RKISP1_CIF_ISP_HIST_CTRL_V12
hist_ctrl = rkisp1_read(params->rkisp1, RKISP1_CIF_ISP_HIST_CTRL_V12);
rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_HIST_CTRL_V12, hist_ctrl);
RKISP1_CIF_ISP_HIST_CTRL_V12);
rkisp1_param_set_bits(params, RKISP1_CIF_ISP_HIST_CTRL_V12,
rkisp1_param_clear_bits(params, RKISP1_CIF_ISP_HIST_CTRL_V12,