linux-kernel - Re: [PATCH v3 2/2] ASoC: tas2562: Update shutdown GPIO property

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Message-ID: <0e482167-71c2-a128-b8b4-a054557d30e9@ti.com>
Date:   Fri, 12 Jun 2020 11:18:57 -0500
From:   Dan Murphy <dmurphy@...com>
To:     Mark Brown <broonie@...nel.org>
CC:     <lgirdwood@...il.com>, <perex@...ex.cz>, <tiwai@...e.com>,
        <robh@...nel.org>, <alsa-devel@...a-project.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
Subject: Re: [PATCH v3 2/2] ASoC: tas2562: Update shutdown GPIO property

Mark

On 6/12/20 11:09 AM, Mark Brown wrote:
> On Fri, Jun 12, 2020 at 11:06:03AM -0500, Dan Murphy wrote:
>
>> -	tas2562->sdz_gpio = devm_gpiod_get_optional(dev, "shut-down-gpio",
>> +	tas2562->sdz_gpio = devm_gpiod_get_optional(dev, "shutdown",
>>   						      GPIOD_OUT_HIGH);
> This also changes the name from shut-down to shutdown which will be
> incompatible (IIRC we do try -gpio as well as -gpios).
Yes the non-standardish name was highlighted by Rob[1].

Also I checked the GPIO library and it looks at both -gpio and gpios as 
property suffixes.

Since this is a single GPIO the singular should be used in this case

[1] https://lore.kernel.org/patchwork/patch/1251670/

Dan