imx_ldb_set_clock
imx_ldb_set_clock(ldb, mux, 0, serial_clk, di_clk);
imx_ldb_set_clock(ldb, mux, 1, serial_clk, di_clk);
imx_ldb_set_clock(ldb, mux, imx_ldb_ch->chno, serial_clk,