static int writeback_probe(struct platform_device *pdev)
{
struct msm_fb_data_type *mfd;
struct platform_device *mdp_dev = NULL;
struct msm_fb_panel_data *pdata = NULL;
int rc = 0;
WRITEBACK_MSG_ERR("Inside writeback_probe\n");
mfd = platform_get_drvdata(pdev);
if (!mfd)
return -ENODEV;
if (mfd->key != MFD_KEY)
return -EINVAL;
mdp_dev = platform_device_alloc("mdp", pdev->id);
if (!mdp_dev)
return -ENOMEM;
/*
* link to the latest pdev
*/
mfd->pdev = mdp_dev;
mfd->dest = DISPLAY_LCD;
if (platform_device_add_data
(mdp_dev, pdev->dev.platform_data,
sizeof(struct msm_fb_panel_data))) {
pr_err("writeback_probe: "
"platform_device_add_data failed!\n");
platform_device_put(mdp_dev);
return -ENOMEM;
}
pdata = (struct msm_fb_panel_data *)mdp_dev->dev.platform_data;
pdata->on = writeback_on;
pdata->off = writeback_off;
pdata->next = pdev;
/*
* get/set panel specific fb info
*/
mfd->panel_info = pdata->panel_info;
mfd->fb_imgType = MDP_RGB_565;
platform_set_drvdata(mdp_dev, mfd);
mfd->writeback_sdev.name = "wfd";
rc = switch_dev_register(&mfd->writeback_sdev);
if (rc) {
pr_err("Failed to setup switch dev for writeback panel");
return rc;
}
rc = platform_device_add(mdp_dev);
if (rc) {
WRITEBACK_MSG_ERR("failed to add device");
platform_device_put(mdp_dev);
return rc;
}
return rc;
}
static int __init writeback_panel_init(void)
{
int rc = 0;
rc = platform_driver_register(&writeback_panel_driver);
if (rc) {
WRITEBACK_MSG_ERR("Failed to register platform driver\n");
goto fail_driver_registration;
}
rc = platform_device_register(&writeback_panel_device);
if (rc) {
WRITEBACK_MSG_ERR("Failed to register "
"writeback_panel_device\n");
goto fail_device_registration;
}
writeback_suspend.level = 0;
writeback_suspend.suspend = mdp4_overlay_writeback_early_suspend;
writeback_suspend.resume = mdp4_overlay_writeback_early_resume;
register_early_suspend(&writeback_suspend);
return rc;
fail_device_registration:
platform_driver_unregister(&writeback_panel_driver);
fail_driver_registration:
return rc;
}
static int __init writeback_driver_init(void)
{
int rc = 0;
WRITEBACK_MSG_ERR("Inside writeback_driver_init\n");
rc = platform_driver_register(&writeback_driver);
return rc;
}
static int __init writeback_panel_init(void)
{
int rc = 0;
rc = platform_driver_register(&writeback_panel_driver);
if (rc) {
WRITEBACK_MSG_ERR("Failed to register platform driver\n");
goto fail_driver_registration;
}
rc = platform_device_register(&writeback_panel_device);
if (rc) {
WRITEBACK_MSG_ERR("Failed to register "
"writeback_panel_device\n");
goto fail_device_registration;
}
return rc;
fail_device_registration:
platform_driver_unregister(&writeback_panel_driver);
fail_driver_registration:
return rc;
}
static int __devinit writeback_panel_probe(struct platform_device *pdev)
{
int rc = 0;
if (pdev->id == 0)
return 0;
if (!msm_fb_add_device(pdev)) {
WRITEBACK_MSG_ERR("Failed to add fd device\n");
rc = -ENOMEM;
}
return rc;
}
