static void riva_bl_set_power(struct fb_info *info, int power)
{
mutex_lock(&info->bl_mutex);
- up(&info->bl_dev->sem);
- info->bl_dev->props->power = power;
- __riva_bl_update_status(info->bl_dev);
- down(&info->bl_dev->sem);
+
+ if (info->bl_dev) {
+ down(&info->bl_dev->sem);
+ info->bl_dev->props->power = power;
+ __riva_bl_update_status(info->bl_dev);
+ up(&info->bl_dev->sem);
+ }
+
mutex_unlock(&info->bl_mutex);
}
bd = backlight_device_register(name, par, &riva_bl_data);
if (IS_ERR(bd)) {
info->bl_dev = NULL;
- printk("riva: Backlight registration failed\n");
+ printk(KERN_WARNING "riva: Backlight registration failed\n");
goto error;
}
0x534 * FB_BACKLIGHT_MAX / MAX_LEVEL);
mutex_unlock(&info->bl_mutex);
- up(&bd->sem);
+ down(&bd->sem);
bd->props->brightness = riva_bl_data.max_brightness;
bd->props->power = FB_BLANK_UNBLANK;
bd->props->update_status(bd);
- down(&bd->sem);
+ up(&bd->sem);
#ifdef CONFIG_PMAC_BACKLIGHT
mutex_lock(&pmac_backlight_mutex);
NVTRACE_ENTER();
dp = pci_device_to_OF_node(pd);
for (; dp != NULL; dp = dp->child) {
- disptype = (unsigned char *)get_property(dp, "display-type", NULL);
+ disptype = get_property(dp, "display-type", NULL);
if (disptype == NULL)
continue;
if (strncmp(disptype, "LCD", 3) != 0)
continue;
for (i = 0; propnames[i] != NULL; ++i) {
- pedid = (unsigned char *)
- get_property(dp, propnames[i], NULL);
+ pedid = get_property(dp, propnames[i], NULL);
if (pedid != NULL) {
par->EDID = pedid;
NVTRACE("LCD found.\n");