Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
47 lines
740 B
ReStructuredText
47 lines
740 B
ReStructuredText
.. -*- coding: utf-8; mode: rst -*-
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.. _CA_SET_DESCR:
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============
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CA_SET_DESCR
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============
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Name
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----
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CA_SET_DESCR
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Synopsis
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--------
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.. c:function:: int ioctl(fd, CA_SET_DESCR, struct ca_descr *desc)
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:name: CA_SET_DESCR
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Arguments
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---------
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``fd``
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File descriptor returned by a previous call to :c:func:`open() <cec-open>`.
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``msg``
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Pointer to struct :c:type:`ca_descr`.
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Description
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-----------
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CA_SET_DESCR is used for feeding descrambler CA slots with descrambling
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keys (refered as control words).
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Return Value
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------------
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On success 0 is returned.
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On error -1 is returned, and the ``errno`` variable is set
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appropriately.
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Generic error codes are described at the
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:ref:`Generic Error Codes <gen-errors>` chapter.
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