/* 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 <mach/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);