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[media] gen-errors.rst: document EIO
Document the EIO error since this can happen anywhere anytime and applications should be aware of this. Also fix typo: exaustive -> exhaustive Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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@ -94,9 +94,17 @@ Generic Error Codes
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- Permission denied. Can be returned if the device needs write
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permission, or some special capabilities is needed (e. g. root)
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- .. row 11
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- ``EIO``
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- I/O error. Typically used when there are problems communicating with
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a hardware device. This could indicate broken or flaky hardware.
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It's a 'Something is wrong, I give up!' type of error.
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.. note::
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#. This list is not exaustive; ioctls may return other error codes.
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#. This list is not exhaustive; ioctls may return other error codes.
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Since errors may have side effects such as a driver reset,
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applications should abort on unexpected errors, or otherwise
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assume that the device is in a bad state.
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