x86, olpc-xo1-sci: Propagate power supply/battery events

EC events indicate change in AC power connectivity, battery state of
charge, battery error, battery presence, etc. Send notifications to
the power supply subsystem when changes are detected.

Signed-off-by: Daniel Drake <dsd@laptop.org>
Link: http://lkml.kernel.org/r/1309019658-1712-10-git-send-email-dsd@laptop.org
Acked-by: Andres Salomon <dilinger@queued.net>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 350ccbb4d650..a6aefbbc5cbf 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2082,7 +2082,7 @@ config OLPC_XO1_PM
 
 config OLPC_XO1_SCI
         bool "OLPC XO-1 SCI extras"
-        depends on OLPC && OLPC_XO1_PM
+        depends on OLPC && OLPC_XO1_PM && POWER_SUPPLY
         select GPIO_CS5535
         select MFD_CORE
         ---help---
@@ -2091,6 +2091,8 @@ config OLPC_XO1_SCI
            - Power button
            - Ebook switch
            - Lid switch
+           - AC adapter status updates
+           - Battery status updates
 
 endif # X86_32