Merge ../ntfs-2.6-devel

[linux-2.6] / Documentation / usb / sn9c102.txt

diff --git a/Documentation/usb/sn9c102.txt b/Documentation/usb/sn9c102.txt
index 541b17fd27f64784d8d4ae8bb66e0ed1dd3ab350..c6b76414172cd74455103acbec763b2e49882b90 100644 (file)
--- a/Documentation/usb/sn9c102.txt
+++ b/Documentation/usb/sn9c102.txt
@@ -111,6 +111,12 @@ corresponding modules must be compiled:
        #
        CONFIG_VIDEO_DEV=m
 
+To enable advanced debugging functionality on the device through /sysfs:
+
+       # Multimedia devices
+       #
+       CONFIG_VIDEO_ADV_DEBUG=y
+
        # USB support
        #
        CONFIG_USB=m
@@ -208,7 +214,8 @@ Default:        2
 
 8. Optional device control through "sysfs" [1]
 ==========================================
-It is possible to read and write both the SN9C10x and the image sensor
+If the kernel has been compiled with the CONFIG_VIDEO_ADV_DEBUG option enabled,
+it is possible to read and write both the SN9C10x and the image sensor
 registers by using the "sysfs" filesystem interface.
 
 Every time a supported device is recognized, a write-only file named "green" is