A lot of the members of the default struct values used by the CSS API
were explicitly initialized to zero values.  Designated initializers
have allowed these members to be removed.

Signed-off-by: Jeremy Sowden <jer...@azazel.net>
---
 .../hive_isp_css_common/input_formatter_global.h   |  16 ---
 .../pci/atomisp2/css2400/ia_css_frame_public.h     |  17 ----
 .../atomisp/pci/atomisp2/css2400/ia_css_pipe.h     |  44 +--------
 .../pci/atomisp2/css2400/ia_css_pipe_public.h      |  78 ---------------
 .../atomisp/pci/atomisp2/css2400/ia_css_types.h    |  47 +--------
 .../isp/kernels/s3a/s3a_1.0/ia_css_s3a_types.h     | 109 ---------------------
 .../kernels/sdis/common/ia_css_sdis_common_types.h |  34 -------
 .../runtime/binary/interface/ia_css_binary.h       |  88 ++---------------
 .../isp_param/interface/ia_css_isp_param_types.h   |   9 --
 .../runtime/pipeline/interface/ia_css_pipeline.h   |   6 --
 .../atomisp/pci/atomisp2/css2400/sh_css_legacy.h   |   7 --
 .../atomisp/pci/atomisp2/css2400/sh_css_metrics.h  |   7 --
 12 files changed, 20 insertions(+), 442 deletions(-)

diff --git 
a/drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/input_formatter_global.h
 
b/drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/input_formatter_global.h
index 4ce352986296..7558f4964313 100644
--- 
a/drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/input_formatter_global.h
+++ 
b/drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/input_formatter_global.h
@@ -107,22 +107,6 @@ struct input_formatter_cfg_s {
        uint32_t        block_no_reqs;
 };
 
-#define DEFAULT_IF_CONFIG \
-(struct input_formatter_cfg_s) { \
-       .start_line             = 0, \
-       .start_column           = 0, \
-       .left_padding           = 0, \
-       .cropped_height         = 0, \
-       .cropped_width          = 0, \
-       .deinterleaving         = 0, \
-       .buf_vecs               = 0, \
-       .buf_start_index        = 0, \
-       .buf_increment          = 0, \
-       .buf_eol_offset         = 0, \
-       .is_yuv420_format       = false, \
-       .block_no_reqs          = false \
-}
-
 extern const hrt_address HIVE_IF_SRST_ADDRESS[N_INPUT_FORMATTER_ID];
 extern const hrt_data HIVE_IF_SRST_MASK[N_INPUT_FORMATTER_ID];
 extern const uint8_t HIVE_IF_SWITCH_CODE[N_INPUT_FORMATTER_ID];
diff --git 
a/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_frame_public.h 
b/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_frame_public.h
index 634eca325f07..0beb7347a4f3 100644
--- a/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_frame_public.h
+++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_frame_public.h
@@ -122,18 +122,8 @@ struct ia_css_frame_info {
 
 #define IA_CSS_BINARY_DEFAULT_FRAME_INFO \
 (struct ia_css_frame_info) { \
-       .res                    = (struct ia_css_resolution) { \
-                                       .width = 0, \
-                                       .height = 0 \
-                               }, \
-       .padded_width           = 0, \
        .format                 = IA_CSS_FRAME_FORMAT_NUM,  \
-       .raw_bit_depth          = 0, \
        .raw_bayer_order        = IA_CSS_BAYER_ORDER_NUM, \
-       .crop_info              = (struct ia_css_crop_info) { \
-                                       .start_column   = 0, \
-                                       .start_line     = 0 \
-                               }, \
 }
 
 /**
@@ -196,16 +186,9 @@ struct ia_css_frame {
 #define DEFAULT_FRAME \
 (struct ia_css_frame) { \
        .info                   = IA_CSS_BINARY_DEFAULT_FRAME_INFO, \
-       .data                   = 0, \
-       .data_bytes             = 0, \
        .dynamic_queue_id       = SH_CSS_INVALID_QUEUE_ID, \
        .buf_type               = IA_CSS_BUFFER_TYPE_INVALID, \
        .flash_state            = IA_CSS_FRAME_FLASH_STATE_NONE, \
-       .exp_id                 = 0, \
-       .isp_config_id          = 0, \
-       .valid                  = false, \
-       .contiguous             = false, \
-       .planes                 = { 0 } \
 }
 
 /* @brief Fill a frame with zeros
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_pipe.h 
b/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_pipe.h
index fa5e3f6b85a8..522238ec8899 100644
--- a/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_pipe.h
+++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_pipe.h
@@ -39,16 +39,11 @@ struct ia_css_preview_settings {
        struct ia_css_pipe *acc_pipe;
 };
 
-#define IA_CSS_DEFAULT_PREVIEW_SETTINGS  \
+#define IA_CSS_DEFAULT_PREVIEW_SETTINGS \
 (struct ia_css_preview_settings) { \
        .copy_binary    = IA_CSS_BINARY_DEFAULT_SETTINGS, \
        .preview_binary = IA_CSS_BINARY_DEFAULT_SETTINGS, \
        .vf_pp_binary   = IA_CSS_BINARY_DEFAULT_SETTINGS, \
-       .delay_frames   = { NULL }, \
-       .tnr_frames     = { NULL }, \
-       .copy_pipe      = NULL, \
-       .capture_pipe   = NULL, \
-       .acc_pipe       = NULL, \
 }
 
 struct ia_css_capture_settings {
@@ -73,17 +68,12 @@ struct ia_css_capture_settings {
 (struct ia_css_capture_settings) { \
        .copy_binary            = IA_CSS_BINARY_DEFAULT_SETTINGS, \
        .primary_binary         = {IA_CSS_BINARY_DEFAULT_SETTINGS}, \
-       .num_primary_stage      = 0, \
        .pre_isp_binary         = IA_CSS_BINARY_DEFAULT_SETTINGS, \
        .anr_gdc_binary         = IA_CSS_BINARY_DEFAULT_SETTINGS, \
        .post_isp_binary        = IA_CSS_BINARY_DEFAULT_SETTINGS, \
        .capture_pp_binary      = IA_CSS_BINARY_DEFAULT_SETTINGS, \
        .vf_pp_binary           = IA_CSS_BINARY_DEFAULT_SETTINGS, \
        .capture_ldc_binary     = IA_CSS_BINARY_DEFAULT_SETTINGS, \
-       .yuv_scaler_binary      = NULL, \
-       .delay_frames           = { NULL }, \
-       .is_output_stage        = NULL, \
-       .num_yuv_scaler         = 0, \
 }
 
 struct ia_css_video_settings {
@@ -106,17 +96,9 @@ struct ia_css_video_settings {
 
 #define IA_CSS_DEFAULT_VIDEO_SETTINGS \
 (struct ia_css_video_settings) { \
-       .copy_binary            = IA_CSS_BINARY_DEFAULT_SETTINGS, \
-       .video_binary           = IA_CSS_BINARY_DEFAULT_SETTINGS, \
-       .vf_pp_binary           = IA_CSS_BINARY_DEFAULT_SETTINGS, \
-       .yuv_scaler_binary      = NULL, \
-       .delay_frames           = { NULL }, \
-       .tnr_frames             = { NULL }, \
-       .vf_pp_in_frame         = NULL, \
-       .copy_pipe              = NULL, \
-       .capture_pipe           = NULL, \
-       .is_output_stage        = NULL, \
-       .num_yuv_scaler         = 0, \
+       .copy_binary    = IA_CSS_BINARY_DEFAULT_SETTINGS, \
+       .video_binary   = IA_CSS_BINARY_DEFAULT_SETTINGS, \
+       .vf_pp_binary   = IA_CSS_BINARY_DEFAULT_SETTINGS, \
 }
 
 struct ia_css_yuvpp_settings {
@@ -131,13 +113,7 @@ struct ia_css_yuvpp_settings {
 
 #define IA_CSS_DEFAULT_YUVPP_SETTINGS \
 (struct ia_css_yuvpp_settings) { \
-       .copy_binary            = IA_CSS_BINARY_DEFAULT_SETTINGS, \
-       .yuv_scaler_binary      = NULL, \
-       .vf_pp_binary           = NULL, \
-       .is_output_stage        = NULL, \
-       .num_yuv_scaler         = 0, \
-       .num_vf_pp              = 0, \
-       .num_output             = 0, \
+       .copy_binary    = IA_CSS_BINARY_DEFAULT_SETTINGS, \
 }
 
 struct osys_object;
@@ -186,35 +162,25 @@ struct ia_css_pipe {
 
 #define IA_CSS_DEFAULT_PIPE \
 (struct ia_css_pipe) { \
-       .stop_requested         = false, \
        .config                 = DEFAULT_PIPE_CONFIG, \
        .extra_config           = DEFAULT_PIPE_EXTRA_CONFIG, \
        .info                   = DEFAULT_PIPE_INFO, \
        .mode                   = IA_CSS_PIPE_ID_ACC, /* (pipe_id) */ \
-       .shading_table          = NULL, \
        .pipeline               = DEFAULT_PIPELINE, \
        .output_info            = {IA_CSS_BINARY_DEFAULT_FRAME_INFO}, \
        .bds_output_info        = IA_CSS_BINARY_DEFAULT_FRAME_INFO, \
        .vf_output_info         = {IA_CSS_BINARY_DEFAULT_FRAME_INFO}, \
        .out_yuv_ds_input_info  = IA_CSS_BINARY_DEFAULT_FRAME_INFO, \
        .vf_yuv_ds_input_info   = IA_CSS_BINARY_DEFAULT_FRAME_INFO, \
-       .output_stage           = NULL, \
-       .vf_stage               = NULL, \
        .required_bds_factor    = SH_CSS_BDS_FACTOR_1_00, \
        .dvs_frame_delay        = 1, \
-       .num_invalid_frames     = 0, \
        .enable_viewfinder      = {true}, \
-       .stream                 = NULL, \
        .in_frame_struct        = DEFAULT_FRAME, \
        .out_frame_struct       = DEFAULT_FRAME, \
        .vf_frame_struct        = DEFAULT_FRAME, \
-       .continuous_frames      = { NULL }, \
-       .cont_md_buffers        = { NULL }, \
        .pipe_settings          = { \
                .preview = IA_CSS_DEFAULT_PREVIEW_SETTINGS \
        }, \
-       .scaler_pp_lut          = 0, \
-       .osys_obj               = NULL, \
        .pipe_num               = PIPE_ENTRY_EMPTY_TOKEN, \
 }
 
diff --git 
a/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_pipe_public.h 
b/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_pipe_public.h
index 58f3b5e16daa..002eff7315bb 100644
--- a/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_pipe_public.h
+++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_pipe_public.h
@@ -152,49 +152,6 @@ struct ia_css_pipe_config {
 };
 
 
-#ifdef ISP2401
-/**
- * Default origin of internal frame positioned on shading table.
- */
-#define IA_CSS_PIPE_DEFAULT_INTERNAL_FRAME_ORIGIN_BQS_ON_SCTBL \
-(struct ia_css_coordinate) { .x = 0, .y = 0 }
-
-/**
- * Default settings for newly created pipe configurations.
- */
-#define DEFAULT_PIPE_CONFIG \
-(struct ia_css_pipe_config) { \
-       .mode                   = IA_CSS_PIPE_MODE_PREVIEW, \
-       .isp_pipe_version       = 1, \
-       .input_effective_res    = { 0, 0 }, \
-       .bayer_ds_out_res       = { 0, 0 }, \
-       .capt_pp_in_res         = { 0, 0 }, \
-       .vf_pp_in_res           = { 0, 0 }, \
-       .output_system_in_res   = { 0, 0 }, \
-       .dvs_crop_out_res       = { 0, 0 }, \
-       .output_info            = {IA_CSS_BINARY_DEFAULT_FRAME_INFO}, \
-       .vf_output_info         = {IA_CSS_BINARY_DEFAULT_FRAME_INFO}, \
-       .acc_extension          = NULL, \
-       .acc_stages             = NULL, \
-       .num_acc_stages         = 0, \
-       .default_capture_config = DEFAULT_CAPTURE_CONFIG, \
-       .dvs_envelope           = { 0, 0 }, \
-       .dvs_frame_delay        = IA_CSS_FRAME_DELAY_1, \
-       .acc_num_execs          = -1, \
-       .enable_dz              = false, \
-       .enable_dpc             = false, \
-       .enable_vfpp_bci        = false, \
-       .enable_luma_only       = false, \
-       .enable_tnr             = false, \
-       .p_isp_config           = NULL, \
-       .gdc_in_buffer_res      = { 0, 0 }, \
-       .gdc_in_buffer_offset   = { 0, 0 }, \
-       .internal_frame_origin_bqs_on_sctbl \
-                               = 
IA_CSS_PIPE_DEFAULT_INTERNAL_FRAME_ORIGIN_BQS_ON_SCTBL \
-}
-
-#else
-
 /**
  * Default settings for newly created pipe configurations.
  */
@@ -202,30 +159,13 @@ struct ia_css_pipe_config {
 (struct ia_css_pipe_config) { \
        .mode                   = IA_CSS_PIPE_MODE_PREVIEW, \
        .isp_pipe_version       = 1, \
-       .input_effective_res    = { 0, 0 }, \
-       .bayer_ds_out_res       = { 0, 0 }, \
-       .capt_pp_in_res         = { 0, 0 }, \
-       .vf_pp_in_res           = { 0, 0 }, \
-       .dvs_crop_out_res       = { 0, 0 }, \
        .output_info            = {IA_CSS_BINARY_DEFAULT_FRAME_INFO}, \
        .vf_output_info         = {IA_CSS_BINARY_DEFAULT_FRAME_INFO}, \
-       .acc_extension          = NULL, \
-       .acc_stages             = NULL, \
-       .num_acc_stages         = 0, \
        .default_capture_config = DEFAULT_CAPTURE_CONFIG, \
-       .dvs_envelope           = { 0, 0 }, \
        .dvs_frame_delay        = IA_CSS_FRAME_DELAY_1, \
        .acc_num_execs          = -1, \
-       .enable_dz              = false, \
-       .enable_dpc             = false, \
-       .enable_vfpp_bci        = false, \
-       .p_isp_config           = NULL, \
-       .gdc_in_buffer_res      = { 0, 0 }, \
-       .gdc_in_buffer_offset   = { 0, 0 } \
 }
 
-#endif
-
 /* Pipe info, this struct describes properties of a pipe after it's stream has
  * been created.
  * ~~~** DO NOT ADD NEW FIELD **~~~ This structure will be deprecated.
@@ -270,21 +210,6 @@ struct ia_css_pipe_info {
 /**
  * Defaults for ia_css_pipe_info structs.
  */
-#ifdef ISP2401
-
-#define DEFAULT_PIPE_INFO \
-(struct ia_css_pipe_info) { \
-       .output_info                    = {IA_CSS_BINARY_DEFAULT_FRAME_INFO}, \
-       .vf_output_info                 = {IA_CSS_BINARY_DEFAULT_FRAME_INFO}, \
-       .raw_output_info                = IA_CSS_BINARY_DEFAULT_FRAME_INFO, \
-       .output_system_in_res_info      = { 0, 0 }, \
-       .shading_info                   = DEFAULT_SHADING_INFO, \
-       .grid_info                      = DEFAULT_GRID_INFO, \
-       .num_invalid_frames             = 0 \
-}
-
-#else
-
 #define DEFAULT_PIPE_INFO \
 (struct ia_css_pipe_info) { \
        .output_info            = {IA_CSS_BINARY_DEFAULT_FRAME_INFO}, \
@@ -292,11 +217,8 @@ struct ia_css_pipe_info {
        .raw_output_info        = IA_CSS_BINARY_DEFAULT_FRAME_INFO, \
        .shading_info           = DEFAULT_SHADING_INFO, \
        .grid_info              = DEFAULT_GRID_INFO, \
-       .num_invalid_frames     = 0 \
 }
 
-#endif
-
 /* @brief Load default pipe configuration
  * @param[out] pipe_config The pipe configuration.
  * @return     None
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_types.h 
b/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_types.h
index 25e30bc8a663..a0ddf989fadf 100644
--- a/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_types.h
+++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_types.h
@@ -370,52 +370,20 @@ struct ia_css_shading_info {
        } info;
 };
 
-#ifndef ISP2401
-
-/* Default Shading Correction information of Shading Correction Type 1. */
-#define DEFAULT_SHADING_INFO_TYPE_1 \
-(struct ia_css_shading_info) { \
-       .type = IA_CSS_SHADING_CORRECTION_TYPE_1, \
-       .info = { \
-               .type_1 = { \
-                       .enable                                 = 0, \
-                       .num_hor_grids                          = 0, \
-                       .num_ver_grids                          = 0, \
-                       .bqs_per_grid_cell                      = 0, \
-                       .bayer_scale_hor_ratio_in               = 1, \
-                       .bayer_scale_hor_ratio_out              = 1, \
-                       .bayer_scale_ver_ratio_in               = 1, \
-                       .bayer_scale_ver_ratio_out              = 1, \
-                       .sc_bayer_origin_x_bqs_on_shading_table = 0, \
-                       .sc_bayer_origin_y_bqs_on_shading_table = 0 \
-               } \
-       } \
-}
-
-#else
-
 /* Default Shading Correction information of Shading Correction Type 1. */
 #define DEFAULT_SHADING_INFO_TYPE_1 \
 (struct ia_css_shading_info) { \
        .type = IA_CSS_SHADING_CORRECTION_TYPE_1, \
        .info = { \
                .type_1 = { \
-                       .num_hor_grids                          = 0, \
-                       .num_ver_grids                          = 0, \
-                       .bqs_per_grid_cell                      = 0, \
-                       .bayer_scale_hor_ratio_in               = 1, \
-                       .bayer_scale_hor_ratio_out              = 1, \
-                       .bayer_scale_ver_ratio_in               = 1, \
-                       .bayer_scale_ver_ratio_out              = 1, \
-                       .isp_input_sensor_data_res_bqs          = {0, 0}, \
-                       .sensor_data_res_bqs                    = {0, 0}, \
-                       .sensor_data_origin_bqs_on_sctbl        = {0, 0} \
+                       .bayer_scale_hor_ratio_in       = 1, \
+                       .bayer_scale_hor_ratio_out      = 1, \
+                       .bayer_scale_ver_ratio_in       = 1, \
+                       .bayer_scale_ver_ratio_out      = 1, \
                } \
        } \
 }
 
-#endif
-
 /* Default Shading Correction information. */
 #define DEFAULT_SHADING_INFO   DEFAULT_SHADING_INFO_TYPE_1
 
@@ -439,8 +407,6 @@ struct ia_css_grid_info {
 /* defaults for ia_css_grid_info structs */
 #define DEFAULT_GRID_INFO \
 (struct ia_css_grid_info) { \
-       .isp_in_width   = 0, \
-       .isp_in_height  = 0, \
        .s3a_grid       = DEFAULT_3A_GRID_INFO, \
        .dvs_grid       = DEFAULT_DVS_GRID_INFO, \
        .vamem_type     = IA_CSS_VAMEM_TYPE_1 \
@@ -535,10 +501,7 @@ struct ia_css_capture_config {
 /* default settings for ia_css_capture_config structs */
 #define DEFAULT_CAPTURE_CONFIG \
 (struct ia_css_capture_config) { \
-       .mode                   = IA_CSS_CAPTURE_MODE_PRIMARY, \
-       .enable_xnr             = false, \
-       .enable_raw_output      = false, \
-       .enable_capture_pp_bli  = false \
+       .mode   = IA_CSS_CAPTURE_MODE_PRIMARY, \
 }
 
 
diff --git 
a/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/s3a/s3a_1.0/ia_css_s3a_types.h
 
b/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/s3a/s3a_1.0/ia_css_s3a_types.h
index 3ba736fee525..988a0e272225 100644
--- 
a/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/s3a/s3a_1.0/ia_css_s3a_types.h
+++ 
b/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/s3a/s3a_1.0/ia_css_s3a_types.h
@@ -98,119 +98,10 @@ struct ia_css_3a_grid_info {
 };
 
 
-#if defined(SYSTEM_css_skycam_c0_system)
-#if defined USE_NEW_AE_STRUCT || defined USE_NEW_AWB_STRUCT
-#define DEFAULT_3A_GRID_INFO \
-(struct ia_css_3a_grid_info) { \
-       .ae_enable              = 0, \
-       .ae_grd_info            = (struct ae_public_config_grid_config) { \
-                                       .width = 0, \
-                                       .height = 0, \
-                                       .b_width = 0, \
-                                       .b_height = 0, \
-                                       .x_start = 0, \
-                                       .y_start = 0, \
-                                       .x_end = 0, \
-                                       .y_end = 0 \
-                                 } \
-       .awb_enable             = 0, \
-       .awb_grd_info           = (struct awb_public_config_grid_config) { \
-                                       .width = 0, \
-                                       .height = 0, \
-                                       .b_width = 0, \
-                                       .b_height = 0, \
-                                       .x_start = 0, \
-                                       .y_start = 0, \
-                                       .x_end = 0, \
-                                       .y_end = 0 \
-                                 }     \
-       .af_enable              = 0, \
-       .af_grd_info            = (struct af_public_grid_config) { \
-                                       .width = 0, \
-                                       .height = 0, \
-                                       .b_width = 0, \
-                                       .b_height = 0, \
-                                       .x_start = 0, \
-                                       .y_start = 0, \
-                                       .ff_en = 0 \
-                                 } \
-       .awb_fr_enable          = 0, \
-       .awb_fr_grd_info        = (struct awb_fr_public_grid_config) { \
-                                       .width = 0, \
-                                       .height = 0, \
-                                       .b_width = 0, \
-                                       .b_height = 0, \
-                                       .x_start = 0, \
-                                       .y_start = 0, \
-                                       .ff_en = 0 \
-                                 } \
-       .elem_bit_depth         = 0, \
-}
-#else
 #define DEFAULT_3A_GRID_INFO \
 (struct ia_css_3a_grid_info) { \
-       .ae_enable              = 0, \
-       .ae_grd_info            = (struct ae_public_config_grid_config) { \
-                                       .width = 0, \
-                                       .height = 0, \
-                                       .b_width = 0, \
-                                       .b_height = 0, \
-                                       .x_start = 0, \
-                                       .y_start = 0, \
-                                       .x_end = 0, \
-                                       .y_end = 0 \
-                                 } \
-       .awb_enable             = 0, \
-       .awb_grd_info           = (struct awb_public_config_grid_config) { \
-                                       .width = 0, \
-                                       .height = 0, \
-                                       .b_width = 0, \
-                                       .b_height = 0, \
-                                       .x_start = 0, \
-                                       .y_start = 0, \
-                                       .x_end = 0, \
-                                       .y_end = 0 \
-                                 }     \
-       .af_enable              = 0, \
-       .af_grd_info            = (struct af_public_grid_config) { \
-                                       .width = 0, \
-                                       .height = 0, \
-                                       .b_width = 0, \
-                                       .b_height = 0, \
-                                       .x_start = 0, \
-                                       .y_start = 0, \
-                                       .ff_en = 0 \
-                                 } \
-       .awb_fr_enable          = 0, \
-       .awb_fr_grd_info        = (struct awb_fr_public_grid_config) { \
-                                       .width = 0, \
-                                       .height = 0, \
-                                       .b_width = 0, \
-                                       .b_height = 0, \
-                                       .x_start = 0, \
-                                       .y_start = 0, \
-                                       .ff_en = 0 \
-                                 } \
-       .elem_bit_depth         = 0, \
 }
-#endif /* USE_NEW_AE_STRUCT || defined USE_NEW_AWB_STRUCT */
 
-#else
-#define DEFAULT_3A_GRID_INFO \
-(struct ia_css_3a_grid_info) { \
-       .enable                 = 0, \
-       .use_dmem               = 0, \
-       .has_histogram          = 0, \
-       .width                  = 0, \
-       .height                 = 0, \
-       .aligned_width          = 0, \
-       .aligned_height         = 0, \
-       .bqs_per_grid_cell      = 0, \
-       .deci_factor_log2       = 0, \
-       .elem_bit_depth         = 0, \
-}
-
-#endif
 
 /* This struct should be split into 3, for AE, AWB and AF.
  * However, that will require driver/ 3A lib modifications.
diff --git 
a/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/sdis/common/ia_css_sdis_common_types.h
 
b/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/sdis/common/ia_css_sdis_common_types.h
index b96c5890f615..e867dadd8a83 100644
--- 
a/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/sdis/common/ia_css_sdis_common_types.h
+++ 
b/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/sdis/common/ia_css_sdis_common_types.h
@@ -43,19 +43,6 @@ struct ia_css_sdis_info {
 
 #define IA_CSS_DEFAULT_SDIS_INFO \
 (struct ia_css_sdis_info) { \
-       .grid = { \
-               .dim = (struct ia_css_dvs_grid_dim) { .width = 0, .height = 0 
}, \
-               .pad = (struct ia_css_dvs_grid_dim) { .width = 0, .height = 0 
}, \
-       }, \
-       .coef = { \
-               .dim = (struct ia_css_dvs_grid_dim) { .width = 0, .height = 0 
}, \
-               .pad = (struct ia_css_dvs_grid_dim) { .width = 0, .height = 0 
}, \
-       }, \
-       .proj = { \
-               .dim = (struct ia_css_dvs_grid_dim) { .width = 0, .height = 0 
}, \
-               .pad = (struct ia_css_dvs_grid_dim) { .width = 0, .height = 0 
}, \
-       }, \
-       .deci_factor_log2 = 0, \
 }
 
 
@@ -215,36 +202,15 @@ struct ia_css_dvs_stat_grid_info {
  */
 #define DEFAULT_DVS_STAT_PUBLIC_DVS_GLOBAL_CFG \
 (struct dvs_stat_public_dvs_global_cfg) { \
-       .kappa          = 0, \
-       .match_shift    = 0, \
-       .ybin_mode      = 0, \
 }
 
 #define DEFAULT_DVS_STAT_PUBLIC_DVS_GRD_CFG \
 (struct dvs_stat_public_dvs_grd_cfg) { \
-       .grd_cfg        = (struct dvs_stat_public_dvs_level_grid_cfg) { \
-                               .grid_width = 0, \
-                               .grid_height = 0, \
-                               .block_width = 0, \
-                               .block_height = 0 \
-                       }, \
-       .grd_start      = (struct dvs_stat_public_dvs_level_grid_start) { \
-                               .x_start = 0, \
-                               .y_start = 0, \
-                               .enable = 0 \
-                       }, \
-       .grd_end        = (struct dvs_stat_public_dvs_level_grid_end) { \
-                               .x_end = 0, \
-                               .y_end = 0, \
-                       }, \
 }
 
 #define DEFAULT_DVS_STAT_PUBLIC_DVS_LEVEL_FE_ROI_CFG(X_START) \
 (struct dvs_stat_public_dvs_level_fe_roi_cfg) { \
        .x_start = X_START, \
-       .y_start = 0, \
-       .x_end   = 0, \
-       .y_end   = 0, \
 }
 
 #define DEFAULT_DVS_STAT_GRID_INFO \
diff --git 
a/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/binary/interface/ia_css_binary.h
 
b/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/binary/interface/ia_css_binary.h
index f7685760ba87..c4abddf28670 100644
--- 
a/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/binary/interface/ia_css_binary.h
+++ 
b/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/binary/interface/ia_css_binary.h
@@ -94,14 +94,7 @@ struct ia_css_cas_binary_descr {
 };
 
 #define IA_CSS_DEFAULT_CAS_BINARY_DESCR \
-(struct ia_css_cas_binary_descr) {     \
-       .num_stage              = 0,    \
-       .num_output_stage       = 0,    \
-       .in_info                = NULL, \
-       .internal_out_info      = NULL, \
-       .out_info               = NULL, \
-       .vf_info                = NULL, \
-       .is_output_stage        = NULL, \
+(struct ia_css_cas_binary_descr) { \
 }
 
 struct ia_css_binary_descr {
@@ -171,80 +164,19 @@ struct ia_css_binary {
        struct ia_css_isp_param_css_segments  css_params;
 };
 
-#ifdef ISP2401
-
-#define IA_CSS_BINARY_DEFAULT_SETTINGS \
-(struct ia_css_binary) { \
-       .info                           = NULL, \
-       .input_format                   = IA_CSS_STREAM_FORMAT_YUV420_8_LEGACY, 
\
-       .in_frame_info                  = IA_CSS_BINARY_DEFAULT_FRAME_INFO, \
-       .internal_frame_info            = IA_CSS_BINARY_DEFAULT_FRAME_INFO, \
-       .out_frame_info                 = {IA_CSS_BINARY_DEFAULT_FRAME_INFO}, \
-       .effective_in_frame_res         = { 0, 0 }, \
-       .vf_frame_info                  = IA_CSS_BINARY_DEFAULT_FRAME_INFO, \
-       .input_buf_vectors              = 0, \
-       .deci_factor_log2               = 0, \
-       .vf_downscale_log2              = 0, \
-       .s3atbl_width                   = 0, \
-       .s3atbl_height                  = 0, \
-       .s3atbl_isp_width               = 0, \
-       .s3atbl_isp_height              = 0, \
-       .morph_tbl_width                = 0, \
-       .morph_tbl_aligned_width        = 0, \
-       .morph_tbl_height               = 0, \
-       .sctbl_width_per_color          = 0, \
-       .sctbl_aligned_width_per_color  = 0, \
-       .sctbl_height                   = 0, \
-       .sctbl_legacy_width_per_color   = 0, \
-       .sctbl_legacy_height            = 0, \
-       .dis                            = IA_CSS_DEFAULT_SDIS_INFO, \
-       .dvs_envelope                   = { 0, 0 }, \
-       .online                         = false, \
-       .uds_xc                         = 0, \
-       .uds_yc                         = 0, \
-       .left_padding                   = 0, \
-       .metrics                        = DEFAULT_BINARY_METRICS, \
-       .mem_params                     = IA_CSS_DEFAULT_ISP_MEM_PARAMS, \
-       .css_params                     = IA_CSS_DEFAULT_ISP_CSS_PARAMS, \
-}
-
-#else
-
 #define IA_CSS_BINARY_DEFAULT_SETTINGS \
 (struct ia_css_binary) { \
-       .info                           = NULL, \
-       .input_format                   = IA_CSS_STREAM_FORMAT_YUV420_8_LEGACY, 
\
-       .in_frame_info                  = IA_CSS_BINARY_DEFAULT_FRAME_INFO, \
-       .internal_frame_info            = IA_CSS_BINARY_DEFAULT_FRAME_INFO, \
-       .out_frame_info                 = {IA_CSS_BINARY_DEFAULT_FRAME_INFO}, \
-       .effective_in_frame_res         = { 0, 0 }, \
-       .vf_frame_info                  = IA_CSS_BINARY_DEFAULT_FRAME_INFO, \
-       .input_buf_vectors              = 0, \
-       .deci_factor_log2               = 0, \
-       .vf_downscale_log2              = 0, \
-       .s3atbl_width                   = 0, \
-       .s3atbl_height                  = 0, \
-       .s3atbl_isp_width               = 0, \
-       .s3atbl_isp_height              = 0, \
-       .morph_tbl_width                = 0, \
-       .morph_tbl_aligned_width        = 0, \
-       .morph_tbl_height               = 0, \
-       .sctbl_width_per_color          = 0, \
-       .sctbl_aligned_width_per_color  = 0, \
-       .sctbl_height                   = 0, \
-       .dis                            = IA_CSS_DEFAULT_SDIS_INFO, \
-       .dvs_envelope                   = { 0, 0 }, \
-       .online                         = false, \
-       .uds_xc                         = 0, \
-       .uds_yc                         = 0, \
-       .left_padding                   = 0, \
-       .metrics                        = DEFAULT_BINARY_METRICS, \
-       .mem_params                     = IA_CSS_DEFAULT_ISP_MEM_PARAMS, \
-       .css_params                     = IA_CSS_DEFAULT_ISP_CSS_PARAMS, \
+       .input_format           = IA_CSS_STREAM_FORMAT_YUV420_8_LEGACY, \
+       .in_frame_info          = IA_CSS_BINARY_DEFAULT_FRAME_INFO, \
+       .internal_frame_info    = IA_CSS_BINARY_DEFAULT_FRAME_INFO, \
+       .out_frame_info         = {IA_CSS_BINARY_DEFAULT_FRAME_INFO}, \
+       .vf_frame_info          = IA_CSS_BINARY_DEFAULT_FRAME_INFO, \
+       .dis                    = IA_CSS_DEFAULT_SDIS_INFO, \
+       .metrics                = DEFAULT_BINARY_METRICS, \
+       .mem_params             = IA_CSS_DEFAULT_ISP_MEM_PARAMS, \
+       .css_params             = IA_CSS_DEFAULT_ISP_CSS_PARAMS, \
 }
 
-#endif
-
 enum ia_css_err
 ia_css_binary_init_infos(void);
 
diff --git 
a/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/isp_param/interface/ia_css_isp_param_types.h
 
b/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/isp_param/interface/ia_css_isp_param_types.h
index ded3a050d5fb..f9b65eb764d8 100644
--- 
a/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/isp_param/interface/ia_css_isp_param_types.h
+++ 
b/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/isp_param/interface/ia_css_isp_param_types.h
@@ -96,23 +96,14 @@ union ia_css_all_memory_offsets {
 
 #define IA_CSS_DEFAULT_ISP_MEM_PARAMS \
 (struct ia_css_isp_param_host_segments) { \
-       .params = { { \
-               (struct ia_css_host_data) { .address = NULL, .size = 0 } \
-       } } \
 }
 
 #define IA_CSS_DEFAULT_ISP_CSS_PARAMS \
 (struct ia_css_isp_param_css_segments) { \
-       .params = { { \
-               (struct ia_css_data) { .address = 0, .size = 0 } \
-       } } \
 }
 
 #define IA_CSS_DEFAULT_ISP_ISP_PARAMS \
 (struct ia_css_isp_param_isp_segments) { \
-       .params = { { \
-               (struct ia_css_isp_data) { .address = 0, .size = 0 } \
-       } } \
 }
 
 #endif /* _IA_CSS_ISP_PARAM_TYPES_H_ */
diff --git 
a/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/pipeline/interface/ia_css_pipeline.h
 
b/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/pipeline/interface/ia_css_pipeline.h
index 99c8f5f4b92e..85ed7db0af55 100644
--- 
a/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/pipeline/interface/ia_css_pipeline.h
+++ 
b/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/pipeline/interface/ia_css_pipeline.h
@@ -76,16 +76,10 @@ struct ia_css_pipeline {
 #define DEFAULT_PIPELINE \
 (struct ia_css_pipeline) { \
        .pipe_id                = IA_CSS_PIPE_ID_PREVIEW, \
-       .pipe_num               = 0, \
-       .stop_requested         = false, \
-       .stages                 = NULL, \
-       .current_stage          = NULL, \
-       .num_stages             = 0, \
        .in_frame               = DEFAULT_FRAME, \
        .out_frame              = {DEFAULT_FRAME}, \
        .vf_frame               = {DEFAULT_FRAME}, \
        .dvs_frame_delay        = IA_CSS_FRAME_DELAY_1, \
-       .inout_port_config      = 0, \
        .num_execs              = -1, \
        .acquire_isp_each_stage = true, \
        .pipe_qos_config        = QOS_INVALID \
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css_legacy.h 
b/drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css_legacy.h
index f51b817b4a60..6c78a15485f6 100644
--- a/drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css_legacy.h
+++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css_legacy.h
@@ -54,13 +54,6 @@ struct ia_css_pipe_extra_config {
 
 #define DEFAULT_PIPE_EXTRA_CONFIG \
 (struct ia_css_pipe_extra_config) { \
-       .enable_raw_binning     = false, \
-       .enable_yuv_ds          = false, \
-       .enable_high_speed      = false, \
-       .enable_dvs_6axis       = false, \
-       .enable_reduced_pipe    = false, \
-       .enable_fractional_ds   = false, \
-       .disable_vf_pp          = false, \
 }
 
 enum ia_css_err
diff --git 
a/drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css_metrics.h 
b/drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css_metrics.h
index f90ac36a408a..3387e8bafbe7 100644
--- a/drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css_metrics.h
+++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css_metrics.h
@@ -26,10 +26,6 @@ struct sh_css_pc_histogram {
 
 #define DEFAULT_PC_HISTOGRAM \
 (struct sh_css_pc_histogram) { \
-       .length = 0, \
-       .run    = NULL, \
-       .stall  = NULL, \
-       .msink  = NULL \
 }
 
 struct sh_css_binary_metrics {
@@ -42,11 +38,8 @@ struct sh_css_binary_metrics {
 
 #define DEFAULT_BINARY_METRICS \
 (struct sh_css_binary_metrics) { \
-       .mode           = 0, \
-       .id             = 0, \
        .isp_histogram  = DEFAULT_PC_HISTOGRAM, \
        .sp_histogram   = DEFAULT_PC_HISTOGRAM, \
-       .next           = NULL \
 }
 
 struct ia_css_frame_metrics {
-- 
2.15.0

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