linux-kernel - Re: [PATCH v4 16/23] ASoC: soc-pcm: Get all BEs along DAPM path

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Date:   29 Jun 2020 10:41:39 +0900
From:   Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
To:     Sameer Pujar <spujar@...dia.com>
Cc:     <broonie@...nel.org>, <perex@...ex.cz>, <tiwai@...e.com>,
        <robh+dt@...nel.org>, <lgirdwood@...il.com>,
        <thierry.reding@...il.com>, <jonathanh@...dia.com>,
        <digetx@...il.com>, <alsa-devel@...a-project.org>,
        <linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <sharadg@...dia.com>, <mkumard@...dia.com>,
        <viswanathl@...dia.com>, <rlokhande@...dia.com>,
        <dramesh@...dia.com>, <atalambedu@...dia.com>,
        <nwartikar@...dia.com>, <swarren@...dia.com>,
        <nicoleotsuka@...il.com>
Subject: Re: [PATCH v4 16/23] ASoC: soc-pcm: Get all BEs along DAPM path


Hi Sameer

> dpcm_end_walk_at_be() stops the graph walk when first BE is found for
> the given FE component. In a component model we may want to connect
> multiple DAIs from different components. A new flag is introduced in
> 'snd_soc_card', which when set allows DAI/component chaining. Later
> PCM operations can be called for all these listed components for a
> valid DAPM path.
(snip)
> @@ -1069,6 +1069,7 @@ struct snd_soc_card {
>  	int num_of_dapm_widgets;
>  	const struct snd_soc_dapm_route *of_dapm_routes;
>  	int num_of_dapm_routes;
> +	bool component_chaining;

snd_soc_card has many /* bit field */ variables.
Please use it instead of bool.

Thank you for your help !!

Best regards
---
Kuninori Morimoto