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Mikhail Kshevetskiy <mikhail.kshevetskiy@iopsys.eu> says: v2 changes: * Drop sw_blink_state structure, move its necessary fields to led_uc_plat structure. * Add cyclic_info pointer to led_uc_plat structure. This simplify code a lot. * Remove cyclic function search logic. Not needed anymore. * Fix blinking period. It was twice large. * Other cleanups. v3 changes: * Adapt code to recent cyclic function changes * Move software blinking functions to separate file * Other small changes v4 changes: * Refactoring of led_set_period() function v5 changes * Fix compilation if CONFIG_LED_BLINK is not defined v6 changes: * Enable LEDST_BLINK state unconditionally. * Function led_set_period() becomes available when CONFIG_LED_BLINK is disabled. This makes led code simpler. * Software blinking requires about 100 bytes of data for a led. It's not a good idea to allocate so much memory for each supported led. Change the code to allocate blinking data only for required leds.