backlight: Allow enable/disable of fb backlights, fixing regressions

[safe/jmp/linux-2.6] / drivers / video / riva / fbdev.c

diff --git a/drivers/video/riva/fbdev.c b/drivers/video/riva/fbdev.c
index f8a3d60..1d1c7c6 100644 (file)
--- a/drivers/video/riva/fbdev.c
+++ b/drivers/video/riva/fbdev.c
@@ -215,6 +215,11 @@ static int noaccel   __devinitdata = 0;
 #ifdef CONFIG_MTRR
 static int nomtrr __devinitdata = 0;
 #endif
+#ifdef CONFIG_PMAC_BACKLIGHT
+static int backlight __devinitdata = 1;
+#else
+static int backlight __devinitdata = 0;
+#endif
 
 static char *mode_option __devinitdata = NULL;
 static int  strictmode       = 0;
@@ -2059,7 +2064,10 @@ static int __devinit rivafb_probe(struct pci_dev *pd,
        info->monspecs.modedb = NULL;
 
        pci_set_drvdata(pd, info);
-       riva_bl_init(info->par);
+
+       if (backlight)
+               riva_bl_init(info->par);
+
        ret = register_framebuffer(info);
        if (ret < 0) {
                printk(KERN_ERR PFX
@@ -2157,6 +2165,8 @@ static int __init rivafb_setup(char *options)
                                forceCRTC = -1;
                } else if (!strncmp(this_opt, "flatpanel", 9)) {
                        flatpanel = 1;
+               } else if (!strncmp(this_opt, "backlight:", 10)) {
+                       backlight = simple_strtoul(this_opt+10, NULL, 0);
 #ifdef CONFIG_MTRR
                } else if (!strncmp(this_opt, "nomtrr", 6)) {
                        nomtrr = 1;