On Wed, May 11, 2022 at 09:23:47AM +0800, Hui Tang wrote:
devm_regulator_get_optionalsound/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.