[PATCH v2 0/3] media: vimc: Allow multiple capture devices to use the same sensor

From: Kaaira Gupta
Date: Fri Jul 24 2020 - 08:02:36 EST

This is version 2 of the patch series posted by Niklas for allowing
multiple streams in VIMC.
The original series can be found here:

This series adds support for two (or more) capture devices to be
connected to the same sensors and run simultaneously. Each capture device
can be started and stopped independent of each other.

Patch 1/3 and 2/3 deals with solving the issues that arises once two
capture devices can be part of the same pipeline. While 3/3 allows for
two capture devices to be part of the same pipeline and thus allows for
simultaneously use.

Changes since v1:
- All three patches rebased on latest media-tree.
Patch 3:
- Search for an entity with a non-NULL pipe instead of searching
for sensor. This terminates the search at output itself.

Kaaira Gupta (3):
media: vimc: Add usage count to subdevices
media: vimc: Serialize vimc_streamer_s_stream()
media: vimc: Join pipeline if one already exists

.../media/test-drivers/vimc/vimc-capture.c | 35 ++++++++++++++++++-
.../media/test-drivers/vimc/vimc-debayer.c | 8 +++++
drivers/media/test-drivers/vimc/vimc-scaler.c | 8 +++++
drivers/media/test-drivers/vimc/vimc-sensor.c | 9 ++++-
.../media/test-drivers/vimc/vimc-streamer.c | 23 +++++++-----
5 files changed, 73 insertions(+), 10 deletions(-)