Add register constants for the video lock. No functional changes.
Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
Reviewed-by: Javier Martinez Canillas <javierm@xxxxxxxxxx>
---
drivers/gpu/drm/udl/udl_modeset.c | 4 ++--
drivers/gpu/drm/udl/udl_proto.h | 5 +++++
2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c
index f8562d46b707..ea0388ccbd7e 100644
--- a/drivers/gpu/drm/udl/udl_modeset.c
+++ b/drivers/gpu/drm/udl/udl_modeset.c
@@ -41,12 +41,12 @@ static char *udl_set_register(char *buf, u8 reg, u8 val)
static char *udl_vidreg_lock(char *buf)
{
- return udl_set_register(buf, 0xFF, 0x00);
+ return udl_set_register(buf, UDL_REG_VIDREG, UDL_VIDREG_LOCK);
}
static char *udl_vidreg_unlock(char *buf)
{
- return udl_set_register(buf, 0xFF, 0xFF);
+ return udl_set_register(buf, UDL_REG_VIDREG, UDL_VIDREG_UNLOCK);
}
static char *udl_set_blank_mode(char *buf, u8 mode)
diff --git a/drivers/gpu/drm/udl/udl_proto.h b/drivers/gpu/drm/udl/udl_proto.h
index 22bc1ae8420c..8e7d1a090644 100644
--- a/drivers/gpu/drm/udl/udl_proto.h
+++ b/drivers/gpu/drm/udl/udl_proto.h
@@ -31,4 +31,9 @@
#define UDL_BLANKMODE_HSYNC_OFF 0x05 /* hsync off, blanked */
#define UDL_BLANKMODE_POWERDOWN 0x07 /* powered off; requires modeset */
+/* Lock/unlock video registers */
+#define UDL_REG_VIDREG 0xff
+#define UDL_VIDREG_LOCK 0x00
+#define UDL_VIDREG_UNLOCK 0xff
+
#endif
--
2.37.3
