ACPI: SBS: Add support for power_supply class (and sysfs)

Add support for power_supply class and sysfs interface of it.
Refer to Documentation/power_supply_class.txt for interface description.

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 4 insertions, 5 deletions

diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 8560bc3b157b..ba6a61f7aae7 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -349,12 +349,11 @@ config ACPI_HOTPLUG_MEMORY
                 $>modprobe acpi_memhotplug 
 
 config ACPI_SBS
-        tristate "Smart Battery System (EXPERIMENTAL)"
+        tristate "Smart Battery System"
         depends on X86
-        depends on EXPERIMENTAL
+        depends on POWER_SUPPLY
         help
-          This driver adds support for the Smart Battery System.
-          A "Smart Battery" is quite old and quite rare compared
-          to today's ACPI "Control Method" battery.
+          This driver adds support for the Smart Battery System, another
+          type of access to battery information, found on some laptops.
 
 endif   # ACPI