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video: driver: add support for query buf

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Add handling for VIDIOC_QUERYBUF ioctl in driver.
This can be used to query the status of a buffer
at any time after buffers have been allocated with
the VIDIOC_REQBUFS ioctl.

Partially Fixes: v4l2-compliance:
                test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF.

Change-Id: Ifd014bd8a8b02ce9fa15c62d7583bc8bcfb6756a
Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com>
This commit is contained in:
Dikshita Agarwal
2022-01-28 11:52:04 +05:30
parent 0c0981b43c
commit bf0e8166d8
5 changed files with 58 additions and 0 deletions
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2
driver/vidc/inc/msm_vidc_v4l2.h
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@@ -34,6 +34,8 @@ int msm_v4l2_g_parm(struct file *file, void *fh,
struct v4l2_streamparm *a);
int msm_v4l2_reqbufs(struct file *file, void *fh,
struct v4l2_requestbuffers *b);
int msm_v4l2_querybuf(struct file *file, void *fh,
struct v4l2_buffer *b);
int msm_v4l2_qbuf(struct file *file, void *fh,
struct v4l2_buffer *b);
int msm_v4l2_dqbuf(struct file *file, void *fh,