drivers/staging/msm/lcdc_panel.c

   1 /* Copyright (c) 2008-2009, Code Aurora Forum. All rights reserved.
   2  *
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License version 2 and
   5  * only version 2 as published by the Free Software Foundation.
   6  *
   7  * This program is distributed in the hope that it will be useful,
   8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  * GNU General Public License for more details.
  11  *
  12  * You should have received a copy of the GNU General Public License
  13  * along with this program; if not, write to the Free Software
  14  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  15  * 02110-1301, USA.
  16  */
  17
  18 #include "msm_fb.h"
  19
  20 static int lcdc_panel_on(struct platform_device *pdev)
  21 {
  22         return 0;
  23 }
  24
  25 static int lcdc_panel_off(struct platform_device *pdev)
  26 {
  27         return 0;
  28 }
  29
  30 static int __init lcdc_panel_probe(struct platform_device *pdev)
  31 {
  32         msm_fb_add_device(pdev);
  33
  34         return 0;
  35 }
  36
  37 static struct platform_driver this_driver = {
  38         .probe  = lcdc_panel_probe,
  39         .driver = {
  40                 .name   = "lcdc_panel",
  41         },
  42 };
  43
  44 static struct msm_fb_panel_data lcdc_panel_data = {
  45         .on = lcdc_panel_on,
  46         .off = lcdc_panel_off,
  47 };
  48
  49 static int lcdc_dev_id;
  50
  51 int lcdc_device_register(struct msm_panel_info *pinfo)
  52 {
  53         struct platform_device *pdev = NULL;
  54         int ret;
  55
  56         pdev = platform_device_alloc("lcdc_panel", ++lcdc_dev_id);
  57         if (!pdev)
  58                 return -ENOMEM;
  59
  60         lcdc_panel_data.panel_info = *pinfo;
  61         ret = platform_device_add_data(pdev, &lcdc_panel_data,
  62                 sizeof(lcdc_panel_data));
  63         if (ret) {
  64                 printk(KERN_ERR
  65                   "%s: platform_device_add_data failed!\n", __func__);
  66                 goto err_device_put;
  67         }
  68
  69         ret = platform_device_add(pdev);
  70         if (ret) {
  71                 printk(KERN_ERR
  72                   "%s: platform_device_register failed!\n", __func__);
  73                 goto err_device_put;
  74         }
  75
  76         return 0;
  77
  78 err_device_put:
  79         platform_device_put(pdev);
  80         return ret;
  81 }
  82
  83 static int __init lcdc_panel_init(void)
  84 {
  85         return platform_driver_register(&this_driver);
  86 }
  87
  88 module_init(lcdc_panel_init);