linux-kernel - Re: [PATCH V2 linux-next] ASoC: cs53l30: include gpio/consumer.h

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Date:	Mon, 6 Jun 2016 10:36:12 -0700
From:	Nicolin Chen <nicoleotsuka@...il.com>
To:	Fabian Frederick <fabf@...net.be>
Cc:	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2 linux-next] ASoC: cs53l30: include gpio/consumer.h

On Mon, Jun 06, 2016 at 07:05:53PM +0200, Fabian Frederick wrote:
> cs53l30 breaks kernel compilation when CONFIG_GPIOLIB is disabled.
> 
> sound/soc/codecs/cs53l30.c:931:2: error: implicit declaration of
> function devm_gpiod_get_optional [-Werror=implicit-function-declaration]
>   cs53l30->reset_gpio = devm_gpiod_get_optional(dev, "reset",
>   ^
> sound/soc/codecs/cs53l30.c:932:13: error: GPIOD_OUT_LOW undeclared
> (first use in this function)
> 
> Including gpio/consumer.h declares minimal functions in that case.
> 
> Signed-off-by: Fabian Frederick <fabf@...net.be>

Acked-by: Nicolin Chen <nicoleotsuka@...il.com>

Thank you

> ---
> V2:
> 	Add in alphabetical order (suggested by Nicolin Chen)
> 
>  sound/soc/codecs/cs53l30.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/sound/soc/codecs/cs53l30.c b/sound/soc/codecs/cs53l30.c
> index ac90dd7..4f6ede9 100644
> --- a/sound/soc/codecs/cs53l30.c
> +++ b/sound/soc/codecs/cs53l30.c
> @@ -14,6 +14,7 @@
>  
>  #include <linux/clk.h>
>  #include <linux/delay.h>
> +#include <linux/gpio/consumer.h>
>  #include <linux/i2c.h>
>  #include <linux/module.h>
>  #include <linux/of_gpio.h>
> -- 
> 2.1.4
>