MTK_KPD_SEL
regmap_update_bits(keypad->regmap, MTK_KPD_SEL,
regmap_update_bits(keypad->regmap, MTK_KPD_SEL, MTK_KPD_SEL_ROW,
regmap_update_bits(keypad->regmap, MTK_KPD_SEL, MTK_KPD_SEL_COL,