just installing the kernel headers with
> make headers_install command does the job.
>
> [1] http://lwn.net/Articles/507794/

Thanks for taking care of this, this is something that should have done a
while ago.

[...]
> index 580ed5b..146cda1 100644
> --- a/include/linux/iio/types.h
> +++ b/include/linux/iio/types.h
> @@ -10,97 +10,5 @@
> #ifndef _IIO_TYPES_H_
> #define _IIO_TYPES_H_
>
> -enum iio_chan_type {
> - IIO_VOLTAGE,
> - IIO_CURRENT,
> - IIO_POWER,
> - IIO_ACCEL,
> - IIO_ANGL_VEL,
> - IIO_MAGN,
> - IIO_LIGHT,
> - IIO_INTENSITY,
> - IIO_PROXIMITY,
> - IIO_TEMP,
> - IIO_INCLI,
> - IIO_ROT,
> - IIO_ANGL,
> - IIO_TIMESTAMP,
> - IIO_CAPACITANCE,
> - IIO_ALTVOLTAGE,
> - IIO_CCT,
> - IIO_PRESSURE,
> - IIO_HUMIDITYRELATIVE,
> - IIO_ACTIVITY,
> - IIO_STEPS,
> - IIO_ENERGY,
> - IIO_DISTANCE,
> - IIO_VELOCITY,
> -};
> -
> -enum iio_modifier {
> - IIO_NO_MOD,
> - IIO_MOD_X,
> - IIO_MOD_Y,
> - IIO_MOD_Z,
> - IIO_MOD_X_AND_Y,
> - IIO_MOD_X_AND_Z,
> - IIO_MOD_Y_AND_Z,
> - IIO_MOD_X_AND_Y_AND_Z,
> - IIO_MOD_X_OR_Y,
> - IIO_MOD_X_OR_Z,
> - IIO_MOD_Y_OR_Z,
> - IIO_MOD_X_OR_Y_OR_Z,
> - IIO_MOD_LIGHT_BOTH,
> - IIO_MOD_LIGHT_IR,
> - IIO_MOD_ROOT_SUM_SQUARED_X_Y,
> - IIO_MOD_SUM_SQUARED_X_Y_Z,
> - IIO_MOD_LIGHT_CLEAR,
> - IIO_MOD_LIGHT_RED,
> - IIO_MOD_LIGHT_GREEN,
> - IIO_MOD_LIGHT_BLUE,
> - IIO_MOD_QUATERNION,
> - IIO_MOD_TEMP_AMBIENT,
> - IIO_MOD_TEMP_OBJECT,
> - IIO_MOD_NORTH_MAGN,
> - IIO_MOD_NORTH_TRUE,
> - IIO_MOD_NORTH_MAGN_TILT_COMP,
> - IIO_MOD_NORTH_TRUE_TILT_COMP,
> - IIO_MOD_RUNNING,
> - IIO_MOD_JOGGING,
> - IIO_MOD_WALKING,
> - IIO_MOD_STILL,
> - IIO_MOD_ROOT_SUM_SQUARED_X_Y_Z,
> -};
> -
> -enum iio_event_type {
> - IIO_EV_TYPE_THRESH,
> - IIO_EV_TYPE_MAG,
> - IIO_EV_TYPE_ROC,
> - IIO_EV_TYPE_THRESH_ADAPTIVE,
> - IIO_EV_TYPE_MAG_ADAPTIVE,
> - IIO_EV_TYPE_CHANGE,
> -};

I think everything in this file below is not part of the ABI and should not
be exported to userspace.

> -
> -enum iio_event_info {
> - IIO_EV_INFO_ENABLE,
> - IIO_EV_INFO_VALUE,
> - IIO_EV_INFO_HYSTERESIS,
> - IIO_EV_INFO_PERIOD,
> -};
> -
> -enum iio_event_direction {
> - IIO_EV_DIR_EITHER,
> - IIO_EV_DIR_RISING,
> - IIO_EV_DIR_FALLING,
> - IIO_EV_DIR_NONE,
> -};
> -
> -#define IIO_VAL_INT 1
> -#define IIO_VAL_INT_PLUS_MICRO 2
> -#define IIO_VAL_INT_PLUS_NANO 3
> -#define IIO_VAL_INT_PLUS_MICRO_DB 4
> -#define IIO_VAL_INT_MULTIPLE 5
> -#define IIO_VAL_FRACTIONAL 10
> -#define IIO_VAL_FRACTIONAL_LOG2 11
> -
[...]



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