SY7802_REG_TORCH_BRIGHTNESS
ret = regmap_update_bits(chip->regmap, SY7802_REG_TORCH_BRIGHTNESS, torch_mask, brightness);
regmap_write(chip->regmap, SY7802_REG_TORCH_BRIGHTNESS, LED_OFF);
{ SY7802_REG_TORCH_BRIGHTNESS, 0x92 },