OMAP: DSS2: move run_test()

Move run_test() from omap_dss_device to omap_dss_driver.

This is part of a larger patch-set, which moves the control from omapdss
driver to the display driver.

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

1 files changed, 9 insertions, 3 deletions

diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c
index 0aaaa8a8e0f..e6d0954f459 100644
--- a/drivers/video/omap2/displays/panel-taal.c
+++ b/drivers/video/omap2/displays/panel-taal.c
@@ -820,17 +820,23 @@ static int taal_run_test(struct omap_dss_device *dssdev, int test_num)
         u8 id1, id2, id3;
         int r;
 
+        dsi_bus_lock();
+
         r = taal_dcs_read_1(DCS_GET_ID1, &id1);
         if (r)
-                return r;
+                goto err;
         r = taal_dcs_read_1(DCS_GET_ID2, &id2);
         if (r)
-                return r;
+                goto err;
         r = taal_dcs_read_1(DCS_GET_ID3, &id3);
         if (r)
-                return r;
+                goto err;
 
+        dsi_bus_unlock();
         return 0;
+err:
+        dsi_bus_unlock();
+        return r;
 }
 
 static int taal_memory_read(struct omap_dss_device *dssdev,