RADC_BUF_CLK
rtl_set_bbreg(hw, RADC_BUF_CLK, BIT(30), 0);
rtl_set_bbreg(hw, RADC_BUF_CLK, BIT(30), 0);
rtl_set_bbreg(hw, RADC_BUF_CLK, BIT(30), 1);
rtl_set_bbreg(hw, RADC_BUF_CLK, BIT(30), 1);
rtl_set_bbreg(hw, RADC_BUF_CLK, BIT(30), 1);
rtl_set_bbreg(hw, RADC_BUF_CLK, BIT(30), 0);