> On Tuesday 23 June 2009 13:16:16 ext Mark Brown wrote: > > On Tue, Jun 23, 2009 at 08:38:20AM +0300, Peter Ujfalusi wrote: > > > Now if you start an audio playback (which will enable the > > > ARXL1, even if we are in Option2), than you stop it: the > > > ARXL1 (which is VRX in Option2) bit will be turned off... > > > Now I'm not sure how this will be handled by > > > the ASoC core. > > > What I mean is: One path enabled this bit, than another > > > path also enables the same bit, than it disables it. Will > > > the first path notice it? Or will it think that the bit > > > is still enabled? > > Sounds like a possible case for a supply widget, though the > > fact that you've got both option 1 and option 2 is fun. > Well I use the fun word for a bit different things... > I have to check what actually the supply widget supposed to > be doing and what is it for. > > If the driver were a proper platform driver you could select > > between option 1 and option 2 in platform data (assuming > > that's sensible) and register different widgets > > depending on which was in use. If we register widgets based on an option passed through platform data, then we won't be able to switch between options, right? I think switching between option1/2 during runtime is needed, otherwise 4-channels and voice support will be mutually exclusive. > I have been looking at this. It does not seamed that > complicated. I had written some of the code, but than it > turned out a bit more complicated: > In twl4030 series the Vibra interface also reside inside of > the CODEC part. > in short: twl4030 is a MFD, than the TWL4030 codec itself > also and MFD.. > So in order to get this in a proper way, this should be > handled somehow (another 'fake' MFD for the twl4030 codec/vibra > perhaps). > This is still in my list, but certainly need more time to get > a reasonable good implementation. > -- > Péter _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
