NAU8325_CLK_MUL_SRC_SFT
mclk_n1_div[n1_sel].val << NAU8325_CLK_MUL_SRC_SFT);
#define NAU8325_CLK_MUL_SRC_MASK (0x3 << NAU8325_CLK_MUL_SRC_SFT)