SUN4I_GPADC_CTRL1
ret = regmap_read(info->regmap, SUN4I_GPADC_CTRL1, ®);
ret = regmap_write(info->regmap, SUN4I_GPADC_CTRL1,
ret = regmap_write(info->regmap, SUN4I_GPADC_CTRL1,
regmap_write(info->regmap, SUN4I_GPADC_CTRL1, 0);
regmap_write(info->regmap, SUN4I_GPADC_CTRL1, info->data->tp_mode_en);