+static ssize_t set_screen_info(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct fb_info *fbi = dev_get_drvdata(dev);
+ struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
+ struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
+ int xmirror = 0, ymirror = 0, ret = 0, rotate = 0;
+
+ ret = kstrtoint(buf, 0, &rotate);
+ if (ret)
+ return ret;
+ xmirror = !!(rotate & X_MIRROR);
+ ymirror = !!(rotate & Y_MIRROR);
+ dev_drv->cur_screen->x_mirror = xmirror;
+ dev_drv->cur_screen->y_mirror = ymirror;
+ mutex_lock(&dev_drv->output_lock);
+ mutex_lock(&dev_drv->win_config);
+ if (dev_drv->ops->extern_func)
+ dev_drv->ops->extern_func(dev_drv, SET_DSP_MIRROR);
+ mutex_unlock(&dev_drv->win_config);
+ mutex_unlock(&dev_drv->output_lock);
+
+ return count;
+}
+