[media] cec-intro.rst: mention the v4l-utils package and CEC utilities
Mention where to find the CEC utilities. Signed-off-by: Hans Verkuil <hansverk@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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@ -26,3 +26,15 @@ control just the CEC pin.
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Drivers that support CEC will create a CEC device node (/dev/cecX) to
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give userspace access to the CEC adapter. The
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:ref:`CEC_ADAP_G_CAPS` ioctl will tell userspace what it is allowed to do.
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In order to check the support and test it, it is suggested to download
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the `v4l-utils <https://git.linuxtv.org/v4l-utils.git/>`_ package. It
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provides three tools to handle CEC:
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- cec-ctl: the Swiss army knife of CEC. Allows you to configure, transmit
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and monitor CEC messages.
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- cec-compliance: does a CEC compliance test of a remote CEC device to
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determine how compliant the CEC implementation is.
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- cec-follower: emulates a CEC follower.
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