diff options
Diffstat (limited to 'drivers/video/msm/mddi_client_dummy.c')
| -rw-r--r-- | drivers/video/msm/mddi_client_dummy.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/drivers/video/msm/mddi_client_dummy.c b/drivers/video/msm/mddi_client_dummy.c new file mode 100644 index 000000000000..ebbae87885b6 --- /dev/null +++ b/drivers/video/msm/mddi_client_dummy.c @@ -0,0 +1,97 @@ +/* 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/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); + |
