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[media] frontend.h, Docbook: Improve status documentation

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No functional changes. It just improves the description of the frontend
status, using Documentation/kernel-doc-nano-HOWTO.txt for the status
enumeration, and a table inside the DocBook.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2012-08-13 17:03:12 -03:00
commit 0d27bbfe81
2 changed files with 56 additions and 19 deletions
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29
include/linux/dvb/frontend.h
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@ -121,16 +121,27 @@ typedef enum fe_sec_mini_cmd {
} fe_sec_mini_cmd_t;
/**
* enum fe_status - enumerates the possible frontend status
* @FE_HAS_SIGNAL: found something above the noise level
* @FE_HAS_CARRIER: found a DVB signal
* @FE_HAS_VITERBI: FEC is stable
* @FE_HAS_SYNC: found sync bytes
* @FE_HAS_LOCK: everything's working
* @FE_TIMEDOUT: no lock within the last ~2 seconds
* @FE_REINIT: frontend was reinitialized, application is recommended
* to reset DiSEqC, tone and parameters
*/
typedef enum fe_status {
FE_HAS_SIGNAL = 0x01, /* found something above the noise level */
FE_HAS_CARRIER = 0x02, /* found a DVB signal */
FE_HAS_VITERBI = 0x04, /* FEC is stable */
FE_HAS_SYNC = 0x08, /* found sync bytes */
FE_HAS_LOCK = 0x10, /* everything's working... */
FE_TIMEDOUT = 0x20, /* no lock within the last ~2 seconds */
FE_REINIT = 0x40 /* frontend was reinitialized, */
} fe_status_t; /* application is recommended to reset */
/* DiSEqC, tone and parameters */
FE_HAS_SIGNAL = 0x01,
FE_HAS_CARRIER = 0x02,
FE_HAS_VITERBI = 0x04,
FE_HAS_SYNC = 0x08,
FE_HAS_LOCK = 0x10,
FE_TIMEDOUT = 0x20,
FE_REINIT = 0x40,
} fe_status_t;
typedef enum fe_spectral_inversion {
INVERSION_OFF,