Ticket #193: pmu-allow-neg-current.patch

drivers/i2c/chips/pcf50606.c

@@ -949 +949 @@
 }
 static DEVICE_ATTR(battemp, S_IRUGO | S_IWUSR, show_battemp, NULL);
 
-static inline u_int16_t adc_to_chg_milliamps(struct pcf50606_data *pcf,
+static inline int16_t adc_to_chg_milliamps(struct pcf50606_data *pcf,
                                              u_int16_t adc_adcin1,
                                              u_int16_t adc_batvolt)
 {
-        u_int32_t res = ((adc_adcin1 - adc_batvolt) * 6000);
+        int32_t res = ((adc_adcin1 - adc_batvolt) * 6000);
         return res / (pcf->pdata->r_sense_milli * 1024 / 1000);
 }
 
@@ -963 +963 @@
         struct i2c_client *client = to_i2c_client(dev);
         struct pcf50606_data *pcf = i2c_get_clientdata(client);
         u_int16_t adc_batvolt, adc_adcin1;
-        u_int16_t ma;
+        int16_t ma;
 
         adc_batvolt = adc_read(pcf, PCF50606_ADCMUX_BATVOLT_ADCIN1,
                                &adc_adcin1);
         ma = adc_to_chg_milliamps(pcf, adc_adcin1, adc_batvolt);
 
-        return sprintf(buf, "%u\n", ma);
+        return sprintf(buf, "%i\n", ma);
 }
 static DEVICE_ATTR(chgcur, S_IRUGO | S_IWUSR, show_chgcur, NULL);