[alsa-devel] [PATCH] ASoC: Intel: kbl: Modify Headset map for Multi-Playback

[Vinod Koul]

On Fri, Nov 03, 2017 at 02:18:34PM +0530, Naveen M wrote:
> On Fri, Nov 03, 2017 at 01:51:00PM +0530, Vinod Koul wrote:
> > On Fri, Nov 03, 2017 at 08:58:17AM +0530, Naveen Manohar wrote:
> > > Current topology for Headset resulted in unwanted pop noise,
> > > while switching from spk->hs at the start of Headset Playback.
> > 
> > what is the reason for the pop ?
> > 
> There is an artifact observed at the start of the stream, which is not
> seen earlier with mixin-mixout dsp module, through which data was
> passing-through.
> 
> > > Modified topology to fix the same.
> > 
> > how does that fix it, sorry am quite unclear about that part
> > 
> Only for headset playback pipe, we re-introduced the mixin-mixout which
> was there earlier. This does not fix the problem but removes regression
> (pop-noise in headset playback) introduced by earlier
> commit-ID:0b06122fc8d0949a0aa7b817d98e031104802611

Then please mention that in the log. IIUC you should say it fixes the wrong
path in commit 0b06122fc8d0 ("ASoC: Intel: kbl: Add map for new DAIs for
Multi-Playback & Echo Ref") which resulted in pop noise.

> 
> > > This modification also requires headset route to be updated.
> > 
> > that seems to be the only change here, so not sure I follow the changes dont
> > for this
> >
> As the topology was modified to earlier path, earlier route change was
> reverted for headset playback.
> 
> > > 
> > > Signed-off-by: Naveen Manohar <naveen.m at intel.com>
> > > Signed-off-by: Sathya Prakash M R <sathya.prakash.m.r at intel.com>
> > > ---
> > >  sound/soc/intel/boards/kbl_rt5663_max98927.c        | 2 +-
> > >  sound/soc/intel/boards/kbl_rt5663_rt5514_max98927.c | 2 +-
> > >  2 files changed, 2 insertions(+), 2 deletions(-)
> > > 
> > > diff --git a/sound/soc/intel/boards/kbl_rt5663_max98927.c b/sound/soc/intel/boards/kbl_rt5663_max98927.c
> > > index 6f9a8bc..6dcad0a 100644
> > > --- a/sound/soc/intel/boards/kbl_rt5663_max98927.c
> > > +++ b/sound/soc/intel/boards/kbl_rt5663_max98927.c
> > > @@ -101,7 +101,7 @@ enum {
> > >  	{ "ssp0 Tx", NULL, "spk_out" },
> > >  
> > >  	{ "AIF Playback", NULL, "ssp1 Tx" },
> > > -	{ "ssp1 Tx", NULL, "hs_out" },
> > > +	{ "ssp1 Tx", NULL, "codec1_out" },
> > >  
> > >  	{ "hs_in", NULL, "ssp1 Rx" },
> > >  	{ "ssp1 Rx", NULL, "AIF Capture" },
> > > diff --git a/sound/soc/intel/boards/kbl_rt5663_rt5514_max98927.c b/sound/soc/intel/boards/kbl_rt5663_rt5514_max98927.c
> > > index 6072164..271ae3c 100644
> > > --- a/sound/soc/intel/boards/kbl_rt5663_rt5514_max98927.c
> > > +++ b/sound/soc/intel/boards/kbl_rt5663_rt5514_max98927.c
> > > @@ -109,7 +109,7 @@ enum {
> > >  	{ "ssp0 Tx", NULL, "spk_out" },
> > >  
> > >  	{ "AIF Playback", NULL, "ssp1 Tx" },
> > > -	{ "ssp1 Tx", NULL, "hs_out" },
> > > +	{ "ssp1 Tx", NULL, "codec1_out" },
> > >  
> > >  	{ "hs_in", NULL, "ssp1 Rx" },
> > >  	{ "ssp1 Rx", NULL, "AIF Capture" },
> > > -- 
> > > 1.9.1
> > > 
> > 
> > -- 
> > ~Vinod
> 
> -- 

-- 
~Vinod