linux-kernel - Re: [RESEND V2] ASoC: max98390: Add reset gpio control

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Message-ID: <009acb4c-d59c-c1ad-60b0-cc85fe7ad73d@kernel.org>
Date:   Sat, 12 Mar 2022 11:40:55 +0100
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Steve Lee <steve.lee.analog@...il.com>, lgirdwood@...il.com,
        broonie@...nel.org, perex@...ex.cz, tiwai@...e.com,
        ckeepax@...nsource.cirrus.com, geert@...ux-m68k.org,
        rf@...nsource.wolfsonmicro.com, shumingf@...ltek.com,
        srinivas.kandagatla@...aro.org, jack.yu@...ltek.com,
        nuno.sa@...log.com, ryans.lee@...imintegrated.com,
        linux-kernel@...r.kernel.org, alsa-devel@...a-project.org
Subject: Re: [RESEND V2] ASoC: max98390: Add reset gpio control

On 12/03/2022 01:24, Steve Lee wrote:
>  Add reset gpio control to support RESET PIN connected to gpio.
> 
> Signed-off-by: Steve Lee <steve.lee.analog@...il.com>
> ---
>  sound/soc/codecs/max98390.c | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/sound/soc/codecs/max98390.c b/sound/soc/codecs/max98390.c
> index 40fd6f363f35..9a9299e5cc5a 100644
> --- a/sound/soc/codecs/max98390.c
> +++ b/sound/soc/codecs/max98390.c
> @@ -1022,6 +1022,7 @@ static int max98390_i2c_probe(struct i2c_client *i2c,
>  
>  	struct max98390_priv *max98390 = NULL;
>  	struct i2c_adapter *adapter = i2c->adapter;
> +	struct gpio_desc *reset_gpio;
>  
>  	ret = i2c_check_functionality(adapter,
>  		I2C_FUNC_SMBUS_BYTE
> @@ -1073,6 +1074,17 @@ static int max98390_i2c_probe(struct i2c_client *i2c,
>  		return ret;
>  	}
>  
> +	reset_gpio = devm_gpiod_get_optional(&i2c->dev,
> +					     "maxim,reset-gpios", GPIOD_OUT_LOW);
> +

I don't know why did you CC me, but since I am looking at this - you
have to update bindings.

Do not add random properties to drivers without updating bindings.

Best regards,
Krzysztof