menuconfig LEDS_BLINK bool "LED Blink support" depends on LEDS_CLASS help This option enables blink support for the leds class. If unsure, say Y. if LEDS_BLINK config LEDS_BLINK_LGM tristate "LED support for Intel LGM SoC series" depends on LEDS_CLASS depends on MFD_SYSCON depends on OF help Parallel to serial conversion, which is also called SSO controller, can drive external shift register for LED outputs. This enables LED support for Serial Shift Output controller(SSO). endif # LEDS_BLINK