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authorIngo Molnar <mingo@elte.hu>2012-03-01 10:26:41 +0100
committerIngo Molnar <mingo@elte.hu>2012-03-01 10:26:43 +0100
commit7e4d960993331e92567f0180e45322a93e6780ba (patch)
tree4d7444035303fc0b545e88afbd894176344fb2a3 /drivers/video/omap2/dss/dpi.c
parentsched: Make initial SCHED_RR timeslace DEF_TIMESLICE (diff)
parentecryptfs: fix printk format warning for size_t (diff)
downloadlinux-7e4d960993331e92567f0180e45322a93e6780ba.tar.xz
linux-7e4d960993331e92567f0180e45322a93e6780ba.zip
Merge branch 'linus' into sched/core
Merge reason: we'll queue up dependent patches. Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 395d658a94fc..faaf305fda27 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;