[PATCH v3 0/3] Add RT5033 Flash LED driver

This patch supports flash led of RT5033 PMIC. Changes since v3: - Use mutex and work queue - Split brightness set func (sync / async) - Add flash API (flash_brightness_set) - Move struct(rt5033_led_config_data) to local area - Code clean Changes since v2: - Split MFC code from rt5033 flash

[PATCH v3 0/3] Add RT5033 Flash LED driver

This patch supports flash led of RT5033 PMIC. Changes since v3: - Use mutex and work queue - Split brightness set func (sync / async) - Add flash API (flash_brightness_set) - Move struct(rt5033_led_config_data) to local area - Code clean Changes since v2: - Split MFC code from rt5033 flash