iio: accel: mma9551_core: typo fix in RSC APP ID

Fix typo in Reset/Suspend/Clear Application ID definition.

Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>
Reported-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
diff --git a/drivers/iio/accel/mma9551_core.c b/drivers/iio/accel/mma9551_core.c
index 2543167..54b3ae6 100644
--- a/drivers/iio/accel/mma9551_core.c
+++ b/drivers/iio/accel/mma9551_core.c
@@ -785,7 +785,7 @@
  */
 int mma9551_app_reset(struct i2c_client *client, u32 app_mask)
 {
-	return mma9551_write_config_byte(client, MMA9551_APPID_RCS,
+	return mma9551_write_config_byte(client, MMA9551_APPID_RSC,
 					 MMA9551_RSC_RESET +
 					 MMA9551_RSC_OFFSET(app_mask),
 					 MMA9551_RSC_VAL(app_mask));
diff --git a/drivers/iio/accel/mma9551_core.h b/drivers/iio/accel/mma9551_core.h
index edaa56b..79939e4 100644
--- a/drivers/iio/accel/mma9551_core.h
+++ b/drivers/iio/accel/mma9551_core.h
@@ -22,7 +22,7 @@
 #define MMA9551_APPID_TILT		0x0B
 #define MMA9551_APPID_SLEEP_WAKE	0x12
 #define MMA9551_APPID_PEDOMETER	        0x15
-#define MMA9551_APPID_RCS		0x17
+#define MMA9551_APPID_RSC		0x17
 #define MMA9551_APPID_NONE		0xff
 
 /* Reset/Suspend/Clear application app masks */