The select/deselect_bypass duo writes the irq number into the interrupt configuration register. If there is a i2c slave device connected to the mpu (eg. a magnetometer) then this can hinder interrupt delivery for the accelerometer and gyroscope. Set this register to the default configuration. Signed-off-by: Adriana Reus <adriana.reus@xxxxxxxxx> --- * No change since the previous submitted version drivers/iio/imu/inv_mpu6050/inv_mpu_core.c | 4 ++-- drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h | 1 + 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c index 0852b7f..1121f4e 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c @@ -129,7 +129,7 @@ static int inv_mpu6050_select_bypass(struct i2c_adapter *adap, void *mux_priv, if (!ret) { st->powerup_count++; ret = inv_mpu6050_write_reg_unlocked(st, st->reg->int_pin_cfg, - st->client->irq | + INV_MPU6050_INT_PIN_CFG | INV_MPU6050_BIT_BYPASS_EN); } write_error: @@ -147,7 +147,7 @@ static int inv_mpu6050_deselect_bypass(struct i2c_adapter *adap, mutex_lock(&indio_dev->mlock); /* It doesn't really mattter, if any of the calls fails */ inv_mpu6050_write_reg_unlocked(st, st->reg->int_pin_cfg, - st->client->irq); + INV_MPU6050_INT_PIN_CFG); st->powerup_count--; if (!st->powerup_count) inv_mpu6050_write_reg_unlocked(st, st->reg->pwr_mgmt_1, diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h index db0a4a2..455b99d 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h @@ -185,6 +185,7 @@ struct inv_mpu6050_state { #define INV_MPU6050_REG_INT_PIN_CFG 0x37 #define INV_MPU6050_BIT_BYPASS_EN 0x2 +#define INV_MPU6050_INT_PIN_CFG 0 /* init parameters */ #define INV_MPU6050_INIT_FIFO_RATE 50 -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html