static int mdp_close(struct v4l2_subdev *sd, void *arg)
{
struct mdp_instance *inst = arg;
if (inst) {
if (inst->secure)
msm_fb_writeback_set_secure(inst->mdp, false);
msm_fb_writeback_terminate(inst->mdp);
kfree(inst);
}
return 0;
}
int mdp_close(struct v4l2_subdev *sd, void *arg)
{
struct mdp_instance *inst = arg;
struct fb_info *fbi = NULL;
if (inst) {
fbi = (struct fb_info *)inst->mdp;
msm_fb_writeback_terminate(fbi);
kfree(inst);
}
return 0;
}
int mdp_close(struct v4l2_subdev *sd, void *arg)
{
struct mdp_instance *inst = arg;
struct fb_info *fbi = NULL;
if (inst) {
fbi = (struct fb_info *)inst->mdp;
msm_fb_writeback_terminate(fbi);
/* Releasing the instance after unregistering */
kfree(inst);
}
return 0;
}
int mdp_close(struct v4l2_subdev *sd, void *arg)
{
struct mdp_instance *inst = arg;
struct fb_info *fbi = NULL;
if (inst) {
fbi = (struct fb_info *)inst->mdp;
msm_fb_writeback_terminate(fbi);
kfree(inst);
/* Unregister wfd node from switch driver */
switch_dev_unregister(&inst->sdev);
}
return 0;
}
int mdp_open(struct v4l2_subdev *sd, void *arg)
{
struct mdp_instance *inst = kzalloc(sizeof(struct mdp_instance),
GFP_KERNEL);
struct mdp_msg_ops *mops = arg;
int rc = 0;
struct fb_info *fbi = NULL;
if (!inst) {
WFD_MSG_ERR("Out of memory\n");
rc = -ENOMEM;
goto mdp_open_fail;
} else if (!mops) {
WFD_MSG_ERR("Invalid arguments\n");
rc = -EINVAL;
goto mdp_open_fail;
}
fbi = msm_fb_get_writeback_fb();
if (!fbi) {
WFD_MSG_ERR("Failed to acquire mdp instance\n");
rc = -ENODEV;
goto mdp_open_fail;
}
msm_fb_writeback_init(fbi);
inst->mdp = fbi;
inst->secure = mops->secure;
if (mops->secure) {
rc = mdp_secure(sd, inst);
if (rc) {
WFD_MSG_ERR("Couldn't secure MDP\n");
goto mdp_secure_fail;
}
}
mops->cookie = inst;
return 0;
mdp_secure_fail:
msm_fb_writeback_terminate(fbi);
mdp_open_fail:
kfree(inst);
return rc;
}