Function prototype or declaration at include/linux/gpio/consumer.h, line 85 References: drivers/bluetooth/btusb.c, line 3966 drivers/bluetooth/btusb.c, line 4011 drivers/gpio/gpiolib-devres.c, line 22 drivers/gpio/gpiolib-devres.c, line 121 drivers/gpio/gpiolib-devres.c, line 176 drivers/gpio/gpiolib-of.c, line 359 drivers/gpio/gpiolib.c, line 3908 drivers/gpio/gpiolib.c, line 3974 drivers/gpio/gpiolib.c, line 4221 drivers/gpio/gpiolib.c, line 4226 drivers/gpio/gpiolib.c, line 4237 drivers/gpu/drm/i2c/tda998x_drv.c, line 536 drivers/gpu/drm/i915/display/intel_dsi_vbt.c, line 926 drivers/gpu/drm/i915/display/intel_dsi_vbt.c, line 931 drivers/gpu/drm/omapdrm/dss/dsi.c, line 4320 drivers/gpu/drm/omapdrm/dss/dsi.c, line 4334 drivers/gpu/drm/omapdrm/dss/dsi.c, line 4352 drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c, line 256 drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c, line 274 drivers/input/misc/soc_button_array.c, line 115 drivers/mmc/host/mmci.c, line 1945 drivers/mmc/host/mmci.c, line 1948 drivers/mmc/host/mmci.c, line 1950 drivers/net/phy/fixed_phy.c, line 181 drivers/net/phy/mdio_bus.c, line 631 drivers/net/phy/phylink.c, line 918 drivers/nvmem/core.c, line 413 drivers/platform/surface/aggregator/controller.c, line 2703 drivers/platform/surface/surface3_button.c, line 82 drivers/platform/x86/intel/int3472/intel_skl_int3472_clk_and_regulator.c, line 198 drivers/platform/x86/intel/int3472/intel_skl_int3472_clk_and_regulator.c, line 206 drivers/platform/x86/intel/int3472/intel_skl_int3472_discrete.c, line 407 drivers/platform/x86/intel/int3472/intel_skl_int3472_discrete.c, line 408 drivers/regulator/core.c, line 2466 drivers/regulator/core.c, line 5546 drivers/regulator/core.c, line 5551 drivers/staging/fbtft/fb_st7789v.c, line 110 drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c, line 240 drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c, line 243 drivers/staging/pi433/pi433_if.c, line 1005 drivers/staging/pi433/pi433_if.c, line 1047 drivers/usb/dwc3/dwc3-pci.c, line 219 drivers/usb/dwc3/dwc3-pci.c, line 227 include/linux/gpio/consumer.h, line 85 include/linux/gpio/consumer.h, line 244 sound/soc/intel/boards/bdw-rt5677.c, line 296 sound/soc/intel/boards/bytcht_es8316.c, line 607 sound/soc/intel/boards/bytcht_es8316.c, line 625 sound/soc/intel/boards/bytcr_wm5102.c, line 456 sound/soc/intel/boards/bytcr_wm5102.c, line 465 sound/soc/intel/boards/kbl_rt5660.c, line 219 sound/soc/soc-jack.c, line 289