Re: [RFC PATCH v1 3/3] iio:imu:mpu6050: enhance mounting matrix support

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On Fri, Apr 08, 2016 at 04:12:05PM +0200, Gregor Boirie wrote:
> Add a new rotation matrix sysfs attribute compliant with IIO core
> mounting matrix API.
> Matrix is retrieved from "in_anglvel_mount_matrix" and
> "in_accel_mount_matrix" sysfs attributes. It is declared into mpu6050 DTS
> entry as a "mount-matrix" property.

We have a common DT property, but can't have common sysfs interface?

BTW, sysfs interfaces also have to be documented.

> 
> Old interface is kept for backward userspace compatibility and may be
> retrieved from legacy platform_data mechanism only.
> 
> Signed-off-by: Gregor Boirie <gregor.boirie@xxxxxxxxxx>
> ---
>  .../devicetree/bindings/iio/imu/inv_mpu6050.txt    | 13 +++++
>  drivers/iio/imu/inv_mpu6050/inv_mpu_core.c         | 56 ++++++++++++++++++++--
>  drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h          |  4 +-
>  include/linux/platform_data/invensense_mpu6050.h   |  5 +-
>  4 files changed, 72 insertions(+), 6 deletions(-)
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