linux-kernel - Re: [PATCH Resend 7/8] ASoC: add snd_soc_of_parse_audio_simple

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Date:	Thu, 23 Jan 2014 19:39:45 +0000
From:	Mark Brown <broonie@...nel.org>
To:	Xiubo Li <Li.Xiubo@...escale.com>
Cc:	lgirdwood@...il.com, shawn.guo@...aro.org,
	kuninori.morimoto.gx@...esas.com, moinejf@...e.fr,
	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH Resend 7/8] ASoC: add
 snd_soc_of_parse_audio_simple_widgets for DeviceTree

On Thu, Jan 23, 2014 at 01:02:49PM +0800, Xiubo Li wrote:

> +static struct snd_soc_dapm_widget simple_widgets[] = {
> +	SND_SOC_DAPM_MIC("Mic", NULL),
> +	SND_SOC_DAPM_LINE("Line", NULL),
> +	SND_SOC_DAPM_HP("Hp", NULL),
> +	SND_SOC_DAPM_SPK("Spk", NULL),
> +};

Does this mean we're restricted to a particular set of names?  That
seems sad and won't work if there's a desire for more than one of a
given widget - the main use case I can see is multiple microphones with
separate microphone biases.  How about having some templates that we
copy and then replace the name with the one the user supplied?

> +	if (cnt <= 0) {
> +		dev_err(card->dev,
> +			"ASoC: Property '%s' does not exist or "
> +			"length is zero\n", propname);

Don't split error messages over lines, this makes it harder to grep for
them.

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