fsl_asrc_divider_avail
div_avail = fsl_asrc_divider_avail(clk_rate, inrate, &div[IN]);
div_avail = fsl_asrc_divider_avail(clk_rate, IDEAL_RATIO_RATE, &div[OUT]);
div_avail = fsl_asrc_divider_avail(clk_rate, outrate, &div[OUT]);
if (fsl_asrc_divider_avail(clk_rate, rate[j], NULL))