linux-kernel - Re: [PATCH] ASoC: soc-dapm.h: fixup warning struct snd_pcm

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Message-ID: <Y+zXAQHHhkPtjXZB@sirena.org.uk>
Date:   Wed, 15 Feb 2023 12:58:41 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Lucas Tanure <lucas.tanure@...labora.com>
Cc:     Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Charles Keepax <ckeepax@...nsource.cirrus.com>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        kernel@...labora.com
Subject: Re: [PATCH] ASoC: soc-dapm.h: fixup warning struct snd_pcm_substream
 not declared

On Wed, Feb 15, 2023 at 09:46:43AM +0000, Lucas Tanure wrote:
> Add sound/pcm.h header to include struct snd_pcm_substream used in
> snd_soc_dapm_update_dai function.

> +#include <sound/pcm.h>
>  
>  struct device;
>  struct snd_soc_pcm_runtime;

This should be a forward declaration of the struct like the
adjacent forward declarations that are already there, we only
pass a pointer to it we don't need the contents.

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