[alsa-devel] [PATCH - alsa-lib 1/1] add surround21 for Echo3G devices

[Tom Yan]

There is actually ONE card conf, AACI.conf, that supports surround51
but not surround20/surround41/surround50, but I don't feel like
touching it, coz it's in the ideal state of what I proposed here:
http://mailman.alsa-project.org/pipermail/alsa-devel/2016-January/103121.html

On 17 January 2016 at 03:05,  <tom.ty89 at gmail.com> wrote:
> From: Tom Yan <tom.ty89 at gmail.com>
>
> It's the only card conf that make use of surround41.conf and surround50.conf but not surround21.conf; Adding it for consistency, since all three of them are derived from surround51.
>
> Signed-off-by: Tom Yan <tom.ty89 at gmail.com>
>
> diff --git a/src/conf/cards/Echo_Echo3G.conf b/src/conf/cards/Echo_Echo3G.conf
> index 766f13f..93d9ce4 100644
> --- a/src/conf/cards/Echo_Echo3G.conf
> +++ b/src/conf/cards/Echo_Echo3G.conf
> @@ -50,6 +50,40 @@ Echo_Echo3G.pcm.side.0 {
>         subdevice 6
>  }
>
> +<confdir:pcm/surround21.conf>
> +Echo_Echo3G.pcm.surround21.0 {
> +       @args [ CARD ]
> +       @args.CARD {
> +               type string
> +       }
> +       type multi
> +       slaves [
> +               {
> +                       pcm {
> +                               @func concat
> +                               strings [
> +                                       "cards.Echo_Echo3G.pcm.front.0:CARD=" $CARD
> +                               ]
> +                       }
> +                       channels 2
> +               }
> +               {
> +                       pcm {
> +                               @func concat
> +                               strings [
> +                                       "cards.Echo_Echo3G.pcm.center_lfe.0:CARD=" $CARD
> +                               ]
> +                       }
> +                       channels 2
> +               }
> +       ]
> +       bindings [
> +               { slave 0 channel 0 }
> +               { slave 0 channel 1 }
> +               { slave 1 channel 0 }
> +       ]
> +}
> +
>  <confdir:pcm/surround40.conf>
>  Echo_Echo3G.pcm.surround40.0 {
>         @args [ CARD ]
> --
> 2.7.0
>