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SubjectRe: [RESEND V2] ASoC: max98390: Add reset gpio control
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On Sat, 2022-03-12 at 09:24 +0900, Steve Lee wrote:
>  Add reset gpio control to support RESET PIN connected to gpio.
>
> Signed-off-by: Steve Lee <steve.lee.analog@gmail.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);

A reset GPIO is a standard property so there's no need for a vendor
prefix. This should be devm_gpiod_get_optional(&i2c->dev, "reset",
...). And, as said before, you need to add a reset-gpios property to
the bindings in a different patch.

I'm also not sure why you have this as RESEND...

- Nuno Sá
>

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