diff options
Diffstat (limited to 'Documentation/DocBook/media/v4l/gen-errors.xml')
| -rw-r--r-- | Documentation/DocBook/media/v4l/gen-errors.xml | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/Documentation/DocBook/media/v4l/gen-errors.xml b/Documentation/DocBook/media/v4l/gen-errors.xml index 5bbf3ce1973a..7e29a4e1f696 100644 --- a/Documentation/DocBook/media/v4l/gen-errors.xml +++ b/Documentation/DocBook/media/v4l/gen-errors.xml @@ -7,6 +7,15 @@ <tbody valign="top"> <!-- Keep it ordered alphabetically --> <row> + <entry>EAGAIN (aka EWOULDBLOCK)</entry> + <entry>The ioctl can't be handled because the device is in state where + it can't perform it. This could happen for example in case where + device is sleeping and ioctl is performed to query statistics. + It is also returned when the ioctl would need to wait + for an event, but the device was opened in non-blocking mode. + </entry> + </row> + <row> <entry>EBADF</entry> <entry>The file descriptor is not a valid.</entry> </row> @@ -51,21 +60,11 @@ for periodic transfers (up to 80% of the USB bandwidth).</entry> </row> <row> - <entry>ENOSYS or EOPNOTSUPP</entry> - <entry>Function not available for this device (dvb API only. Will likely - be replaced anytime soon by ENOTTY).</entry> - </row> - <row> <entry>EPERM</entry> <entry>Permission denied. Can be returned if the device needs write permission, or some special capabilities is needed (e. g. root)</entry> </row> - <row> - <entry>EWOULDBLOCK</entry> - <entry>Operation would block. Used when the ioctl would need to wait - for an event, but the device was opened in non-blocking mode.</entry> - </row> </tbody> </tgroup> </table> |