PUD_PULL_DISABLE
pud_val[PUD_PULL_DISABLE] = S5P_PIN_PULL_DISABLE;
pud_val[PUD_PULL_DISABLE] = S3C_PIN_PULL_DISABLE;
pud_val[PUD_PULL_DISABLE] = EXYNOS_PIN_PUD_PULL_DISABLE;
value = drvdata->pud_val[PUD_PULL_DISABLE];