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| author |   Bingbu Cao <bingbu.cao@intel.com> | 2021-07-16 10:06:28 +0200 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2021-09-30 10:07:46 +0200 |
| commit | 3a7438c8ef86c9687d3978f56b4813ebd119c7b5 (patch) | |
| tree | 22e33e6987d6b92ffaed398d676f75ef6a81fd82 /drivers/staging/media | |
| parent | media: v4l2-ctrls: Document V4L2_CID_NOTIFY_GAINS control (diff) | |
| download | linux-dev-3a7438c8ef86c9687d3978f56b4813ebd119c7b5.tar.xz linux-dev-3a7438c8ef86c9687d3978f56b4813ebd119c7b5.zip | |
media: staging: document that Imgu not output auto-exposure statistics
Currently, Imgu can not support output the auto-exposure statistics into
ae_raw_buffer in 3A stats buffer, this patch document it.
Signed-off-by: Bingbu Cao <bingbu.cao@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/staging/media')
| -rw-r--r-- | drivers/staging/media/ipu3/include/uapi/intel-ipu3.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/staging/media/ipu3/include/uapi/intel-ipu3.h b/drivers/staging/media/ipu3/include/uapi/intel-ipu3.h index fa3d6ee5adf2..585f55981c86 100644 --- a/drivers/staging/media/ipu3/include/uapi/intel-ipu3.h +++ b/drivers/staging/media/ipu3/include/uapi/intel-ipu3.h @@ -234,7 +234,9 @@ struct ipu3_uapi_ae_ccm { * struct ipu3_uapi_ae_config - AE config * * @grid_cfg: config for auto exposure statistics grid. See struct - * &ipu3_uapi_ae_grid_config + * &ipu3_uapi_ae_grid_config, as Imgu did not support output + * auto exposure statistics, so user can ignore this configuration + * and use the RGB table in auto-whitebalance statistics instead. * @weights: &IPU3_UAPI_AE_WEIGHTS is based on 32x24 blocks in the grid. * Each grid cell has a corresponding value in weights LUT called * grid value, global histogram is updated based on grid value and @@ -534,6 +536,9 @@ struct ipu3_uapi_ff_status { * * @awb_raw_buffer: auto white balance meta data &ipu3_uapi_awb_raw_buffer * @ae_raw_buffer: auto exposure raw data &ipu3_uapi_ae_raw_buffer_aligned + * current Imgu does not output the auto exposure statistics + * to ae_raw_buffer, the user such as 3A algorithm can use the + * RGB table in &ipu3_uapi_awb_raw_buffer to do auto-exposure. * @af_raw_buffer: &ipu3_uapi_af_raw_buffer for auto focus meta data * @awb_fr_raw_buffer: value as specified by &ipu3_uapi_awb_fr_raw_buffer * @stats_4a_config: 4a statistics config as defined by &ipu3_uapi_4a_config. |