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[media] DocBook: in non-blocking mode return EAGAIN in hwseek

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VIDIOC_S_HW_FREQ_SEEK should return EAGAIN when called in non-blocking
mode. This might change in the future if we add support for this in the
future, but right now this is not supported.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2012-09-21 08:33:38 -03:00 committed by Mauro Carvalho Chehab
parent 6473262e80
commit f9611240b9
1 changed files with 10 additions and 0 deletions
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10
Documentation/DocBook/media/v4l/vidioc-s-hw-freq-seek.xml
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@ -75,6 +75,9 @@ seek is started.</para>
<para>This ioctl is supported if the <constant>V4L2_CAP_HW_FREQ_SEEK</constant> capability is set.</para>
<para>If this ioctl is called from a non-blocking filehandle, then &EAGAIN; is
returned and no seek takes place.</para>
<table pgwide="1" frame="none" id="v4l2-hw-freq-seek">
<title>struct <structname>v4l2_hw_freq_seek</structname></title>
<tgroup cols="3">
@ -157,6 +160,13 @@ one of the values in the <structfield>type</structfield>,
fields is wrong.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><errorcode>EAGAIN</errorcode></term>
<listitem>
<para>Attempted to call <constant>VIDIOC_S_HW_FREQ_SEEK</constant>
with the filehandle in non-blocking mode.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><errorcode>ENODATA</errorcode></term>
<listitem>