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charcell: Fix lockup after some scrolling lines.

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Change-Id: I5cabbd396e2a6d4e9fd8e92090624643797af34a
This commit is contained in:
Thomas Martitz 2014-01-26 17:56:55 +01:00
parent 946c348e5c
commit 9892b39567
1 changed files with 5 additions and 1 deletions
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6
firmware/drivers/lcd-charcell.c
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@ -354,7 +354,7 @@ void lcd_clear_display(void)
int x, y;
struct viewport* old_vp = current_vp;
lcd_scroll_info.lines = 0;
lcd_scroll_stop();
lcd_remove_cursor();
/* Set the default viewport - required for lcd_putxchar */
@ -578,6 +578,10 @@ bool lcd_putsxy_scroll_func(int x, int y, const unsigned char *string,
static void lcd_scroll_fn(struct scrollinfo* s)
{
/* with line == NULL when scrolling stops. This scroller
* maintains no userdata so there is nothing left to do */
if (!s->line)
return;
lcd_putsxyofs(s->x, s->y, s->offset, s->line);
if (lcd_cursor.enabled)
{