From ac3852c41b36cb408bea1400892dd6c61c3b225a Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Fri, 30 Dec 2011 09:30:25 -0300 Subject: [PATCH] [media] dvb_frontend: Fix inversion breakage due to DVBv5 conversion On several places inside dvb_frontend, only the DVBv3 parameters were updated. Change it to be sure that, on all places, the DVBv5 parameters will be changed instead. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.c | 38 +++++++++++++++++-------------- 1 file changed, 21 insertions(+), 17 deletions(-) diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 5f5a0ca..0ab473c 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -288,12 +288,13 @@ static int dvb_frontend_swzigzag_autotune(struct dvb_frontend *fe, int check_wra int ready = 0; int fe_set_err = 0; struct dvb_frontend_private *fepriv = fe->frontend_priv; - int original_inversion = fepriv->parameters_in.inversion; - u32 original_frequency = fepriv->parameters_in.frequency; + struct dtv_frontend_properties *c = &fe->dtv_property_cache, tmp; + int original_inversion = c->inversion; + u32 original_frequency = c->frequency; /* are we using autoinversion? */ autoinversion = ((!(fe->ops.info.caps & FE_CAN_INVERSION_AUTO)) && - (fepriv->parameters_in.inversion == INVERSION_AUTO)); + (c->inversion == INVERSION_AUTO)); /* setup parameters correctly */ while(!ready) { @@ -359,19 +360,20 @@ static int dvb_frontend_swzigzag_autotune(struct dvb_frontend *fe, int check_wra fepriv->auto_step, fepriv->auto_sub_step, fepriv->started_auto_step); /* set the frontend itself */ - fepriv->parameters_in.frequency += fepriv->lnb_drift; + c->frequency += fepriv->lnb_drift; if (autoinversion) - fepriv->parameters_in.inversion = fepriv->inversion; + c->inversion = fepriv->inversion; + tmp = *c; if (fe->ops.set_frontend) fe_set_err = fe->ops.set_frontend(fe); - fepriv->parameters_out = fepriv->parameters_in; + *c = tmp; if (fe_set_err < 0) { fepriv->state = FESTATE_ERROR; return fe_set_err; } - fepriv->parameters_in.frequency = original_frequency; - fepriv->parameters_in.inversion = original_inversion; + c->frequency = original_frequency; + c->inversion = original_inversion; fepriv->auto_sub_step++; return 0; @@ -382,6 +384,7 @@ static void dvb_frontend_swzigzag(struct dvb_frontend *fe) fe_status_t s = 0; int retval = 0; struct dvb_frontend_private *fepriv = fe->frontend_priv; + struct dtv_frontend_properties *c = &fe->dtv_property_cache, tmp; /* if we've got no parameters, just keep idling */ if (fepriv->state & FESTATE_IDLE) { @@ -393,9 +396,10 @@ static void dvb_frontend_swzigzag(struct dvb_frontend *fe) /* in SCAN mode, we just set the frontend when asked and leave it alone */ if (fepriv->tune_mode_flags & FE_TUNE_MODE_ONESHOT) { if (fepriv->state & FESTATE_RETUNE) { + tmp = *c; if (fe->ops.set_frontend) retval = fe->ops.set_frontend(fe); - fepriv->parameters_out = fepriv->parameters_in; + *c = tmp; if (retval < 0) fepriv->state = FESTATE_ERROR; else @@ -425,8 +429,8 @@ static void dvb_frontend_swzigzag(struct dvb_frontend *fe) /* if we're tuned, then we have determined the correct inversion */ if ((!(fe->ops.info.caps & FE_CAN_INVERSION_AUTO)) && - (fepriv->parameters_in.inversion == INVERSION_AUTO)) { - fepriv->parameters_in.inversion = fepriv->inversion; + (c->inversion == INVERSION_AUTO)) { + c->inversion = fepriv->inversion; } return; } @@ -1976,14 +1980,14 @@ static int dvb_frontend_ioctl_legacy(struct file *file, /* force auto frequency inversion if requested */ if (dvb_force_auto_inversion) { - fepriv->parameters_in.inversion = INVERSION_AUTO; + c->inversion = INVERSION_AUTO; } if (fe->ops.info.type == FE_OFDM) { /* without hierarchical coding code_rate_LP is irrelevant, * so we tolerate the otherwise invalid FEC_NONE setting */ - if (fepriv->parameters_in.u.ofdm.hierarchy_information == HIERARCHY_NONE && - fepriv->parameters_in.u.ofdm.code_rate_LP == FEC_NONE) - fepriv->parameters_in.u.ofdm.code_rate_LP = FEC_AUTO; + if (c->hierarchy == HIERARCHY_NONE && + c->code_rate_LP == FEC_NONE) + c->code_rate_LP = FEC_AUTO; } /* get frontend-specific tuning settings */ @@ -1996,8 +2000,8 @@ static int dvb_frontend_ioctl_legacy(struct file *file, switch(fe->ops.info.type) { case FE_QPSK: fepriv->min_delay = HZ/20; - fepriv->step_size = fepriv->parameters_in.u.qpsk.symbol_rate / 16000; - fepriv->max_drift = fepriv->parameters_in.u.qpsk.symbol_rate / 2000; + fepriv->step_size = c->symbol_rate / 16000; + fepriv->max_drift = c->symbol_rate / 2000; break; case FE_QAM: -- 2.7.4