diff options
Diffstat (limited to 'Documentation/DocBook/media/v4l/gen-errors.xml')
| -rw-r--r-- | Documentation/DocBook/media/v4l/gen-errors.xml | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/Documentation/DocBook/media/v4l/gen-errors.xml b/Documentation/DocBook/media/v4l/gen-errors.xml index c9818799764..7c1980e8747 100644 --- a/Documentation/DocBook/media/v4l/gen-errors.xml +++ b/Documentation/DocBook/media/v4l/gen-errors.xml @@ -8,7 +8,7 @@ <!-- Keep it ordered alphabetically --> <row> <entry>EBADF</entry> - <entry><parameter>fd</parameter> is not a valid open file descriptor.</entry> + <entry>The file descriptor is not a valid.</entry> </row> <row> <entry>EBUSY</entry> @@ -21,18 +21,21 @@ </row> <row> <entry>EFAULT</entry> - <entry><parameter>fd</parameter> is not a valid open file descriptor.</entry> + <entry>There was a failure while copying data from/to userspace, + probably caused by an invalid pointer reference.</entry> </row> <row> <entry>EINVAL</entry> - <entry>One or more of the ioctl parameters are invalid. This is a widely - used error code. See the individual ioctl requests for actual causes.</entry> + <entry>One or more of the ioctl parameters are invalid or out of the + allowed range. This is a widely used error code. See the individual + ioctl requests for specific causes.</entry> </row> <row> <entry>EINVAL or ENOTTY</entry> <entry>The ioctl is not supported by the driver, actually meaning that the required functionality is not available, or the file - descriptor is not for a media device.</entry> + descriptor is not for a media device. The usage of EINVAL is + deprecated and will be fixed on a latter patch.</entry> </row> <row> <entry>ENODEV</entry> @@ -49,6 +52,17 @@ 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> |