2 files changed, 2 insertions, 2 deletions

diff --git a/firmware/target/arm/ipod/1g2g/powermgmt-1g2g.c b/firmware/target/arm/ipod/1g2g/powermgmt-1g2g.c
index 1bc5de9986..c3eca14332 100644
--- a/firmware/target/arm/ipod/1g2g/powermgmt-1g2g.c
+++ b/firmware/target/arm/ipod/1g2g/powermgmt-1g2g.c
@@ -57,7 +57,7 @@ const unsigned short percent_to_volt_charge[11] =
 /* full-scale ADC readout (2^8) in millivolt */
 
 /* Returns battery voltage from ADC [millivolts] */
-unsigned int battery_adc_voltage(void)
+int _battery_voltage(void)
 {
     unsigned adcval = adc_read(ADC_UNREG_POWER);
 
diff --git a/firmware/target/arm/ipod/powermgmt-ipod-pcf.c b/firmware/target/arm/ipod/powermgmt-ipod-pcf.c
index 44e908a4a2..1241f47302 100644
--- a/firmware/target/arm/ipod/powermgmt-ipod-pcf.c
+++ b/firmware/target/arm/ipod/powermgmt-ipod-pcf.c
@@ -109,7 +109,7 @@ const unsigned short percent_to_volt_charge[11] =
 /* full-scale ADC readout (2^10) in millivolt */
 
 /* Returns battery voltage from ADC [millivolts] */
-unsigned int battery_adc_voltage(void)
+int _battery_voltage(void)
 {
     return (adc_read(ADC_UNREG_POWER) * BATTERY_SCALE_FACTOR) >> 10;
 }