linux-kernel - Re: [PATCH] arm64: dts: meson: sm1-khadas-vim3l use one sound node configuration with VIM3

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Date:   Mon, 6 Sep 2021 20:02:59 +0800
From:   Art Nikpal <email2tema@...il.com>
To:     Jerome Brunet <jbrunet@...libre.com>
Cc:     Neil Armstrong <narmstrong@...libre.com>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        "open list:ARM/Amlogic Meson..." <linux-amlogic@...ts.infradead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Christian Hewitt <christianshewitt@...il.com>,
        Artem Lapkin <art@...das.com>, Nick Xie <nick@...das.com>,
        Gouwa Wang <gouwa@...das.com>
Subject: Re: [PATCH] arm64: dts: meson: sm1-khadas-vim3l use one sound node
 configuration with VIM3

> Take a look at the Loopback sink - it is different between the sm1 based
vim3 and the g12b one ... this is simply because the audio block is
different on these SoCs

Maybe you are right ! i will test it soon too

Another question is:  loopback necessary ? same as 3 alsa sub devices
? mixer configuration is already not easy for  understanding;)

> However the model name here is
> a) probably too long

yes i think need to be like other model = "KHADAS-VIM3L";

On Mon, Sep 6, 2021 at 5:24 PM Jerome Brunet <jbrunet@...libre.com> wrote:
>
>
> On Thu 02 Sep 2021 at 15:31, Neil Armstrong <narmstrong@...libre.com> wrote:
>
> > Hi,
> >
> > On 12/08/2021 07:10, Artem Lapkin wrote:
> >> Khadas VIM3L board sound configuration same as Khadas VIM3, its already
> >> defined in meson-khadas-vim3.dtsi and no need overwrite it with different
> >> card names and routing configurations.
> >>
> >> Signed-off-by: Artem Lapkin <art@...das.com>
> >> ---
> >>  .../boot/dts/amlogic/meson-sm1-khadas-vim3l.dts     | 13 -------------
> >>  1 file changed, 13 deletions(-)
> >>
> >> diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-khadas-vim3l.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-khadas-vim3l.dts
> >> index f2c098143..06de0b1ce 100644
> >> --- a/arch/arm64/boot/dts/amlogic/meson-sm1-khadas-vim3l.dts
> >> +++ b/arch/arm64/boot/dts/amlogic/meson-sm1-khadas-vim3l.dts
> >> @@ -32,19 +32,6 @@ vddcpu: regulator-vddcpu {
> >>              regulator-boot-on;
> >>              regulator-always-on;
> >>      };
> >> -
> >> -    sound {
> >> -            model = "G12B-KHADAS-VIM3L";
> >> -            audio-routing = "TDMOUT_A IN 0", "FRDDR_A OUT 0",
> >> -                            "TDMOUT_A IN 1", "FRDDR_B OUT 0",
> >> -                            "TDMOUT_A IN 2", "FRDDR_C OUT 0",
> >> -                            "TDM_A Playback", "TDMOUT_A OUT",
> >> -                            "TDMIN_A IN 0", "TDM_A Capture",
> >> -                            "TDMIN_A IN 13", "TDM_A Loopback",
> >> -                            "TODDR_A IN 0", "TDMIN_A OUT",
> >> -                            "TODDR_B IN 0", "TDMIN_A OUT",
> >> -                            "TODDR_C IN 0", "TDMIN_A OUT";
> >> -    };
> >>  };
> >>
> >>  &cpu0 {
> >>
> >
> > Jerome could you quickly review this ?
>
> Removing that is wrong.
> Take a look at the Loopback sink - it is different between the sm1 based
> vim3 and the g12b one ... this is simply because the audio block is
> different on these SoCs
>
> So audio-routing property can't go way, Because of that, the cards are
> slightly different and should have different model.
>
> However the model name here is
> a) probably too long
> b) misleading :/
>
> >
> > Thanks,
> > Neil
>