Re: [PATCH v4 0/6] iio: Add output buffer support and DAC example

From: Alexandru Ardelean
Date: Wed Aug 25 2021 - 03:36:09 EST


On Fri, Aug 20, 2021 at 8:01 PM Mihail Chindris
<mihail.chindris@xxxxxxxxxx> wrote:
>

My only note about this series [as a whole] is that I would have
chosen an existing DAC to which to add kfifo output support.
To make things smooth for this new mechanism.

A new driver usually takes more effort to review/introduce than a
change to an existing one.

> Changelog v3 -> v4:
> * https://lore.kernel.org/linux-iio/20210219124012.92897-1-alexandru.ardelean@xxxxxxxxxx
> * Remove DMA related commits
> * Test and add fixies to the previous version
> - Add write function to iio_buffer_fileops in industrialiio-core
> - In iio_kfifo_remove_from change number of samples to 1 instead of
> r->bytes_per_datum otherwise n square samples are removed.
> - In iio_buffer_remove_sample replace move buffer->access->write
> check to first if an replace with remove_from. Checkpatch was
> complaining about returning -ENOSYS
> * Add ad3552r example
>
> Alexandru Ardelean (1):
> iio: triggered-buffer: extend support to configure output buffers
>
> Lars-Peter Clausen (2):
> iio: Add output buffer support
> iio: kfifo-buffer: Add output buffer support
>
> Mihail Chindris (3):
> Documentation:ABI:testing:add doc for AD3552R ABI
> dt-bindings: iio: dac: Add adi,ad3552r.yaml
> drivers:iio:dac: Add AD3552R driver support
>
> .../ABI/testing/sysfs-bus-iio-dac-ad3552r | 10 +
> .../bindings/iio/dac/adi,ad3552r.yaml | 185 +++
> drivers/iio/accel/adxl372.c | 1 +
> drivers/iio/accel/bmc150-accel-core.c | 1 +
> drivers/iio/adc/at91-sama5d2_adc.c | 4 +-
> .../buffer/industrialio-triggered-buffer.c | 8 +-
> drivers/iio/buffer/kfifo_buf.c | 50 +
> .../cros_ec_sensors/cros_ec_sensors_core.c | 5 +-
> .../common/hid-sensors/hid-sensor-trigger.c | 5 +-
> drivers/iio/dac/Kconfig | 10 +
> drivers/iio/dac/Makefile | 1 +
> drivers/iio/dac/ad3552r.c | 1419 +++++++++++++++++
> drivers/iio/iio_core.h | 4 +
> drivers/iio/industrialio-buffer.c | 133 +-
> drivers/iio/industrialio-core.c | 1 +
> include/linux/iio/buffer.h | 7 +
> include/linux/iio/buffer_impl.h | 11 +
> include/linux/iio/triggered_buffer.h | 11 +-
> 18 files changed, 1854 insertions(+), 12 deletions(-)
> create mode 100644 Documentation/ABI/testing/sysfs-bus-iio-dac-ad3552r
> create mode 100644 Documentation/devicetree/bindings/iio/dac/adi,ad3552r.yaml
> create mode 100644 drivers/iio/dac/ad3552r.c
>
>
> base-commit: 94a853eca720ac9e385e59f27e859b4a01123f58
> --
> 2.27.0
>