1 files changed, 2 insertions, 1 deletions

diff --git a/firmware/drivers/pcf50606.c b/firmware/drivers/pcf50606.c
index 969f7e5c28..af2c2ca2eb 100644
--- a/firmware/drivers/pcf50606.c
+++ b/firmware/drivers/pcf50606.c
@@ -259,7 +259,7 @@ static void set_voltages(void)
 {
     static const unsigned char buf[5] =
         {
-            0xf4,   /* IOREGC = 3.3V, ON in all states */
+            0xf4,   /* IOREGC = 2.9V, ON in all states */
             0xef,   /* D1REGC = 2.4V, ON in all states */
             0x18,   /* D2REGC = 3.3V, OFF in all states */
             0xf0,   /* D3REGC = 2.5V, ON in all states */
@@ -283,6 +283,7 @@ void pcf50606_init(void)
 
     pcf50606_write(0x08, 0x60); /* Wake on USB and charger insertion */
     pcf50606_write(0x09, 0x05); /* USB and ON key debounce: 14ms */
+    pcf50606_write(0x29, 0x1C); /* Disable the unused MBC module */
     
      /* Backlight PWM = 512Hz 50/50 */
     /*pcf50606_write(0x35, 0x13);*/