touch: fix regulator min voltage during deinit

voltage range should fall in between regulator supported range.
updated min voltage from zero to regulator min voltage.

Change-Id: I3df1e2638d69348b0550d175063df2e3ac65cf0d
Signed-off-by: Surya Teja Kudiri <[email protected]>

pt/pt_core.c

@@ -10383,7 +10383,8 @@ static int pt_enable_regulator(struct pt_core_data *cd, bool en)
 disable_vcc_i2c_reg:
 	if (cd->vcc_i2c) {
 		if (regulator_count_voltages(cd->vcc_i2c) > 0)
-			regulator_set_voltage(cd->vcc_i2c, 0, FT_I2C_VTG_MAX_UV);
+			regulator_set_voltage(cd->vcc_i2c, FT_I2C_VTG_MIN_UV,
+						FT_I2C_VTG_MAX_UV);
 
 		regulator_disable(cd->vcc_i2c);
 	}
@@ -10391,7 +10392,8 @@ disable_vcc_i2c_reg:
 disable_vdd_reg:
 	if (cd->vdd) {
 		if (regulator_count_voltages(cd->vdd) > 0)
-			regulator_set_voltage(cd->vdd, 0, FT_VTG_MAX_UV);
+			regulator_set_voltage(cd->vdd, FT_VTG_MIN_UV,
+						FT_VTG_MAX_UV);
 
 		regulator_disable(cd->vdd);
 	}