/* set the update bits */
        reg = wm8731_read_reg_cache(codec, WM8731_LOUT1V);
-       wm8731_write(codec, WM8731_LOUT1V, reg | 0x0100);
+       wm8731_write(codec, WM8731_LOUT1V, reg & ~0x0100);
        reg = wm8731_read_reg_cache(codec, WM8731_ROUT1V);
-       wm8731_write(codec, WM8731_ROUT1V, reg | 0x0100);
+       wm8731_write(codec, WM8731_ROUT1V, reg & ~0x0100);
        reg = wm8731_read_reg_cache(codec, WM8731_LINVOL);
-       wm8731_write(codec, WM8731_LINVOL, reg | 0x0100);
+       wm8731_write(codec, WM8731_LINVOL, reg & ~0x0100);
        reg = wm8731_read_reg_cache(codec, WM8731_RINVOL);
-       wm8731_write(codec, WM8731_RINVOL, reg | 0x0100);
+       wm8731_write(codec, WM8731_RINVOL, reg & ~0x0100);
 
        wm8731_add_controls(codec);
        wm8731_add_widgets(codec);