+int ab8500_gpadc_convert(struct ab8500_gpadc *gpadc, u8 channel)
+{
+ int ad_value;
+ int voltage;
+
+ ad_value = ab8500_gpadc_read_raw(gpadc, channel);
+ if (ad_value < 0) {
+ dev_err(gpadc->dev, "GPADC raw value failed ch: %d\n", channel);
+ return ad_value;
+ }
+
+ voltage = ab8500_gpadc_ad_to_voltage(gpadc, channel, ad_value);
+
+ if (voltage < 0)
+ dev_err(gpadc->dev, "GPADC to voltage conversion failed ch:"
+ " %d AD: 0x%x\n", channel, ad_value);
+
+ return voltage;
+}
+EXPORT_SYMBOL(ab8500_gpadc_convert);
+
+/**
+ * ab8500_gpadc_read_raw() - gpadc read
+ * @channel: analog channel to be read
+ *
+ * This function obtains the raw ADC value, this then needs
+ * to be converted by calling ab8500_gpadc_ad_to_voltage()
+ */
+int ab8500_gpadc_read_raw(struct ab8500_gpadc *gpadc, u8 channel)