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

From: Jonathan Cameron
Date: Mon Aug 30 2021 - 11:14:26 EST


On Wed, 25 Aug 2021 10:35:53 +0300
Alexandru Ardelean <ardeleanalex@xxxxxxxxx> wrote:

> 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.

Agreed. If it makes sense to send the driver without this support
first then add it in a follow up that is fine too. That way we can
separate basic driver review from the exciting new stuff.

Jonathan

>
> > 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
> >