Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / video / fbdev / msm / mddi_client_dummy.c

diff --git a/kernel/drivers/video/fbdev/msm/mddi_client_dummy.c b/kernel/drivers/video/fbdev/msm/mddi_client_dummy.c
new file mode 100644 (file)
index 0000000..cdb8f69
--- /dev/null
+++ b/kernel/drivers/video/fbdev/msm/mddi_client_dummy.c
@@ -0,0 +1,85 @@
+/* drivers/video/msm_fb/mddi_client_dummy.c
+ *
+ * Support for "dummy" mddi client devices which require no
+ * special initialization code.
+ *
+ * Copyright (C) 2007 Google Incorporated
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/device.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+
+#include <linux/platform_data/video-msm_fb.h>
+
+struct panel_info {
+       struct platform_device pdev;
+       struct msm_panel_data panel_data;
+};
+
+static int mddi_dummy_suspend(struct msm_panel_data *panel_data)
+{
+       return 0;
+}
+
+static int mddi_dummy_resume(struct msm_panel_data *panel_data)
+{
+       return 0;
+}
+
+static int mddi_dummy_blank(struct msm_panel_data *panel_data)
+{
+       return 0;
+}
+
+static int mddi_dummy_unblank(struct msm_panel_data *panel_data)
+{
+       return 0;
+}
+
+static int mddi_dummy_probe(struct platform_device *pdev)
+{
+       struct msm_mddi_client_data *client_data = pdev->dev.platform_data;
+       struct panel_info *panel =
+               devm_kzalloc(&pdev->dev, sizeof(struct panel_info), GFP_KERNEL);
+       if (!panel)
+               return -ENOMEM;
+       platform_set_drvdata(pdev, panel);
+       panel->panel_data.suspend = mddi_dummy_suspend;
+       panel->panel_data.resume = mddi_dummy_resume;
+       panel->panel_data.blank = mddi_dummy_blank;
+       panel->panel_data.unblank = mddi_dummy_unblank;
+       panel->panel_data.caps = MSMFB_CAP_PARTIAL_UPDATES;
+       panel->pdev.name = "msm_panel";
+       panel->pdev.id = pdev->id;
+       platform_device_add_resources(&panel->pdev,
+                                     client_data->fb_resource, 1);
+       panel->panel_data.fb_data = client_data->private_client_data;
+       panel->pdev.dev.platform_data = &panel->panel_data;
+       return platform_device_register(&panel->pdev);
+}
+
+static struct platform_driver mddi_client_dummy = {
+       .probe = mddi_dummy_probe,
+       .driver = { .name = "mddi_c_dummy" },
+};
+
+static int __init mddi_client_dummy_init(void)
+{
+       platform_driver_register(&mddi_client_dummy);
+       return 0;
+}
+
+module_init(mddi_client_dummy_init);
+