[Letux-kernel] ***UNCHECKED*** [PATCH v2 00/10] iio mount matrix - revitalize missing bindings documentation and provide code for bmc150, bmg160, bma180, itg3200, hmc584x

[Andreas Kemnade]

Hi,

On Thu, 21 Feb 2019 18:02:45 +0100
"H. Nikolaus Schaller" <hns at goldelico.com> wrote:

> Fixes V2:
> * make get_mount_matrix() functions more readable (use temp variable)
>   (suggested by Jonathan and Andy)
> * add these readability improvements also for ak8975 and mpu6050
>   (suggested by Jonathan and Andy)
> * squash bindings documentation into single commit for better discussion
>   (suggested by Linus)
> * FOR DISCUSSION: add some more clarifications to the bindings documentation
>   and an attempt to define the magnetometer orientation
> * add "iio: Allow to read mount matrix from ACPI" to the beginning of
>   the series to make it compile
>   (suggested by Andy)
> * replace of_iio_read_mount_matrix() by iio_read_mount_matrix()
>   (required by "iio: Allow to read mount matrix from ACPI")
> * drop patch to convert bma180 to devm (potential race)
>   (suggested by Jonathan)
> 
> PATCH V1 2019-02-20 15:01:02:
> This patch series adds the mount-matrix to several iio sensor drivers
> used in handheld devices.
> 
> The mount-matrix translates the quite arbitrary orientation of the sensor
> on some printed circuit board to user-tangible orientation in handheld
> devices that relates to typical screen orientation.
> 
> There was a bindings documentation by Linus Walleij but the patch
> did not make it into mainline. Therefore I resend it here.
> 
> Next I have added some clarifications (at least I hope it clarifies)
> in a second patch.
> 
> Finally, the patch set implements the hooks for the mount matrix
> in several iio drivers: bmc150, bma180, bmg160, itg3200, hmc5843.
> This includes also one patch for the bma180 to convert it to devm API.
> 
> We use them in different variants of the omap3-gta04 so a separate
> patch set will provide device tree additions for them.
> 
> 
> Andy Shevchenko (1):
>   iio: Allow to read mount matrix from ACPI
> 
> H. Nikolaus Schaller (8):
>   iio: accel: bmc150: add mount matrix support
>   iio: accel: bma180: add mount matrix support
>   iio: gyro: bmg160: add mount matrix support
>   iio: gyro: itg3200: add mount matrix support
>   iio: magnetometer: bmc150: add mount matrix support
>   iio: magnetometer: hmc5843: add mount matrix support
>   iio: mpu6050: improve code readability
>   iio: ak8975: improve code readability
> 
Hmm, you are missing the most important device with iio interface...
tsc2007 is missing. Would be interesting to know how it is oriented
towards the screen. (not CC'd yet to LKML and other stuff yet by
intention)

Regards,
Andreas
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