hwa742_read_reg
conf = hwa742_read_reg(HWA742_CONFIG_REG);
b = hwa742_read_reg(HWA742_NDP_CTRL);
b = hwa742_read_reg(HWA742_NDP_CTRL);
pix_clk_src = hwa742_read_reg(HWA742_CLK_SRC_REG);
sys_div = (hwa742_read_reg(HWA742_PLL_DIV_REG) & 0x3f) + 1;
sys_mul = (hwa742_read_reg(HWA742_PLL_4_REG) & 0x7f) + 1;
hsw = hwa742_read_reg(HWA742_HS_W_REG);
vsw = hwa742_read_reg(HWA742_VS_W_REG);
hdisp = (hwa742_read_reg(HWA742_H_DISP_REG) & 0x7f) * 8;
vdisp = hwa742_read_reg(HWA742_V_DISP_1_REG) +
((hwa742_read_reg(HWA742_V_DISP_2_REG) & 0x3) << 8);
hndp = hwa742_read_reg(HWA742_H_NDP_REG) & 0x7f;
vndp = hwa742_read_reg(HWA742_V_NDP_REG);
b = hwa742_read_reg(HWA742_NDP_CTRL);
if (hwa742_read_reg(HWA742_PLL_DIV_REG) & (1 << 7))
rev = hwa742_read_reg(HWA742_REV_CODE_REG);
if (!(hwa742_read_reg(HWA742_PLL_DIV_REG) & 0x80)) {