[PATCH v3 0/6] iio: Add output buffer support

[Alexandru Ardelean]

Changelog v2 -> v3:
* https://lore.kernel.org/linux-iio/20210217083438.37865-4-alexandru.ardelean@xxxxxxxxxx/T/#m396545e0c6cc9d58e17f4d79b6fc707fd0373d89
* adding only infrastructure pieces for output DAC buffers, unfortunately I
  couldn't finish a complete DAC change to showcase these changes
* patch 'iio: Add output buffer support'
   - moved new 'bufferY/direction' attribute at the end and added
     comment about what it should be added at the end
* removed Lars' comment '/* need a way of knowing if there may be enough data... */'
* updated some various formatting;

Alexandru Ardelean (1):
  iio: triggered-buffer: extend support to configure output buffers

Lars-Peter Clausen (5):
  iio: Add output buffer support
  iio: kfifo-buffer: Add output buffer support
  iio: buffer-dma: Allow to provide custom buffer ops
  iio: buffer-dma: Add output buffer support
  iio: buffer-dma: add support for cyclic DMA transfers

 Documentation/ABI/testing/sysfs-bus-iio       |   7 +
 drivers/iio/accel/adxl372.c                   |   1 +
 drivers/iio/accel/bmc150-accel-core.c         |   1 +
 drivers/iio/adc/adi-axi-adc.c                 |   4 +-
 drivers/iio/adc/at91-sama5d2_adc.c            |   4 +-
 drivers/iio/buffer/industrialio-buffer-dma.c  | 120 ++++++++++++++--
 .../buffer/industrialio-buffer-dmaengine.c    |  72 +++++++---
 .../buffer/industrialio-triggered-buffer.c    |   8 +-
 drivers/iio/buffer/kfifo_buf.c                |  50 +++++++
 .../cros_ec_sensors/cros_ec_sensors_core.c    |   1 +
 .../common/hid-sensors/hid-sensor-trigger.c   |   5 +-
 drivers/iio/industrialio-buffer.c             | 133 +++++++++++++++++-
 include/linux/iio/buffer-dma.h                |  11 +-
 include/linux/iio/buffer-dmaengine.h          |   8 +-
 include/linux/iio/buffer.h                    |   7 +
 include/linux/iio/buffer_impl.h               |  11 ++
 include/linux/iio/triggered_buffer.h          |  11 +-
 include/uapi/linux/iio/buffer.h               |   1 +
 18 files changed, 412 insertions(+), 43 deletions(-)

-- 
2.27.0