iio: gyro: bmg160: Don't let interrupt mode to be open drain

Change the mode to push/pull type instead of open drain as some
platforms fails to drive the GPIO pin with open drain.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/gyro/bmg160.c b/drivers/iio/gyro/bmg160.c
index 22bf9db..fa2e376 100644 (file)
--- a/drivers/iio/gyro/bmg160.c
+++ b/drivers/iio/gyro/bmg160.c
@@ -67,6 +67,9 @@
 #define BMG160_REG_INT_EN_0            0x15
 #define BMG160_DATA_ENABLE_INT         BIT(7)
 
+#define BMG160_REG_INT_EN_1            0x16
+#define BMG160_INT1_BIT_OD             BIT(1)
+
 #define BMG160_REG_XOUT_L              0x02
 #define BMG160_AXIS_TO_REG(axis)       (BMG160_REG_XOUT_L + (axis * 2))
 
@@ -222,6 +225,19 @@ static int bmg160_chip_init(struct bmg160_data *data)
        data->slope_thres = ret;
 
        /* Set default interrupt mode */
+       ret = i2c_smbus_read_byte_data(data->client, BMG160_REG_INT_EN_1);
+       if (ret < 0) {
+               dev_err(&data->client->dev, "Error reading reg_int_en_1\n");
+               return ret;
+       }
+       ret &= ~BMG160_INT1_BIT_OD;
+       ret = i2c_smbus_write_byte_data(data->client,
+                                       BMG160_REG_INT_EN_1, ret);
+       if (ret < 0) {
+               dev_err(&data->client->dev, "Error writing reg_int_en_1\n");
+               return ret;
+       }
+
        ret = i2c_smbus_write_byte_data(data->client,
                                        BMG160_REG_INT_RST_LATCH,
                                        BMG160_INT_MODE_LATCH_INT |