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SubjectRe: [PATCH -next 1/2] ASoC: max98396: Fix build error for implicit function declaration
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On 2022/5/11 20:06, Mark Brown wrote:
> On Wed, May 11, 2022 at 09:23:47AM +0800, Hui Tang wrote:
>
>> devm_regulator_get_optional
>> sound/soc/codecs/max98396.c:1556:23: error: ‘GPIOD_OUT_HIGH’ undeclared (first use in this function); did you mean ‘GPIOF_INIT_HIGH’?
>> "reset", GPIOD_OUT_HIGH);
>> ^~~~~~~~~~~~~~
>> GPIOF_INIT_HIGH
>> sound/soc/codecs/max98396.c:1556:23: note: each undeclared identifier is reported only once for each function it appears in
>> sound/soc/codecs/max98396.c:1565:3: error: implicit declaration of function ‘gpiod_set_value_cansleep’; did you mean ‘gpio_set_value_cansleep’? [-Werror=implicit-function-declaration]
>> gpiod_set_value_cansleep(max98396->reset_gpio, 0);
>> ^~~~~~~~~~~~~~~~~~~~~~~~
>> gpio_set_value_cansleep
>> cc1: all warnings being treated as errors
>>
>> Add depend on GPIOLIB for 'config SND_SOC_MAX98396'
>
> No, these issues are missing headers not dependencies. In general
> gpiolib stubs out so drivers can optionally use GPIO functionality.
>

Ok, I will do that

thank you

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