Hi Arun, On Tue, Aug 6, 2013 at 11:11 AM, Arun Raghavan <arun.raghavan at collabora.co.uk> wrote: > On Tue, 2013-08-06 at 11:00 -0700, Felipe Tonello wrote: >> Hi Arun, >> >> On Mon, Aug 5, 2013 at 8:43 PM, Arun Raghavan >> <arun.raghavan at collabora.co.uk> wrote: >> > On Mon, 2013-08-05 at 11:43 -0700, Felipe Tonello wrote: >> >> Hi all, >> >> >> >> I'm using UCM configurations to handle multiple devices and >> >> playback/capture mixer controls. It seems that PA UCM implementation >> >> just store the PlaybackVolume PlaybackSwitch properties but doesn't >> >> make any usage of it. >> >> >> >> What I want to do is basically to be able to change hardware volume >> >> instead of just software volume. When I plug a Headphone, for >> >> instance, I want PA to change the volume of the alsa control that I >> >> specified by PlaybackVolume in the UCM file not just the sink volume. >> >> >> >> Is that possible to do? Does it require a patch or some work? >> > >> > It is possible of course, but hasn't been implemented (yet). >> >> I will probably need this use case. I hope to send a patch in a few >> weeks to come. > > Excellent! > >> > >> >> Also, jack support for UCM seems to have a bug. For when using UCM >> >> support, when I start PA or change a card profile with a jack >> >> previously plugged, it doesn't recognizes that unless I unplug and >> >> plug again. >> > >> > David was looking into hooking up jack detection with UCM, so might have >> > some more useful information for you. >> >> Actually I realized was probably a problem in my UCM configuration. >> Now it seems to be ok. >> >> > >> >> Any comments on that as well? >> >> >> >> OBS: I'm using PA 3.0. >> > >> > You'd also mentioned the problem with modem PCMs on IRC. I think we >> > really don't have much choice here but to go with the >> > PA_SINK_ALWAYS_RUNNING flag that I'd posted earlier, coupled with adding >> > a field in the UCM to signal that this needs to be set. >> >> I saw your patch. It was not upstreamed right? Also, how would you set >> that flag in run-time? > > Correct about the former (though I'll likely rebase and resubmit it at > some point soon). As for applying it at run time, we could add a value > known to PA in the UCM 'Value' section, and then have our UCM processing > set the flag based on that. Yes, that will be great. what I'm doing now, which is a terrible workaround but I now is a temporary fix, is to don't stop writing to the sink until the call is over. :) Felipe Tonello
