2.4.13-pre4

 Documentation

diff -u --recursive --new-file v2.4.12/linux/Documentation/sonypi.txt linux/Documentation/sonypi.txt
--- v2.4.12/linux/Documentation/sonypi.txt   Mon Aug 27 12:41:37 2001
+++ linux/Documentation/sonypi.txt   Mon Oct 15 08:38:31 2001
@@ -15,6 +15,8 @@
    - capture button events (only on Vaio Picturebook series)
    - Fn keys
    - bluetooth button (only on C1VR model)
+   - back button (PCG-GR7/K model)
+   - lid open/close events (Z600NE model)
 
 Those events (see linux/sonypi.h) can be polled using the character device node
 /dev/sonypi (major 10, minor auto allocated or specified as a option).
@@ -36,6 +38,14 @@
 Module options:
 ---------------
 
+Several options can be passed to the sonypi driver, either by adding them
+to /etc/modules.conf file, when the driver is compiled as a module or by
+adding the following to the kernel command line (in your bootloader):
+
+   sonypi=minor[[[[,camera],fnkeyinit],verbose],compat]
+
+where:
+
    minor:       minor number of the misc device /dev/sonypi, 
          default is -1 (automatic allocation, see /proc/misc
          or kernel logs)
@@ -45,10 +55,17 @@
          in order to let the driver access to the camera
 
    fnkeyinit:   on some Vaios (C1VE, C1VR etc), the Fn key events don't
-         get enabled unless you set this parameter to 1
+         get enabled unless you set this parameter to 1.
+         Do not use this option unless it's actually necessary,
+         some Vaio models don't deal well with this option.
 
    verbose:   print unknown events from the sonypi device
 
+   compat:      uses some compatibility code for enabling the sonypi
+         events. If the driver worked for you in the past
+         (prior to version 1.5) and does not work anymore,
+         add this option and report to the author.
+
 Module use:
 -----------
 
@@ -56,7 +73,7 @@
 lines in your /etc/modules.conf file:
 
    alias char-major-10-250 sonypi
-   options sonypi minor=250 fnkeyinit=1
+   options sonypi minor=250
 
 This supposes the use of minor 250 for the sonypi device: