summaryrefslogtreecommitdiffstats
path: root/drivers/video/omap2/dss/overlay.c
diff options
context:
space:
mode:
authorTomi Valkeinen <tomi.valkeinen@ti.com>2011-05-27 14:22:16 +0300
committerTomi Valkeinen <tomi.valkeinen@ti.com>2011-07-01 12:06:49 +0300
commit332e9d70518b55a70068739bc7ea134e1d8a269b (patch)
tree5696ca3ae882643084afb9575f7c0e66b56f118a /drivers/video/omap2/dss/overlay.c
parent525dae613638320c880afcc0d8d6dd27141fc4e4 (diff)
downloadop-kernel-dev-332e9d70518b55a70068739bc7ea134e1d8a269b.zip
op-kernel-dev-332e9d70518b55a70068739bc7ea134e1d8a269b.tar.gz
OMAP: DSS2: Add new FEAT definitions for features missing from OMAP2
OMAP2 doesn't have CPR, PRELOAD nor FIR_COEF_V registers. Add new feature definitions for those, and check the feature before accessing those registers. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/video/omap2/dss/overlay.c')
-rw-r--r--drivers/video/omap2/dss/overlay.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/video/omap2/dss/overlay.c b/drivers/video/omap2/dss/overlay.c
index 0f08025..cfbfc57 100644
--- a/drivers/video/omap2/dss/overlay.c
+++ b/drivers/video/omap2/dss/overlay.c
@@ -238,6 +238,9 @@ static ssize_t overlay_global_alpha_store(struct omap_overlay *ovl,
u8 alpha;
struct omap_overlay_info info;
+ if (!dss_has_feature(FEAT_GLOBAL_ALPHA))
+ return -ENODEV;
+
r = kstrtou8(buf, 0, &alpha);
if (r)
return r;
OpenPOWER on IntegriCloud