ADAU1372_CLK_CTRL_MCLK_EN
unsigned int clk_ctrl = ADAU1372_CLK_CTRL_MCLK_EN;
ADAU1372_CLK_CTRL_MCLK_EN | ADAU1372_CLK_CTRL_CLKSRC, clk_ctrl);
ADAU1372_CLK_CTRL_MCLK_EN | ADAU1372_CLK_CTRL_PLL_EN, 0);