HID_CUSTOM_MAX_CORE_ATTRS   21 drivers/hid/hid-sensor-custom.c #define HID_CUSTOM_TOTAL_ATTRS		(HID_CUSTOM_MAX_CORE_ATTRS + 1)
HID_CUSTOM_MAX_CORE_ATTRS   29 drivers/hid/hid-sensor-custom.c 	struct device_attribute sd_attrs[HID_CUSTOM_MAX_CORE_ATTRS];