get_pdm_clk 160 sound/soc/fsl/fsl_micfil.c clk_div = mclk_rate / (get_pdm_clk(micfil, rate) * 2); get_pdm_clk 161 sound/soc/rockchip/rockchip_pdm.c clk_rate = get_pdm_clk(pdm, samplerate, &clk_src, &clk_out);