Input: mpu3050 - ensure we enable interrupts

This also changes the devname parameter delivered to
request_threaded_irq() from "mpu_int" to "mpu3050".

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 12 insertions, 1 deletions

diff --git a/drivers/input/misc/mpu3050.c b/drivers/input/misc/mpu3050.c
index e9a57e3dba08..ebec0baa1e36 100644
--- a/drivers/input/misc/mpu3050.c
+++ b/drivers/input/misc/mpu3050.c
@@ -148,9 +148,20 @@ static void mpu3050_set_power_mode(struct i2c_client *client, u8 val)
 static int mpu3050_input_open(struct input_dev *input)
 {
         struct mpu3050_sensor *sensor = input_get_drvdata(input);
+        int error;
 
         pm_runtime_get(sensor->dev);
 
+        /* Enable interrupts */
+        error = i2c_smbus_write_byte_data(sensor->client, MPU3050_INT_CFG,
+                                          MPU3050_LATCH_INT_EN |
+                                          MPU3050_RAW_RDY_EN |
+                                          MPU3050_MPU_RDY_EN);
+        if (error < 0) {
+                pm_runtime_put(sensor->dev);
+                return error;
+        }
+
         return 0;
 }
 
@@ -259,7 +270,7 @@ static int __devinit mpu3050_probe(struct i2c_client *client,
         error = request_threaded_irq(client->irq,
                                      NULL, mpu3050_interrupt_thread,
                                      IRQF_TRIGGER_RISING,
-                                     "mpu_int", sensor);
+                                     "mpu3050", sensor);
         if (error) {
                 dev_err(&client->dev,
                         "can't get IRQ %d, error %d\n", client->irq, error);