summaryrefslogtreecommitdiff
path: root/drivers/iio
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-07-04 18:15:03 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-07-04 18:15:03 +0300
commit7813029a509c0c92a5b16d846defaa50a2d3d7f1 (patch)
tree1962ab81537b7155d185f4b0b06c0323ff4dc509 /drivers/iio
parent3c9a6793bde1feb368cd6ef113c08a40a37f7517 (diff)
parenta99cde438de0c4c0cecc1d1af1a55a75b10bfdef (diff)
downloadlinux-7813029a509c0c92a5b16d846defaa50a2d3d7f1.tar.xz
Merge 4.7-rc6 into staging-next
We want the staging fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/iio')
-rw-r--r--drivers/iio/accel/kxsd9.c4
-rw-r--r--drivers/iio/adc/ad7266.c7
-rw-r--r--drivers/iio/imu/inv_mpu6050/inv_mpu_acpi.c5
3 files changed, 10 insertions, 6 deletions
diff --git a/drivers/iio/accel/kxsd9.c b/drivers/iio/accel/kxsd9.c
index 923f56598d4b..3a9f106787d2 100644
--- a/drivers/iio/accel/kxsd9.c
+++ b/drivers/iio/accel/kxsd9.c
@@ -81,7 +81,7 @@ static int kxsd9_write_scale(struct iio_dev *indio_dev, int micro)
mutex_lock(&st->buf_lock);
ret = spi_w8r8(st->us, KXSD9_READ(KXSD9_REG_CTRL_C));
- if (ret)
+ if (ret < 0)
goto error_ret;
st->tx[0] = KXSD9_WRITE(KXSD9_REG_CTRL_C);
st->tx[1] = (ret & ~KXSD9_FS_MASK) | i;
@@ -163,7 +163,7 @@ static int kxsd9_read_raw(struct iio_dev *indio_dev,
break;
case IIO_CHAN_INFO_SCALE:
ret = spi_w8r8(st->us, KXSD9_READ(KXSD9_REG_CTRL_C));
- if (ret)
+ if (ret < 0)
goto error_ret;
*val2 = kxsd9_micro_scales[ret & KXSD9_FS_MASK];
ret = IIO_VAL_INT_PLUS_MICRO;
diff --git a/drivers/iio/adc/ad7266.c b/drivers/iio/adc/ad7266.c
index 01240aeeeab0..11c65db14747 100644
--- a/drivers/iio/adc/ad7266.c
+++ b/drivers/iio/adc/ad7266.c
@@ -395,8 +395,8 @@ static int ad7266_probe(struct spi_device *spi)
st = iio_priv(indio_dev);
- st->reg = devm_regulator_get(&spi->dev, "vref");
- if (!IS_ERR_OR_NULL(st->reg)) {
+ st->reg = devm_regulator_get_optional(&spi->dev, "vref");
+ if (!IS_ERR(st->reg)) {
ret = regulator_enable(st->reg);
if (ret)
return ret;
@@ -407,6 +407,9 @@ static int ad7266_probe(struct spi_device *spi)
st->vref_mv = ret / 1000;
} else {
+ /* Any other error indicates that the regulator does exist */
+ if (PTR_ERR(st->reg) != -ENODEV)
+ return PTR_ERR(st->reg);
/* Use internal reference */
st->vref_mv = 2500;
}
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_acpi.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_acpi.c
index f62b8bd9ad7e..dd6fc6d21f9d 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_acpi.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_acpi.c
@@ -56,6 +56,7 @@ static int asus_acpi_get_sensor_info(struct acpi_device *adev,
int i;
acpi_status status;
union acpi_object *cpm;
+ int ret;
status = acpi_evaluate_object(adev->handle, "CNF0", NULL, &buffer);
if (ACPI_FAILURE(status))
@@ -82,10 +83,10 @@ static int asus_acpi_get_sensor_info(struct acpi_device *adev,
}
}
}
-
+ ret = cpm->package.count;
kfree(buffer.pointer);
- return cpm->package.count;
+ return ret;
}
static int acpi_i2c_check_resource(struct acpi_resource *ares, void *data)