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authorMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-11-10 10:26:39 -0200
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-11-17 06:37:39 -0200
commit75f400b0e358b42c31162404c1e9e8511426f1e2 (patch)
tree0c19d40353841f036e0292516f05708564147ffb /drivers/media/dvb-core
parent4deea4cb471354a8abdeecc9a571dfdbac8c2481 (diff)
[media] Document the obscure dvb_frontend_reinitialise()
The dvb_frontend_reinitialise() function is a special case used by just one frontend. Document it, for completeness. Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/dvb-core')
-rw-r--r--drivers/media/dvb-core/dvb_frontend.h15
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/media/dvb-core/dvb_frontend.h b/drivers/media/dvb-core/dvb_frontend.h
index a6bc03718b1e..7d7041a8bfea 100644
--- a/drivers/media/dvb-core/dvb_frontend.h
+++ b/drivers/media/dvb-core/dvb_frontend.h
@@ -694,11 +694,24 @@ extern int dvb_unregister_frontend(struct dvb_frontend *fe);
extern void dvb_frontend_detach(struct dvb_frontend *fe);
-extern void dvb_frontend_reinitialise(struct dvb_frontend *fe);
extern int dvb_frontend_suspend(struct dvb_frontend *fe);
extern int dvb_frontend_resume(struct dvb_frontend *fe);
/**
+ * dvb_frontend_reinitialise() - forces a reinitialisation at the frontend
+ *
+ * @fe: pointer to the frontend struct
+ *
+ * Calls &dvb_frontend_ops.init() and &dvb_frontend_ops.tuner_ops.init(),
+ * and resets SEC tone and voltage (for Satellite systems).
+ *
+ * NOTE: Currently, this function is used only by one driver (budget-av).
+ * It seems to be due to address some special issue with that specific
+ * frontend.
+ */
+void dvb_frontend_reinitialise(struct dvb_frontend *fe);
+
+/**
* dvb_frontend_sleep_until() - Sleep for the amount of time given by
* add_usec parameter
*

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