OMAP: DSS2: Taal: Fix TE when resuming

TE was not initialized properly on power on, which broke TE when resuming
from suspend.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>

1 files changed, 18 insertions, 3 deletions

diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c
index 2b5777621779..fcd6a61a91eb 100644
--- a/drivers/video/omap2/displays/panel-taal.c
+++ b/drivers/video/omap2/displays/panel-taal.c
@@ -63,6 +63,8 @@
 /* #define TAAL_USE_ESD_CHECK */
 #define TAAL_ESD_CHECK_PERIOD   msecs_to_jiffies(5000)
 
+static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable);
+
 struct taal_data {
         struct backlight_device *bldev;
 
@@ -666,6 +668,10 @@ static int taal_power_on(struct omap_dss_device *dssdev)
 
         taal_dcs_write_0(DCS_DISPLAY_ON);
 
+        r = _taal_enable_te(dssdev, td->te_enabled);
+        if (r)
+                goto err;
+
 #ifdef TAAL_USE_ESD_CHECK
         queue_delayed_work(td->esd_wq, &td->esd_work, TAAL_ESD_CHECK_PERIOD);
 #endif
@@ -828,13 +834,11 @@ static int taal_sync(struct omap_dss_device *dssdev)
         return 0;
 }
 
-static int taal_enable_te(struct omap_dss_device *dssdev, bool enable)
+static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable)
 {
         struct taal_data *td = dev_get_drvdata(&dssdev->dev);
         int r;
 
-        dsi_bus_lock();
-
         td->te_enabled = enable;
 
         if (enable)
@@ -848,6 +852,17 @@ static int taal_enable_te(struct omap_dss_device *dssdev, bool enable)
          * Panel bug? Needs more studying */
         msleep(100);
 
+        return r;
+}
+
+static int taal_enable_te(struct omap_dss_device *dssdev, bool enable)
+{
+        int r;
+
+        dsi_bus_lock();
+
+        r = _taal_enable_te(dssdev, enable);
+
         dsi_bus_unlock();
 
         return r;