diff options
| author |   Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> | 2014-10-10 20:33:26 -0700 |
|---|---|---|
| committer |   Jonathan Cameron <jic23@kernel.org> | 2014-11-16 20:19:20 +0000 |
| commit | 5af6b30788d4f745e62e5cb53850f80222571d3a (patch) | |
| tree | c6888ba7332d5bdcb37715f7bc6652de74fd806f /drivers/iio | |
| parent | iio: gyro: bmg160: Error handling when mode set fails (diff) | |
| download | linux-dev-5af6b30788d4f745e62e5cb53850f80222571d3a.tar.xz linux-dev-5af6b30788d4f745e62e5cb53850f80222571d3a.zip | |
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>
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/gyro/bmg160.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/iio/gyro/bmg160.c b/drivers/iio/gyro/bmg160.c index 22bf9db538b3..fa2e3766d4a7 100644 --- 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 | |