alsa: add get_mute and set_mute

Signed-off-by: Mattias Andrée <maandree@operamail.com>

2 files changed, 25 insertions, 1 deletions

diff --git a/TODO b/TODO
index 1836ee5..beda40e 100644
--- a/TODO
+++ b/TODO
@@ -47,5 +47,6 @@ Demo plugins:
      vmstat
      weather
      hdparm
+     alsa :: get_mute, set_mute, set_volume
 
 Terminal mode
diff --git a/src/plugins/alsa.py b/src/plugins/alsa.py
index b955130..e9f144f 100644
--- a/src/plugins/alsa.py
+++ b/src/plugins/alsa.py
@@ -67,7 +67,7 @@ class ALSA:
     
     def set_volume(self, volume, channel = -1):
         '''
-        set the volume for a channel on the mixer
+        Set the volume for a channel on the mixer
         
         @param  volume:int?  The [0, 100] volume for the channel, `None` to mute the channel
         @param  channel:int  The index of the channel, `ALSA.ALL_CHANNELS` (-1) for all channels
@@ -82,6 +82,29 @@ class ALSA:
                 pass # some mixers do not have mute switch
     
     
+    def get_mute(self):
+        '''
+        Get the mute status for each channel on the mixer
+        
+        @return  :list<bool>  Whether mixer is muted for each channel
+        '''
+        self.mixer = alsaaudio.Mixer(self.mixername, 0, self.cardindex)
+        try:
+            return [m == 1 for m in self.mixer.getmute()]
+        except:
+            return [False] * len(self.mixer.getvolume())
+    
+    
+    def set_mute(self, mute, channel = -1):
+        '''
+        Set the mute status on the mixer
+        
+        @param  mute:bool    Whether the mixer should be muted on the channel
+        @param  channel:int  The index of the channel, `ALSA.ALL_CHANNELS` (-1) for all channels
+        '''
+        self.mixer.setmute(mute, channel)
+    
+    
     @staticmethod
     def get_cards():
         '''