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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-11-21 12:21:53 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-11-21 12:21:53 +0300 |
commit | 05df6ab8eba625a1d97eb67ee06d786b8e460685 (patch) | |
tree | 7fed59b7f49fd8d816475ca6b20c95c7f837ca6f /drivers/staging/media/atomisp/notes.txt | |
parent | 1d926e259d8f8195fdfaeea7951149001894b473 (diff) | |
parent | eb7081409f94a9a8608593d0fb63a1aa3d6f95d8 (diff) | |
download | linux-05df6ab8eba625a1d97eb67ee06d786b8e460685.tar.xz |
Merge 6.1-rc6 into driver-core-next
We need the kernfs changes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/media/atomisp/notes.txt')
-rw-r--r-- | drivers/staging/media/atomisp/notes.txt | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/notes.txt b/drivers/staging/media/atomisp/notes.txt index d128b792e05f..d3cf6ed547ae 100644 --- a/drivers/staging/media/atomisp/notes.txt +++ b/drivers/staging/media/atomisp/notes.txt @@ -28,3 +28,22 @@ Since getting a picture requires multiple processing steps, this means that unlike in fixed pipelines the soft pipelines on the ISP can do multiple processing steps in a single pipeline element (in a single binary). + +### + +The sensor drivers use of v4l2_get_subdev_hostdata(), which returns +a camera_mipi_info struct. This struct is allocated/managed by +the core atomisp code. The most important parts of the struct +are filled by the atomisp core itself, like e.g. the port number. + +The sensor drivers on a set_fmt call do fill in camera_mipi_info.data +which is a atomisp_sensor_mode_data struct. This gets filled from +a function called <sensor_name>_get_intg_factor(). This struct is not +used by the atomisp code at all. It is returned to userspace by +a ATOMISP_IOC_G_SENSOR_MODE_DATA and the Android userspace does use this. + +Other members of camera_mipi_info which are set by some drivers are: +-metadata_width, metadata_height, metadata_effective_width, set by + the ov5693 driver (and used by the atomisp core) +-raw_bayer_order, adjusted by the ov2680 driver when flipping since + flipping can change the bayer order |