1 .. Permission is granted to copy, distribute and/or modify this
2 .. document under the terms of the GNU Free Documentation License,
3 .. Version 1.1 or any later version published by the Free Software
4 .. Foundation, with no Invariant Sections, no Front-Cover Texts
5 .. and no Back-Cover Texts. A copy of the license is included at
6 .. Documentation/userspace-api/media/fdl-appendix.rst.
8 .. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections
10 .. _FE_READ_UNCORRECTED_BLOCKS:
12 **************************
13 FE_READ_UNCORRECTED_BLOCKS
14 **************************
19 FE_READ_UNCORRECTED_BLOCKS
21 .. attention:: This ioctl is deprecated.
26 .. c:function:: int ioctl( int fd, FE_READ_UNCORRECTED_BLOCKS, uint32_t *ublocks)
27 :name: FE_READ_UNCORRECTED_BLOCKS
34 File descriptor returned by :c:func:`open() <dvb-fe-open>`.
37 The total number of uncorrected blocks seen by the driver so far.
43 This ioctl call returns the number of uncorrected blocks detected by the
44 device driver during its lifetime. For meaningful measurements, the
45 increment in block count during a specific time interval should be
46 calculated. For this command, read-only access to the device is
53 On success 0 is returned.
55 On error -1 is returned, and the ``errno`` variable is set
58 Generic error codes are described at the
59 :ref:`Generic Error Codes <gen-errors>` chapter.