diff -urN pwc.orig/pwc-if.c pwc/pwc-if.c
--- pwc.orig/pwc-if.c	2007-04-07 04:02:48.000000000 +0800
+++ pwc/pwc-if.c	2007-12-14 13:08:04.000000000 +0800
@@ -1187,7 +1187,7 @@
 
 	/* Initialize the webcam to sane value */
 	pwc_set_brightness(pdev, 0x7fff);
-	pwc_set_agc(pdev, 1, 0);
+	//pwc_set_agc(pdev, 1, 0);
 
 	pdev->vopen++;
 	file->private_data = vdev;