[alsa-devel] [RESEND PATCH] conf/cards: add VC4-HDMI card

[Takashi Iwai]

On Thu, 02 Mar 2017 11:49:33 +0100,
Boris Brezillon wrote:
> 
> Add a conf file for the VC4-HDMI sound card.
> 
> Signed-off-by: Boris Brezillon <boris.brezillon at free-electrons.com>
> ---
> Hi,
> 
> Sorry for the noise, but I didn't send this patch to the alsa-lib
> maintainer on my first attempt.
> 
> This patch is adding a card config file for the audio sound card whose
> driver has been submitted here [1] (not accepted yet).
> 
> Since I am a total newbie to the alsa world, I'd like to get some
> feedback on this patch.
> 
> Also, the card only supports 2 to 8 channels, and I wonder if we should
> add a plug element to support mono streams, and where this element
> should be added (after or before the iec958 element).

Applied, thanks.


Takashi


> 
> Regards,
> 
> Boris
> 
> [1]https://www.spinics.net/lists/arm-kernel/msg565182.html
> 
>  src/conf/cards/Makefile.am   |  1 +
>  src/conf/cards/aliases.conf  |  1 +
>  src/conf/cards/vc4-hdmi.conf | 64 ++++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 66 insertions(+)
>  create mode 100644 src/conf/cards/vc4-hdmi.conf
> 
> diff --git a/src/conf/cards/Makefile.am b/src/conf/cards/Makefile.am
> index e8b530e80a8f..00999f0186d6 100644
> --- a/src/conf/cards/Makefile.am
> +++ b/src/conf/cards/Makefile.am
> @@ -51,6 +51,7 @@ cfg_files = aliases.conf \
>  	TRID4DWAVENX.conf \
>  	USB-Audio.conf \
>  	YMF744.conf \
> +	vc4-hdmi.conf \
>  	VIA686A.conf \
>  	VIA8233.conf \
>  	VIA8233A.conf \
> diff --git a/src/conf/cards/aliases.conf b/src/conf/cards/aliases.conf
> index 60f9d26974fd..18a920f41e46 100644
> --- a/src/conf/cards/aliases.conf
> +++ b/src/conf/cards/aliases.conf
> @@ -56,6 +56,7 @@ AV200 cards.CMI8788
>  CMI8786 cards.CMI8788
>  CMI8787 cards.CMI8788
>  pistachio cards.pistachio-card
> +VC4-HDMI cards.vc4-hdmi
>  
>  <confdir:pcm/default.conf>
>  <confdir:pcm/dmix.conf>
> diff --git a/src/conf/cards/vc4-hdmi.conf b/src/conf/cards/vc4-hdmi.conf
> new file mode 100644
> index 000000000000..027804a145d1
> --- /dev/null
> +++ b/src/conf/cards/vc4-hdmi.conf
> @@ -0,0 +1,64 @@
> +#
> +# Configuration for the VC4-HDMI sound card using software IEC958
> +# subframe conversion
> +#
> +
> +<confdir:pcm/front.conf>
> +
> +vc4-hdmi.pcm.front.0 {
> +	@args [ CARD ]
> +	@args.CARD {
> +		type string
> +	}
> +	type hw
> +	card $CARD
> +}
> +
> +# default with dmix
> +vc4-hdmi.pcm.default {
> +	@args [ CARD ]
> +	@args.CARD {
> +		type string
> +	}
> +	type asym
> +	playback.pcm {
> +		type plug
> +		slave.pcm {
> +			@func concat
> +			strings [ "dmix:" $CARD ]
> +		}
> +	}
> +}
> +
> +<confdir:pcm/iec958.conf>
> +
> +vc4-hdmi.pcm.iec958.0 {
> +	@args [ CARD AES0 AES1 AES2 AES3 ]
> +	@args.CARD {
> +		type string
> +	}
> +	@args.AES0 {
> +		type integer
> +	}
> +	@args.AES1 {
> +		type integer
> +	}
> +	@args.AES2 {
> +		type integer
> +	}
> +	@args.AES3 {
> +		type integer
> +	}
> +	type iec958
> +	slave {
> +		format IEC958_SUBFRAME_LE
> +		pcm {
> +			type plug
> +			slave.pcm {
> +				type hw
> +				card $CARD
> +			}
> +		}
> +	}
> +	status [ $AES0 $AES1 $AES2 $AES3 ]
> +}
> -- 
> 2.7.4
>