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video: driver: request api changes for dynamic controls

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- Request api allows to synchronize controls along
  with buffers.
- Client allocates a request fd. This request fd is
  associated with control and set using s_ext_ctrls.
  Such controls are stored by the framework and not
  applied immediately.
- Request fd is also associated with input qbuf and
  queued to driver. Following this actual request is
  queued. Buffers do not enter the queue untill the
  request is queued.
- As part of qbuf, driver call request_setup() which
  inturn sets the control to driver.

Change-Id: I316c4dc2a0091b21059230be5ee5fd6379259456
Signed-off-by: Darshana Patil <quic_darshana@quicinc.com>
This commit is contained in:
Darshana Patil
2022-01-11 17:48:20 -08:00
parent 57c103b1ad
commit acc83ca211
16 changed files with 335 additions and 102 deletions
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driver/vidc/inc/msm_vidc_internal.h
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@@ -14,6 +14,7 @@
#include <media/v4l2-ioctl.h>
#include <media/v4l2-event.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-mem2mem.h>
#include <media/videobuf2-core.h>
#include <media/videobuf2-v4l2.h>