linux-kernel - Re: [PATCH v2] ASoC: codecs: lpass-macro: Add support for channel map mixer control

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Message-ID: <708dc6e4-1566-4c72-9f3a-a34f935ac247@oss.qualcomm.com>
Date: Tue, 2 Sep 2025 14:58:11 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Mohammad Rafi Shaik <mohammad.rafi.shaik@....qualcomm.com>,
        Srinivas Kandagatla <srini@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Cc: linux-sound@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel@....qualcomm.com,
        prasad.kumpatla@....qualcomm.com
Subject: Re: [PATCH v2] ASoC: codecs: lpass-macro: Add support for channel map
 mixer control

On 9/2/25 8:23 AM, Mohammad Rafi Shaik wrote:
> Introduce the channel map mixer control support for LPASS macro
> codec Digital Audio Interfaces (DAIs). The channel map mixer controls
> are required by APPS to configure usecase-specific audio routing and
> channel mapping.
> 
> Signed-off-by: Mohammad Rafi Shaik <mohammad.rafi.shaik@....qualcomm.com>
> ---

[...]

> +int lpass_macro_add_chmap_ctls(struct snd_soc_pcm_runtime *rtd,
> +			       struct snd_soc_dai *dai, int dir)
> +{
> +	struct snd_pcm_chmap *info;
> +	int ret;
> +
> +	info = kzalloc(sizeof(*info), GFP_KERNEL);
> +	if (!info)
> +		return -ENOMEM;
> +
> +	ret =  snd_pcm_add_chmap_ctls(rtd->pcm, dir, NULL,

double space after '='

Konrad