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Re: [linux-sunxi] Re: [PATCH v8 2/2] ASoc: sun4i-codec: Add FM, Line and Mic inputs

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  Re: [linux-sunxi] Re: [PATCH v8 2/2] ASoc: sun4i-codec: Add FM,  Line and Mic inputs Danny Milosavljevic <dannym@scratchpost.org> - 2016-03-12 09:00 +0100
    Re: [linux-sunxi] Re: [PATCH v8 2/2] ASoc: sun4i-codec: Add FM, Line  and Mic inputs Code Kipper <codekipper@gmail.com> - 2016-03-12 09:40 +0100
    Re: [linux-sunxi] Re: [PATCH v8 2/2] ASoc: sun4i-codec: Add FM, Line  and Mic inputs Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-03-14 11:50 +0100
      Re: [linux-sunxi] Re: [PATCH v8 2/2] ASoc: sun4i-codec: Add FM, Line  and Mic inputs Mark Brown <broonie@kernel.org> - 2016-03-15 12:00 +0100

#1356367 — Re: [linux-sunxi] Re: [PATCH v8 2/2] ASoc: sun4i-codec: Add FM, Line and Mic inputs

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.

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...

Regards,
    Danny

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#1356377 — Re: [linux-sunxi] Re: [PATCH v8 2/2] ASoc: sun4i-codec: Add FM, Line and Mic inputs

Hi Danny,
I've got some patches to go which covers pretty much everything that
we can manage with the sun4i-codec. I'm only lacking testing of
certain bits as I don't have capable hardware(i.e. FM capture). I've
ignored the phone out part of the A20 as I couldn't find the pins.
I'll try to upload them to my github this weekend. You should have
authorship on some of these so when I send the link feel free to
claim.
BR,
CK

On 12 March 2016 at 08:52, Danny Milosavljevic <dannym@scratchpost.org> 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.
>
> 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...
>
> Regards,
>     Danny
>
> --
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#1357140 — 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

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#1357984 — Re: [linux-sunxi] Re: [PATCH v8 2/2] ASoc: sun4i-codec: Add FM, Line and Mic inputs

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On Mon, Mar 14, 2016 at 11:49:39AM +0100, Maxime Ripard wrote:
> On Sat, Mar 12, 2016 at 08:52:22AM +0100, Danny Milosavljevic wrote:

> > > 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.

I'm having a really hard time telling what "it" is here.

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