Messages in this thread | | | Date | Mon, 14 Mar 2016 11:49:39 +0100 | From | Maxime Ripard <> | Subject | Re: [linux-sunxi] Re: [PATCH v8 2/2] ASoc: sun4i-codec: Add FM, Line and Mic inputs |
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On Sat, Mar 12, 2016 at 08:52:22AM +0100, Danny Milosavljevic wrote: > Hi, > > does anyone know the answer to the questions below? > > > The other direction (making two controls which both do the same and update > > each other's value) doesn't seem to be easily available. > > > Should I write a _put handler that does it manually? > > > (Or should that be handled by alsa-lib mixer modules instead?) > > > Is it possible to merge the "Left Mixer" control and respective > > "Right Mixer" control into one selem in alsamixer? > > > > Because alsamixer actually has support for one-sided muting.
Mark, do you know how to do it?
IIRC, in order to have shared controls, you just needed to share the controls structure.
> If that's unknown, I can post v9 without doing the grouping-together > of mixer controls and we can use it like that - I don't want the > patch to stall indefinitely on mere usability issues...
Unfortunately, that is exposed to the user-space. Once it's in, you cannot change it / fix it anymore.
Maxime
-- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com [unhandled content-type:application/pgp-signature] | |