video: bmp: Fix video_splash_align_axis()

Convert panel_picture_delta and axis_alignment from unsigned long
to long to insure to store correctly the difference between
panel_size and picture_size in case the panel_size is smaller
than picture_size.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
CC: Yannick Fertré <yannick.fertre@st.com>
[agust: change axis_alignment to long]
Signed-off-by: Anatolij Gustschin <agust@denx.de>
This commit is contained in:
Patrice Chotard 2019-11-20 14:11:15 +01:00 committed by Anatolij Gustschin
parent 28a4516cf1
commit 1ebf2855b4

View file

@ -157,8 +157,8 @@ __weak void fb_put_word(uchar **fb, uchar **from)
static void video_splash_align_axis(int *axis, unsigned long panel_size, static void video_splash_align_axis(int *axis, unsigned long panel_size,
unsigned long picture_size) unsigned long picture_size)
{ {
unsigned long panel_picture_delta = panel_size - picture_size; long panel_picture_delta = panel_size - picture_size;
unsigned long axis_alignment; long axis_alignment;
if (*axis == BMP_ALIGN_CENTER) if (*axis == BMP_ALIGN_CENTER)
axis_alignment = panel_picture_delta / 2; axis_alignment = panel_picture_delta / 2;