Hi Arun, On Fri, Sep 20, 2013 at 4:57 AM, Arun Raghavan <arun.raghavan at collabora.co.uk> wrote: > This allows us to support the PlaybackVolume and CaptureVolume commands > in UCM, specifying a mixer control to use for hardware volume control. > > This only works with ports corresponding to single devices at the > moment, and doesn't support stacking controls for combination ports. > > On the UCM side, this also requires that when disabling the device for > the port, the volume should be reset to some default. What do you mean by that? > > When enabling/disabling combination devices, things are a bit iffy since > we have no way to reset the volume before switching to a combination > device. It would be nice to have a combination-transition-sequence > command in UCM to handle this and other similar cases. > --- > src/modules/alsa/alsa-sink.c | 69 +++++++++++++++----- > src/modules/alsa/alsa-source.c | 34 ++++++---- > src/modules/alsa/alsa-ucm.c | 126 ++++++++++++++++++++++++++++++++++-- > src/modules/alsa/alsa-ucm.h | 19 +++++- > src/modules/alsa/module-alsa-card.c | 4 +- > 5 files changed, 215 insertions(+), 37 deletions(-) > Are the devices shared between sinks? For instance, is the pa_alsa_path freed when the sink is freed? If that happens will cause a problem when we change the card profile. Regards, Felipe Tonello
