audiograb.py: fix Bias and DC mode (tested on XO-1)

1 files changed, 4 insertions, 4 deletions

diff --git a/audiograb.py b/audiograb.py
index e16cab8..ce86d3b 100644
--- a/audiograb.py
+++ b/audiograb.py
@@ -350,22 +350,22 @@ class AudioGrab:
         return self._get_volume(self._master_control, 'master')
 
     def set_bias(self,bias_state=False):
-        self._set_mute(self._mic_bias_control, 'Mic Bias', bias_state)
+        self._set_mute(self._mic_bias_control, 'Mic Bias', not bias_state)
 
     def get_bias(self):
         """Returns the setting of Bias control 
         i.e. True: Enabled and False: Disabled"""
-        return self._get_mute(self._mic_bias_control, 'Mic Bias', True)
+        return not self._get_mute(self._mic_bias_control, 'Mic Bias', False)
 
     def set_dc_mode(self, dc_mode = False):
         """Sets the DC Mode Enable control
         pass False to mute and True to unmute"""
-        self._set_mute(self._dc_control, 'DC mode', dc_mode)
+        self._set_mute(self._dc_control, 'DC mode', not dc_mode)
 
     def get_dc_mode(self):
         """Returns the setting of DC Mode Enable control 
         i .e. True: Unmuted and False: Muted"""
-        return self._get_mute(self._dc_control, 'DC mode', False)
+        return not self._get_mute(self._dc_control, 'DC mode', False)
 
     def set_mic_boost(self, mic_boost=False):
         """Sets the Mic Boost +20dB control