CS43130_MCLK_SRC_EXT
if (source == CS43130_MCLK_SRC_EXT) {
cs43130_change_clksrc(component, CS43130_MCLK_SRC_EXT);
case CS43130_MCLK_SRC_EXT:
cs43130->mclk_int_src = CS43130_MCLK_SRC_EXT;
cs43130_change_clksrc(component, CS43130_MCLK_SRC_EXT);
cs43130_change_clksrc(component, CS43130_MCLK_SRC_EXT);