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[0/9] iio mount matrix - revitalize missing bindings documentation and provide code for bmc150, bmg160, bma180, itg3200, hmc584x

Message ID cover.1550671256.git.hns@goldelico.com (mailing list archive)
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Series iio mount matrix - revitalize missing bindings documentation and provide code for bmc150, bmg160, bma180, itg3200, hmc584x | expand

Message

H. Nikolaus Schaller Feb. 20, 2019, 2 p.m. UTC
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.


H. Nikolaus Schaller (8):
  iio: bindings: clarifications for mount-matrix bindings
  iio: accel: bmc150: add mount matrix support
  iio: accel: bma180: add mount matrix support
  iio: accel: bma180: convert to devm
  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

Linus Walleij (1):
  iio: document bindings for mounting matrices

 .../devicetree/bindings/iio/mount-matrix.txt  | 162 ++++++++++++++++++
 drivers/iio/accel/bma180.c                    |  70 ++++----
 drivers/iio/accel/bmc150-accel-core.c         |  19 ++
 drivers/iio/gyro/bmg160_core.c                |  19 ++
 drivers/iio/gyro/itg3200_core.c               |  18 ++
 drivers/iio/magnetometer/bmc150_magn.c        |  19 ++
 drivers/iio/magnetometer/hmc5843.h            |   1 +
 drivers/iio/magnetometer/hmc5843_core.c       |  14 ++
 include/linux/iio/gyro/itg3200.h              |   1 +
 9 files changed, 288 insertions(+), 35 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/iio/mount-matrix.txt

Comments

Andy Shevchenko Feb. 20, 2019, 4:13 p.m. UTC | #1
On Wed, Feb 20, 2019 at 03:00:47PM +0100, H. Nikolaus Schaller wrote:
> 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.

Thanks for the patch, overall good stuff there.
Couple of things, though:
- address my comments (consider them against entire series)
- check my patch I sent today to support this from ACPI

I wouldn't like to spread more drivers use specific of_foo_bar stuff where it's
easily to support everything (note: device_property_* calls supports software
fw nodes as well).

Perhaps, you may incorporate my patch into your nice series.

> 
> 
> H. Nikolaus Schaller (8):
>   iio: bindings: clarifications for mount-matrix bindings
>   iio: accel: bmc150: add mount matrix support
>   iio: accel: bma180: add mount matrix support
>   iio: accel: bma180: convert to devm
>   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
> 
> Linus Walleij (1):
>   iio: document bindings for mounting matrices
> 
>  .../devicetree/bindings/iio/mount-matrix.txt  | 162 ++++++++++++++++++
>  drivers/iio/accel/bma180.c                    |  70 ++++----
>  drivers/iio/accel/bmc150-accel-core.c         |  19 ++
>  drivers/iio/gyro/bmg160_core.c                |  19 ++
>  drivers/iio/gyro/itg3200_core.c               |  18 ++
>  drivers/iio/magnetometer/bmc150_magn.c        |  19 ++
>  drivers/iio/magnetometer/hmc5843.h            |   1 +
>  drivers/iio/magnetometer/hmc5843_core.c       |  14 ++
>  include/linux/iio/gyro/itg3200.h              |   1 +
>  9 files changed, 288 insertions(+), 35 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/iio/mount-matrix.txt
> 
> -- 
> 2.19.1
>
H. Nikolaus Schaller Feb. 20, 2019, 4:26 p.m. UTC | #2
Hi Andy,

> Am 20.02.2019 um 17:13 schrieb Andy Shevchenko <andriy.shevchenko@linux.intel.com>:
> 
> On Wed, Feb 20, 2019 at 03:00:47PM +0100, H. Nikolaus Schaller wrote:
>> 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.
> 
> Thanks for the patch, overall good stuff there.
> Couple of things, though:
> - address my comments (consider them against entire series)
> - check my patch I sent today to support this from ACPI
> 
> I wouldn't like to spread more drivers use specific of_foo_bar stuff where it's
> easily to support everything (note: device_property_* calls supports software
> fw nodes as well).
> 
> Perhaps, you may incorporate my patch into your nice series.

Ok, that looks like a good proposal which avoids compile issues right
from beginning of v2.

BR and thanks,
Nikolaus

> 
>> 
>> 
>> H. Nikolaus Schaller (8):
>>  iio: bindings: clarifications for mount-matrix bindings
>>  iio: accel: bmc150: add mount matrix support
>>  iio: accel: bma180: add mount matrix support
>>  iio: accel: bma180: convert to devm
>>  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
>> 
>> Linus Walleij (1):
>>  iio: document bindings for mounting matrices
>> 
>> .../devicetree/bindings/iio/mount-matrix.txt  | 162 ++++++++++++++++++
>> drivers/iio/accel/bma180.c                    |  70 ++++----
>> drivers/iio/accel/bmc150-accel-core.c         |  19 ++
>> drivers/iio/gyro/bmg160_core.c                |  19 ++
>> drivers/iio/gyro/itg3200_core.c               |  18 ++
>> drivers/iio/magnetometer/bmc150_magn.c        |  19 ++
>> drivers/iio/magnetometer/hmc5843.h            |   1 +
>> drivers/iio/magnetometer/hmc5843_core.c       |  14 ++
>> include/linux/iio/gyro/itg3200.h              |   1 +
>> 9 files changed, 288 insertions(+), 35 deletions(-)
>> create mode 100644 Documentation/devicetree/bindings/iio/mount-matrix.txt
>> 
>> -- 
>> 2.19.1
>> 
> 
> -- 
> With Best Regards,
> Andy Shevchenko
> 
>