1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
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);
|
