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authorClark Williams <williams@redhat.com>2012-03-01 09:15:01 -0600
committerClark Williams <williams@redhat.com>2012-03-01 09:15:01 -0600
commit5ee07f2a498e0a5f4a9994317c0f2e451e27b4f2 (patch)
tree8d8cc50a7de738e1e6b7a66ec27120f616b3919a /drivers/video/omap2/dss/dpi.c
parent5f269e50cb10cd1a74b89f7fda87b0c9082754f0 (diff)
parent44fb3170ae46f8de964a4bb5b0504e865a6dd7da (diff)
Merge commit 'v3.2.9' into rt-3.2.9-rt13v3.2.9-rt13
Diffstat (limited to 'drivers/video/omap2/dss/dpi.c')
-rw-r--r--drivers/video/omap2/dss/dpi.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/video/omap2/dss/dpi.c b/drivers/video/omap2/dss/dpi.c
index 976ac23dcd0c..c04205c764f8 100644
--- a/drivers/video/omap2/dss/dpi.c
+++ b/drivers/video/omap2/dss/dpi.c
@@ -180,6 +180,11 @@ int omapdss_dpi_display_enable(struct omap_dss_device *dssdev)
{
int r;
+ if (cpu_is_omap34xx() && !dpi.vdds_dsi_reg) {
+ DSSERR("no VDSS_DSI regulator\n");
+ return -ENODEV;
+ }
+
if (dssdev->manager == NULL) {
DSSERR("failed to enable display: no manager\n");
return -ENODEV;