dss_get_dispc_clk_source
src = dss_get_dispc_clk_source(dispc->dss);
dispc_clk_src = dss_get_dispc_clk_source(dispc->dss);
dispc_clk_src = dss_get_dispc_clk_source(dsi->dss);
enum dss_clk_source dss_get_dispc_clk_source(struct dss_device *dss);
switch (dss_get_dispc_clk_source()) {
enum omap_dss_clk_source dispc_clk_src = dss_get_dispc_clk_source();
dispc_clk_src = dss_get_dispc_clk_source();
enum omap_dss_clk_source dss_get_dispc_clk_source(void);