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Commit e3943aa6 authored by Daniel Scheller's avatar Daniel Scheller Committed by Mauro Carvalho Chehab
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[media] dvb-frontends/cxd2841er: make lock wait in set_fe_tc() optional 



Don't wait for FE_HAS_LOCK in set_frontend_tc() and thus don't hammer the
lock status register with inquiries when CXD2841ER_NO_WAIT_LOCK is set
in the configuration, which also unneccessarily blocks applications until
a TS LOCK has been acquired. Rather, API and applications will check for
a TS LOCK by utilising the tune fe_op, read_status and get_frontend ops,
which is sufficient.

Signed-off-by: default avatarDaniel Scheller <d.scheller@gmx.net>
Acked-by: default avatarAbylay Ospan <aospan@netup.ru>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent 763f857e

drivers/media/dvb-frontends/cxd2841er.c

+4 −0
Original line number Diff line number Diff line
@@ -3460,6 +3460,10 @@ static int cxd2841er_set_frontend_tc(struct dvb_frontend *fe) 
		cxd2841er_tuner_set(fe);



	cxd2841er_tune_done(priv);



	if (priv->flags & CXD2841ER_NO_WAIT_LOCK)

		goto done;



	timeout = 2500;

	while (timeout > 0) {

		ret = cxd2841er_read_status_tc(fe, &status);

drivers/media/dvb-frontends/cxd2841er.h

+1 −0
Original line number Diff line number Diff line
@@ -29,6 +29,7 @@ 
#define CXD2841ER_TS_SERIAL	4	/* bit 2 */

#define CXD2841ER_ASCOT		8	/* bit 3 */

#define CXD2841ER_EARLY_TUNE	16	/* bit 4 */

#define CXD2841ER_NO_WAIT_LOCK	32	/* bit 5 */



enum cxd2841er_xtal {

	SONY_XTAL_20500, /* 20.5 MHz */