diff --git a/drivers/fih/fpcfingerprint_tee/fpc1020_tee.c b/drivers/fih/fpcfingerprint_tee/fpc1020_tee.c
index bbd99b5..de664b1 100755
--- a/drivers/fih/fpcfingerprint_tee/fpc1020_tee.c
+++ b/drivers/fih/fpcfingerprint_tee/fpc1020_tee.c
@@ -32,11 +32,13 @@

 #include <linux/clk.h>
 #include <linux/delay.h>
+#include <linux/fb.h>
 #include <linux/gpio.h>
 #include <linux/interrupt.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/mutex.h>
+#include <linux/notifier.h>
 #include <linux/of.h>
 #include <linux/of_gpio.h>
 #include <linux/regulator/consumer.h>
@@ -87,6 +89,7 @@ struct fpc1020_data {
    struct clk *iface_clk;
    struct clk *core_clk;
    struct regulator *vreg[ARRAY_SIZE(vreg_conf)];
+   struct notifier_block fb_notif;

     struct wake_lock ttw_wl;
    int irq_gpio;
@@ -646,6 +649,33 @@ static const struct attribute_group attribute_group = {
    .attrs = attributes,
 };

+static int fb_notifier_callback(struct notifier_block *self, unsigned long event, void *data)
+{
+   struct fpc1020_data *fpc1020 = container_of(self, struct fpc1020_data, fb_notif);
+   struct fb_event *evdata = data;
+
+   if ((event == FB_EVENT_BLANK) && evdata && evdata->data) {
+       int blank = *(int *)evdata->data;
+
+       switch (blank) {
+       case FB_BLANK_POWERDOWN:
+           pr_info("fpc1020: suspending++\n");
+           fpc1020->clocks_suspended = fpc1020->clocks_enabled;
+           set_clks(fpc1020, false);
+           pr_info("fpc1020: suspended --\n");
+           break;
+       case FB_BLANK_UNBLANK:
+           pr_info("fpc1020: resuming++\n");
+           if (fpc1020->clocks_suspended)
+               set_clks(fpc1020, true);
+           pr_info("fpc1020: resumed --\n");
+           break;
+       }
+   }
+
+   return NOTIFY_OK;
+}
+
 static irqreturn_t fpc1020_irq_handler(int irq, void *handle)
 {
    struct fpc1020_data *fpc1020 = handle;
@@ -845,6 +875,13 @@ static int fpc1020_probe(struct spi_device *spi)
        goto exit;
    }

+   fpc1020->fb_notif.notifier_call = fb_notifier_callback;
+   rc = fb_register_client(&fpc1020->fb_notif);
+   if (rc) {
+       dev_err(fpc1020->dev, "Unable to register fb_notifier: %d\n", rc);
+       goto exit;
+   }
+
    if (of_property_read_bool(dev->of_node, "fpc,enable-on-boot")) {
        dev_info(dev, "Enabling hardware\n");
        (void)device_prepare(fpc1020, true);
@@ -870,6 +907,7 @@ static int fpc1020_remove(struct spi_device *spi)
    return 0;
 }

+#if 0
 static int fpc1020_suspend(struct device *dev)
 {
    struct fpc1020_data *fpc1020 = dev_get_drvdata(dev);
@@ -893,6 +931,7 @@ static const struct dev_pm_ops fpc1020_pm_ops = {
    .suspend = fpc1020_suspend,
    .resume = fpc1020_resume,
 };
+#endif

 static struct of_device_id fpc1020_of_match[] = {
    { .compatible = "fpc,fpc1020", },
@@ -905,7 +944,7 @@ static struct spi_driver fpc1020_driver = {
        .name   = "fpc1020",
        .owner  = THIS_MODULE,
        .of_match_table = fpc1020_of_match,
-       .pm = &fpc1020_pm_ops,
+       //.pm = &fpc1020_pm_ops,
    },
    .probe      = fpc1020_probe,
    .remove     = fpc1020_remove,