power: supply: lenovo_yoga_c630_battery: add Lenovo C630 driver

On the Lenovo Yoga C630 WOS laptop the EC provides access to the adapter
and battery status. Add the driver to read power supply status on the
laptop.

Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Dmitry Baryshkov <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Sebastian Reichel <[email protected]>

Author: lumag

drivers/power/supply/Kconfig

@@ -167,6 +167,15 @@ config BATTERY_LEGO_EV3
 	help
 	  Say Y here to enable support for the LEGO MINDSTORMS EV3 battery.
 
+config BATTERY_LENOVO_YOGA_C630
+	tristate "Lenovo Yoga C630 battery"
+	depends on EC_LENOVO_YOGA_C630
+	help
+	  This driver enables battery support on the Lenovo Yoga C630 laptop.
+
+	  To compile the driver as a module, choose M here: the module will be
+	  called lenovo_yoga_c630_battery.
+
 config BATTERY_PMU
 	tristate "Apple PMU battery"
 	depends on PPC32 && ADB_PMU

drivers/power/supply/Makefile

@@ -32,6 +32,7 @@ obj-$(CONFIG_BATTERY_DS2782)	+= ds2782_battery.o
 obj-$(CONFIG_BATTERY_GAUGE_LTC2941)	+= ltc2941-battery-gauge.o
 obj-$(CONFIG_BATTERY_GOLDFISH)	+= goldfish_battery.o
 obj-$(CONFIG_BATTERY_LEGO_EV3)	+= lego_ev3_battery.o
+obj-$(CONFIG_BATTERY_LENOVO_YOGA_C630) += lenovo_yoga_c630_battery.o
 obj-$(CONFIG_BATTERY_PMU)	+= pmu_battery.o
 obj-$(CONFIG_BATTERY_QCOM_BATTMGR)	+= qcom_battmgr.o
 obj-$(CONFIG_BATTERY_OLPC)	+= olpc_battery.o