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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-03-19 15:56:39 +0100
committerTomi Valkeinen <tomi.valkeinen@ti.com>2012-04-23 09:48:05 +0200
commitec8741078d0a644d68827c8a347ac6be153622b5 (patch)
treeecc4429b24c977502a319a7e89214c97dc14e87a /drivers
parentOMAP: DSS2: Remove suspicous and unused TAAL regulator API usage (diff)
downloadlinux-ec8741078d0a644d68827c8a347ac6be153622b5.tar.xz
linux-ec8741078d0a644d68827c8a347ac6be153622b5.zip
OMAPDSS: VENC: Check for errors from regulator_enable()
It is possible for regulator_enable() to fail and if it does fail that's generally a bad sign for anything we try to do with the hardware afterwards so check for and immediately return an error if regulator_enable() fails. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/video/omap2/dss/venc.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/video/omap2/dss/venc.c b/drivers/video/omap2/dss/venc.c
index 9c3daf71750c..abfbd4ac3e22 100644
--- a/drivers/video/omap2/dss/venc.c
+++ b/drivers/video/omap2/dss/venc.c
@@ -443,7 +443,9 @@ static int venc_power_on(struct omap_dss_device *dssdev)
dispc_set_digit_size(dssdev->panel.timings.x_res,
dssdev->panel.timings.y_res/2);
- regulator_enable(venc.vdda_dac_reg);
+ r = regulator_enable(venc.vdda_dac_reg);
+ if (r)
+ goto err;
if (dssdev->platform_enable)
dssdev->platform_enable(dssdev);