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iio: accel: hid-sensor-accel-3d: Fix duplicate scan index error
When both accel_3d and gravity sensor are present, iio_device_register()
fails with "Duplicate scan index" error.
The reason for this is setting of indio_dev->num_channels based on
accel_3d channel for both gravity and accel-3d sensor. But number of
channels are not same, so for gravity it is pointing to some invalid
memory and getting scan_index to compare which may match.
To fix this issue, set the indio_dev->num_channels correctly based on
the sensor type.
Fixes: 0e377f3b9a
('iio: Add gravity sensor support')
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
parent
7fd6592d12
commit
862d1d89ad
1 changed files with 2 additions and 1 deletions
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@ -370,10 +370,12 @@ static int hid_accel_3d_probe(struct platform_device *pdev)
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name = "accel_3d";
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channel_spec = accel_3d_channels;
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channel_size = sizeof(accel_3d_channels);
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indio_dev->num_channels = ARRAY_SIZE(accel_3d_channels);
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} else {
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name = "gravity";
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channel_spec = gravity_channels;
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channel_size = sizeof(gravity_channels);
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indio_dev->num_channels = ARRAY_SIZE(gravity_channels);
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}
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ret = hid_sensor_parse_common_attributes(hsdev, hsdev->usage,
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&accel_state->common_attributes);
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@ -395,7 +397,6 @@ static int hid_accel_3d_probe(struct platform_device *pdev)
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goto error_free_dev_mem;
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}
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indio_dev->num_channels = ARRAY_SIZE(accel_3d_channels);
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indio_dev->dev.parent = &pdev->dev;
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indio_dev->info = &accel_3d_info;
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indio_dev->name = name;
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