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V4L/DVB (4160): Use device specific algorithms 

Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Manu Abraham 2006-06-21 10:27:31 -03:00 committed by Mauro Carvalho Chehab
parent 8cfba6301c
commit 0249ef16fa
2 changed files with 5 additions and 1 deletions
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4
drivers/media/dvb/dvb-core/dvb_frontend.c
View File

@ -72,6 +72,8 @@ MODULE_PARM_DESC(dvb_powerdown_on_sleep, "0: do not power down, 1: turn LNB volt
#define FESTATE_SEARCHING_FAST (FESTATE_TUNING_FAST | FESTATE_ZIGZAG_FAST)
#define FESTATE_SEARCHING_SLOW (FESTATE_TUNING_SLOW | FESTATE_ZIGZAG_SLOW)
#define FESTATE_LOSTLOCK (FESTATE_ZIGZAG_FAST | FESTATE_ZIGZAG_SLOW)
#define FE_ALGO_HW 1
/*
* FESTATE_IDLE. No tuning parameters have been supplied and the loop is idling.
* FESTATE_RETUNE. Parameters have been supplied, but we have not yet performed the first tune.
@ -554,7 +556,7 @@ static int dvb_frontend_thread(void *data)
}
/* do an iteration of the tuning loop */
if (fe->ops.tune) {
if (fe->ops.get_frontend_algo(fe) == FE_ALGO_HW) {
/* have we been asked to retune? */
params = NULL;
if (fepriv->state & FESTATE_RETUNE) {

2
drivers/media/dvb/dvb-core/dvb_frontend.h
View File

@ -102,6 +102,8 @@ struct dvb_frontend_ops {
unsigned int mode_flags,
int *delay,
fe_status_t *status);
/* get frontend tuning algorithm from the module */
int (*get_frontend_algo)(struct dvb_frontend *fe);
/* these two are only used for the swzigzag code */
int (*set_frontend)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);