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path: root/drivers/video/fbdev/msm/mddi_client_dummy.c
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Diffstat (limited to 'drivers/video/fbdev/msm/mddi_client_dummy.c')
-rw-r--r--drivers/video/fbdev/msm/mddi_client_dummy.c98
1 files changed, 98 insertions, 0 deletions
diff --git a/drivers/video/fbdev/msm/mddi_client_dummy.c b/drivers/video/fbdev/msm/mddi_client_dummy.c
new file mode 100644
index 000000000000..f1b0dfcc9717
--- /dev/null
+++ b/drivers/video/fbdev/msm/mddi_client_dummy.c
@@ -0,0 +1,98 @@
+/* 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/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 =
+ kzalloc(sizeof(struct panel_info), GFP_KERNEL);
+ int ret;
+ 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;
+ ret = platform_device_register(&panel->pdev);
+ if (ret) {
+ kfree(panel);
+ return ret;
+ }
+ return 0;
+}
+
+static int mddi_dummy_remove(struct platform_device *pdev)
+{
+ struct panel_info *panel = platform_get_drvdata(pdev);
+ kfree(panel);
+ return 0;
+}
+
+static struct platform_driver mddi_client_dummy = {
+ .probe = mddi_dummy_probe,
+ .remove = mddi_dummy_remove,
+ .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);
+