[libcamera-devel,0/3] Make use of V4L2_CID_NOTIFY_GAINS
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Message ID 20211223080110.9766-1-david.plowman@raspberrypi.com
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  • Make use of V4L2_CID_NOTIFY_GAINS
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David Plowman Dec. 23, 2021, 8:01 a.m. UTC 
Hi everyone

This patch set adds support for the V4L2_CID_NOTIFY_GAINS control and
updates the Raspberry Pi pipeline handler to make use of it. There are
3 patches:

1. Add the V4L2_CID_NOTIFY_GAINS control.

2. Fix integer array controls.

3. Update the Pi PH to send WB gains to the sensor when it exposes
this control.

Thanks!

David

David Plowman (3):
  include: linux: Add V4L2_CID_NOTIFY_GAINS control
  libcamera: v4l2_device: Add support for integer array controls
  ipa: raspberrypi: Update sensor's V4L2_CID_NOTIFY_GAINS control when
    present

 include/libcamera/ipa/raspberrypi.mojom       |  1 +
 include/linux/v4l2-controls.h                 |  1 +
 src/ipa/raspberrypi/raspberrypi.cpp           | 22 +++++++++++++++++++
 .../pipeline/raspberrypi/raspberrypi.cpp      | 10 +++++++++
 src/libcamera/v4l2_device.cpp                 | 12 ++++++++++
 5 files changed, 46 insertions(+)