lm3630a_write
rval |= lm3630a_write(pchip, REG_BRT_A, pdata->leda_init_brt);
rval |= lm3630a_write(pchip, REG_BRT_B, pdata->ledb_init_brt);
rval = lm3630a_write(pchip, REG_INT_EN, 0x87);
ret = lm3630a_write(pchip, REG_BRT_A, brightness);
ret = lm3630a_write(pchip, REG_BRT_B, brightness);
rval = lm3630a_write(pchip, REG_BRT_A, 0);
rval = lm3630a_write(pchip, REG_BRT_B, 0);
rval = lm3630a_write(pchip, REG_FILTER_STRENGTH, 0x03);
rval |= lm3630a_write(pchip, REG_BOOST, 0x38);
rval |= lm3630a_write(pchip, REG_I_B, 0x1F);