ideapad: define cfg bits and create sysfs node for cfg

Create /sys/devices/platform/ideapad/cfg for showing cfg value.

Signed-off-by: Ike Panhc <ike.pan@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/Documentation/ABI/testing/sysfs-platform-ideapad-laptop b/Documentation/ABI/testing/sysfs-platform-ideapad-laptop
index 807fca2ae2a4..ff53183c3848 100644
--- a/Documentation/ABI/testing/sysfs-platform-ideapad-laptop
+++ b/Documentation/ABI/testing/sysfs-platform-ideapad-laptop
@@ -4,3 +4,20 @@ KernelVersion:	2.6.37
 Contact:        "Ike Panhc <ike.pan@canonical.com>"
 Description:
                 Control the power of camera module. 1 means on, 0 means off.
+
+What:           /sys/devices/platform/ideapad/cfg
+Date:           Jun 2011
+KernelVersion:  3.1
+Contact:        "Ike Panhc <ike.pan@canonical.com>"
+Description:
+                Ideapad capability bits.
+                Bit 8-10: 1 - Intel graphic only
+                          2 - ATI graphic only
+                          3 - Nvidia graphic only
+                          4 - Intel and ATI graphic
+                          5 - Intel and Nvidia graphic
+                Bit 16: Bluetooth exist (1 for exist)
+                Bit 17: 3G exist (1 for exist)
+                Bit 18: Wifi exist (1 for exist)
+                Bit 19: Camera exist (1 for exist)
+