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Diffstat (limited to 'src/drivers/drv_batt_smbus.h')
-rw-r--r--src/drivers/drv_batt_smbus.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/drivers/drv_batt_smbus.h b/src/drivers/drv_batt_smbus.h
index f12e2bfb3..57af0a0b6 100644
--- a/src/drivers/drv_batt_smbus.h
+++ b/src/drivers/drv_batt_smbus.h
@@ -45,3 +45,13 @@
/* device path */
#define BATT_SMBUS0_DEVICE_PATH "/dev/batt_smbus0"
+
+/*
+ * ioctl() definitions
+ */
+
+#define _BATT_SMBUS_IOCBASE (0x2e00)
+#define _BATT_SMBUS_IOC(_n) (_IOC(_BATT_SMBUS_IOCBASE, _n))
+
+/** retrieve battery capacity */
+#define BATT_SMBUS_GET_CAPACITY _BATT_SMBUS_IOC(1)