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Diffstat (limited to 'Documentation/media/uapi/dvb/fe-read-status.rst')
| -rw-r--r-- | Documentation/media/uapi/dvb/fe-read-status.rst | 85 |
1 files changed, 7 insertions, 78 deletions
diff --git a/Documentation/media/uapi/dvb/fe-read-status.rst b/Documentation/media/uapi/dvb/fe-read-status.rst index 812f086c20f5..4adb52f084ff 100644 --- a/Documentation/media/uapi/dvb/fe-read-status.rst +++ b/Documentation/media/uapi/dvb/fe-read-status.rst @@ -33,7 +33,7 @@ Arguments Description =========== -All DVB frontend devices support the ``FE_READ_STATUS`` ioctl. It is +All Digital TV frontend devices support the ``FE_READ_STATUS`` ioctl. It is used to check about the locking status of the frontend after being tuned. The ioctl takes a pointer to an integer where the status will be written. @@ -52,85 +52,14 @@ The fe_status parameter is used to indicate the current state and/or state changes of the frontend hardware. It is produced using the enum :c:type:`fe_status` values on a bitmask -.. c:type:: fe_status - -.. tabularcolumns:: |p{3.5cm}|p{14.0cm}| - -.. _fe-status: - -.. flat-table:: enum fe_status - :header-rows: 1 - :stub-columns: 0 - - - - .. row 1 - - - ID - - - Description - - - .. row 2 - - - .. _FE-HAS-SIGNAL: - - ``FE_HAS_SIGNAL`` - - - The frontend has found something above the noise level - - - .. row 3 - - - .. _FE-HAS-CARRIER: - - ``FE_HAS_CARRIER`` - - - The frontend has found a DVB signal - - - .. row 4 - - - .. _FE-HAS-VITERBI: - - ``FE_HAS_VITERBI`` - - - The frontend FEC inner coding (Viterbi, LDPC or other inner code) - is stable - - - .. row 5 - - - .. _FE-HAS-SYNC: - - ``FE_HAS_SYNC`` - - - Synchronization bytes was found - - - .. row 6 - - - .. _FE-HAS-LOCK: - - ``FE_HAS_LOCK`` - - - The DVB were locked and everything is working - - - .. row 7 - - - .. _FE-TIMEDOUT: - - ``FE_TIMEDOUT`` - - - no lock within the last about 2 seconds - - - .. row 8 - - - .. _FE-REINIT: - - ``FE_REINIT`` - - - The frontend was reinitialized, application is recommended to - reset DiSEqC, tone and parameters - Return Value ============ -On success 0 is returned, on error -1 and the ``errno`` variable is set -appropriately. The generic error codes are described at the +On success 0 is returned. + +On error -1 is returned, and the ``errno`` variable is set +appropriately. + +Generic error codes are described at the :ref:`Generic Error Codes <gen-errors>` chapter. |