diff options
Diffstat (limited to 'Documentation/driver-api/media/dtv-frontend.rst')
| -rw-r--r-- | Documentation/driver-api/media/dtv-frontend.rst | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/Documentation/driver-api/media/dtv-frontend.rst b/Documentation/driver-api/media/dtv-frontend.rst index b362109bb131..ea43cdb5b0e4 100644 --- a/Documentation/driver-api/media/dtv-frontend.rst +++ b/Documentation/driver-api/media/dtv-frontend.rst @@ -125,7 +125,7 @@ responsible for tuning the device. It supports multiple algorithms to detect a channel, as defined at enum :c:func:`dvbfe_algo`. The algorithm to be used is obtained via ``.get_frontend_algo``. If the driver -doesn't fill its field at struct :c:type:`dvb_frontend_ops`, it will default to +doesn't fill its field at struct dvb_frontend_ops, it will default to ``DVBFE_ALGO_SW``, meaning that the dvb-core will do a zigzag when tuning, e. g. it will try first to use the specified center frequency ``f``, then, it will do ``f`` + |delta|, ``f`` - |delta|, ``f`` + 2 x |delta|, @@ -140,7 +140,7 @@ define a ``.get_frontend_algo`` function that would return ``DVBFE_ALGO_HW``. a third type (``DVBFE_ALGO_CUSTOM``), in order to allow the driver to define its own hardware-assisted algorithm. Very few hardware need to use it nowadays. Using ``DVBFE_ALGO_CUSTOM`` require to provide other - function callbacks at struct :c:type:`dvb_frontend_ops`. + function callbacks at struct dvb_frontend_ops. Attaching frontend driver to the bridge driver ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -244,7 +244,7 @@ Carrier Signal to Noise ratio (:ref:`DTV-STAT-CNR`) Having it available after inner FEC is more common. Bit counts post-FEC (:ref:`DTV-STAT-POST-ERROR-BIT-COUNT` and :ref:`DTV-STAT-POST-TOTAL-BIT-COUNT`) - - Those counters measure the number of bits and bit errors errors after + - Those counters measure the number of bits and bit errors after the forward error correction (FEC) on the inner coding block (after Viterbi, LDPC or other inner code). @@ -253,7 +253,7 @@ Bit counts post-FEC (:ref:`DTV-STAT-POST-ERROR-BIT-COUNT` and :ref:`DTV-STAT-POS see :c:type:`fe_status`). Bit counts pre-FEC (:ref:`DTV-STAT-PRE-ERROR-BIT-COUNT` and :ref:`DTV-STAT-PRE-TOTAL-BIT-COUNT`) - - Those counters measure the number of bits and bit errors errors before + - Those counters measure the number of bits and bit errors before the forward error correction (FEC) on the inner coding block (before Viterbi, LDPC or other inner code). @@ -263,7 +263,7 @@ Bit counts pre-FEC (:ref:`DTV-STAT-PRE-ERROR-BIT-COUNT` and :ref:`DTV-STAT-PRE-T after ``FE_HAS_VITERBI``, see :c:type:`fe_status`). Block counts (:ref:`DTV-STAT-ERROR-BLOCK-COUNT` and :ref:`DTV-STAT-TOTAL-BLOCK-COUNT`) - - Those counters measure the number of blocks and block errors errors after + - Those counters measure the number of blocks and block errors after the forward error correction (FEC) on the inner coding block (before Viterbi, LDPC or other inner code). |