gta01: when charging the current reported should be negative

Reported-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: Paul Fertser <fercerpav@gmail.com>

diff --git a/arch/arm/mach-s3c2410/mach-gta01.c b/arch/arm/mach-s3c2410/mach-gta01.c
index 1021ff5..8a13a4a 100644 (file)
--- a/arch/arm/mach-s3c2410/mach-gta01.c
+++ b/arch/arm/mach-s3c2410/mach-gta01.c
@@ -248,7 +248,7 @@ static int gta01_bat_get_current(void)
        
        adc_battvolt = pcf50606_adc_sync_read(pcf, PCF50606_ADCMUX_BATVOLT_SUBTR);
        adc_adcin1 = pcf50606_adc_sync_read(pcf, PCF50606_ADCMUX_ADCIN1_SUBTR);
-       res = (adc_adcin1 - adc_battvolt) * 2400;
+       res = (adc_battvolt - adc_adcin1) * 2400;
 
        /*rsense is 220 milli */
        return (res * 1000) / (220 * 1024) * 1000;