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| author |   Gregor Boirie <gregor.boirie@parrot.com> | 2016-04-20 19:23:45 +0200 |
|---|---|---|
| committer |   Jonathan Cameron <jic23@kernel.org> | 2016-04-23 22:16:01 +0100 |
| commit | eb3798463f71afc77abd25b2f62708be06f7173b (patch) | |
| tree | d35a30863782850b30e888b9cbc5822386beee1f /include/linux/platform_data | |
| parent | iio:ak8975: add mounting matrix support (diff) | |
| download | linux-dev-eb3798463f71afc77abd25b2f62708be06f7173b.tar.xz linux-dev-eb3798463f71afc77abd25b2f62708be06f7173b.zip | |
iio:imu:mpu6050: enhance mounting matrix support
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.
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@parrot.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'include/linux/platform_data')
| -rw-r--r-- | include/linux/platform_data/invensense_mpu6050.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/platform_data/invensense_mpu6050.h b/include/linux/platform_data/invensense_mpu6050.h index ad3aa7b95f35..554b59801aa8 100644 --- a/include/linux/platform_data/invensense_mpu6050.h +++ b/include/linux/platform_data/invensense_mpu6050.h @@ -16,13 +16,16 @@ /** * struct inv_mpu6050_platform_data - Platform data for the mpu driver - * @orientation: Orientation matrix of the chip + * @orientation: Orientation matrix of the chip (deprecated in favor of + * mounting matrix retrieved from device-tree) * * Contains platform specific information on how to configure the MPU6050 to * work on this platform. The orientation matricies are 3x3 rotation matricies * that are applied to the data to rotate from the mounting orientation to the * platform orientation. The values must be one of 0, 1, or -1 and each row and * column should have exactly 1 non-zero value. + * + * Deprecated in favor of mounting matrix retrieved from device-tree. */ struct inv_mpu6050_platform_data { __s8 orientation[9]; |