2010/10/14 Valentine Sinitsyn <valentine.sinitsyn@xxxxxxxxx> > Do you mean that you want to add that "subwoofer" control which is >> connected >> the the master mono pin of the codec to the slave controls of the virtual >> master volume control ? >> > Yes, except "subwoofer" control is to be connected to subwoofer's own pin > (for instance, 0x17 on Lenovo machines). Subwoofer pins I've seen so far > have their own output amplifier with mute. > There are laptop which has 2.1 speakers which subwoofer is connected to master mono pin of the STAC codec , The ".1" subwoofer is most likely the result of a Low pass filter attached to the mono pin Seem that your Lenovo are not using ALC670, it is hard to make any comment without knowing the output of alsa-info.sh _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
