@@ -215,6 +215,33 @@ static int vt8500lcd_pan_display(struct fb_var_screeninfo *var,
return 0;
}
+/*
+ * vt8500lcd_blank():
+ * Blank the display by setting all palette values to zero. Note,
+ * True Color modes do not really use the palette, so this will not
+ * blank the display in all modes.
+ */
+static int vt8500lcd_blank(int blank, struct fb_info *info)
+{
+ int i;
+
+ switch (blank) {
+ case FB_BLANK_POWERDOWN:
+ case FB_BLANK_VSYNC_SUSPEND:
+ case FB_BLANK_HSYNC_SUSPEND:
+ case FB_BLANK_NORMAL:
+ if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR ||
+ info->fix.visual == FB_VISUAL_STATIC_PSEUDOCOLOR)
+ for (i = 0; i < 256; i++)
+ vt8500lcd_setcolreg(i, 0, 0, 0, 0, info);
+ case FB_BLANK_UNBLANK:
+ if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR ||
+ info->fix.visual == FB_VISUAL_STATIC_PSEUDOCOLOR)
+ fb_set_cmap(&info->cmap, info);
+ }
+ return 0;
+}
+
static struct fb_ops vt8500lcd_ops = {
.owner = THIS_MODULE,
.fb_set_par = vt8500lcd_set_par,
@@ -225,6 +252,7 @@ static struct fb_ops vt8500lcd_ops = {
.fb_sync = wmt_ge_sync,
.fb_ioctl = vt8500lcd_ioctl,
.fb_pan_display = vt8500lcd_pan_display,
+ .fb_blank = vt8500lcd_blank,
};
static irqreturn_t vt8500lcd_handle_irq(int irq, void *dev_id)