On Wed, Mar 05, 2014 at 10:16:17PM +0100, Clemens Ladisch wrote: > commit 1f91ecc14deea9461aca93273d78871ec4d98fcd upstream. > > When selecting the audio output destinations (headphones, FP headphones, > multichannel output), unnecessary I2S channels are digitally muted to > avoid invalid signal levels on the other outputs. > > Signed-off-by: Roman Volkov <v1ron@xxxxxxx> > Signed-off-by: Clemens Ladisch <clemens@xxxxxxxxxx> > --- > sound/pci/oxygen/xonar_dg.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/sound/pci/oxygen/xonar_dg.c b/sound/pci/oxygen/xonar_dg.c > index 77acd79..fec8f02 100644 > --- a/sound/pci/oxygen/xonar_dg.c > +++ b/sound/pci/oxygen/xonar_dg.c > @@ -294,6 +294,16 @@ static int output_switch_put(struct snd_kcontrol *ctl, > oxygen_write16_masked(chip, OXYGEN_GPIO_DATA, > data->output_sel == 1 ? GPIO_HP_REAR : 0, > GPIO_HP_REAR); > + oxygen_write8_masked(chip, OXYGEN_PLAY_ROUTING, > + data->output_sel == 0 ? > + OXYGEN_PLAY_MUTE01 : > + OXYGEN_PLAY_MUTE23 | > + OXYGEN_PLAY_MUTE45 | > + OXYGEN_PLAY_MUTE67, > + OXYGEN_PLAY_MUTE01 | > + OXYGEN_PLAY_MUTE23 | > + OXYGEN_PLAY_MUTE45 | > + OXYGEN_PLAY_MUTE67); > } > mutex_unlock(&chip->mutex); > return changed; > -- > To unsubscribe from this list: send the line "unsubscribe stable" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html It looks like kernels as old as 3.2 are affected; could you please clarify which stable kernels would you like to have this applied to? Cheers, -- Luís -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html