C++ (Cpp) dpi_verify_dsi_pll示例

示例#1

文件： dpi.c 项目： AD5GB/kernel_n5_3.10-experimental

static int dpi_init_display(struct omap_dss_device *dssdev)
{
	struct platform_device *dsidev;

	DSSDBG("init_display\n");

	if (dss_has_feature(FEAT_DPI_USES_VDDS_DSI) &&
					dpi.vdds_dsi_reg == NULL) {
		struct regulator *vdds_dsi;

		vdds_dsi = dss_get_vdds_dsi();

		if (IS_ERR(vdds_dsi)) {
			DSSERR("can't get VDDS_DSI regulator\n");
			return PTR_ERR(vdds_dsi);
		}

		dpi.vdds_dsi_reg = vdds_dsi;
	}

	dsidev = dpi_get_dsidev(dpi.output.dispc_channel);

	if (dsidev && dpi_verify_dsi_pll(dsidev)) {
		dsidev = NULL;
		DSSWARN("DSI PLL not operational\n");
	}

	if (dsidev)
		DSSDBG("using DSI PLL for DPI clock\n");

	dpi.dsidev = dsidev;

	return 0;
}

示例#2

文件： dpi.c 项目： Master-Traders/linux

static void dpi_init_pll(void)
{
	struct platform_device *dsidev;

	if (dpi.dsidev)
		return;

	dsidev = dpi_get_dsidev(dpi.output.dispc_channel);
	if (!dsidev)
		return;

	if (dpi_verify_dsi_pll(dsidev)) {
		DSSWARN("DSI PLL not operational\n");
		return;
	}

	dpi.dsidev = dsidev;
}