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authorArnd Bergmann <arnd@arndb.de>2012-02-28 16:42:14 +0400
committerArnd Bergmann <arnd@arndb.de>2012-02-28 16:42:21 +0400
commitfb0b82b32ce17564bc64cede50bf4a3204eecc60 (patch)
tree00b5e466074c6fb373d64c493b3341186024acc7 /drivers/video/omap2/dss/dpi.c
parenta173fc693b25216c5c834978f4fafd731fd4ff94 (diff)
parent43de6a7dda6e9a7345e218e688f2092f991126f0 (diff)
downloadlinux-fb0b82b32ce17564bc64cede50bf4a3204eecc60.tar.xz
Merge branch 'board-specific' of git://github.com/hzhuang1/linux into next/boards
* 'board-specific' of git://github.com/hzhuang1/linux: (5 commits) ARM: pxa: add dummy clock for pxa25x and pxa27x ARM: mmp: append irq name of gpio device pxa/hx4700: Fix PXA_GPIO_IRQ_BASE/IRQ_NUM values pxa/hx4700: Add ASIC3 LED support pxa/hx4700: Correct StrataFlash block size discovery (update to v3.3-rc5)
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;