backwards: Continued attempt to fix audio output

hosts/backwards/modules/boot/default.nix

@@ -41,6 +41,7 @@ in
 
       extraModprobeConfig = ''
         options snd-intel-dspcfg dsp_driver=1
+        options snd_hda_intel power_save=0 power_save_controller=N
       '';
     };
   };