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/* 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);
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