[media] DVB: dvb_frontend: rename parameters to parameters_in
Andreas Oberritter [Sun, 8 May 2011 23:03:37 +0000 (20:03 -0300)]
- Preparation to distinguish input parameters from output parameters.

Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/dvb-core/dvb_frontend.c

index fe6cd73..19ffb71 100644 (file)
@@ -105,7 +105,7 @@ struct dvb_frontend_private {
 
        /* thread/frontend values */
        struct dvb_device *dvbdev;
-       struct dvb_frontend_parameters parameters;
+       struct dvb_frontend_parameters parameters_in;
        struct dvb_fe_events events;
        struct semaphore sem;
        struct list_head list_head;
@@ -160,7 +160,7 @@ static void dvb_frontend_add_event(struct dvb_frontend *fe, fe_status_t status)
 
        e = &events->events[events->eventw];
 
-       memcpy (&e->parameters, &fepriv->parameters,
+       memcpy (&e->parameters, &fepriv->parameters_in,
                sizeof (struct dvb_frontend_parameters));
 
        if (status & FE_HAS_LOCK)
@@ -277,12 +277,12 @@ 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.inversion;
-       u32 original_frequency = fepriv->parameters.frequency;
+       int original_inversion = fepriv->parameters_in.inversion;
+       u32 original_frequency = fepriv->parameters_in.frequency;
 
        /* are we using autoinversion? */
        autoinversion = ((!(fe->ops.info.caps & FE_CAN_INVERSION_AUTO)) &&
-                        (fepriv->parameters.inversion == INVERSION_AUTO));
+                        (fepriv->parameters_in.inversion == INVERSION_AUTO));
 
        /* setup parameters correctly */
        while(!ready) {
@@ -348,18 +348,18 @@ 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.frequency += fepriv->lnb_drift;
+       fepriv->parameters_in.frequency += fepriv->lnb_drift;
        if (autoinversion)
-               fepriv->parameters.inversion = fepriv->inversion;
+               fepriv->parameters_in.inversion = fepriv->inversion;
        if (fe->ops.set_frontend)
-               fe_set_err = fe->ops.set_frontend(fe, &fepriv->parameters);
+               fe_set_err = fe->ops.set_frontend(fe, &fepriv->parameters_in);
        if (fe_set_err < 0) {
                fepriv->state = FESTATE_ERROR;
                return fe_set_err;
        }
 
-       fepriv->parameters.frequency = original_frequency;
-       fepriv->parameters.inversion = original_inversion;
+       fepriv->parameters_in.frequency = original_frequency;
+       fepriv->parameters_in.inversion = original_inversion;
 
        fepriv->auto_sub_step++;
        return 0;
@@ -383,7 +383,7 @@ static void dvb_frontend_swzigzag(struct dvb_frontend *fe)
                if (fepriv->state & FESTATE_RETUNE) {
                        if (fe->ops.set_frontend)
                                retval = fe->ops.set_frontend(fe,
-                                                       &fepriv->parameters);
+                                                       &fepriv->parameters_in);
                        if (retval < 0)
                                fepriv->state = FESTATE_ERROR;
                        else
@@ -413,8 +413,8 @@ 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.inversion == INVERSION_AUTO)) {
-                       fepriv->parameters.inversion = fepriv->inversion;
+                   (fepriv->parameters_in.inversion == INVERSION_AUTO)) {
+                       fepriv->parameters_in.inversion = fepriv->inversion;
                }
                return;
        }
@@ -594,7 +594,7 @@ restart:
 
                                if (fepriv->state & FESTATE_RETUNE) {
                                        dprintk("%s: Retune requested, FESTATE_RETUNE\n", __func__);
-                                       params = &fepriv->parameters;
+                                       params = &fepriv->parameters_in;
                                        fepriv->state = FESTATE_TUNED;
                                }
 
@@ -616,7 +616,7 @@ restart:
                                dprintk("%s: Frontend ALGO = DVBFE_ALGO_CUSTOM, state=%d\n", __func__, fepriv->state);
                                if (fepriv->state & FESTATE_RETUNE) {
                                        dprintk("%s: Retune requested, FESTAT_RETUNE\n", __func__);
-                                       params = &fepriv->parameters;
+                                       params = &fepriv->parameters_in;
                                        fepriv->state = FESTATE_TUNED;
                                }
                                /* Case where we are going to search for a carrier
@@ -625,7 +625,7 @@ restart:
                                 */
                                if (fepriv->algo_status & DVBFE_ALGO_SEARCH_AGAIN) {
                                        if (fe->ops.search) {
-                                               fepriv->algo_status = fe->ops.search(fe, &fepriv->parameters);
+                                               fepriv->algo_status = fe->ops.search(fe, &fepriv->parameters_in);
                                                /* We did do a search as was requested, the flags are
                                                 * now unset as well and has the flags wrt to search.
                                                 */
@@ -636,7 +636,7 @@ restart:
                                /* Track the carrier if the search was successful */
                                if (fepriv->algo_status == DVBFE_ALGO_SEARCH_SUCCESS) {
                                        if (fe->ops.track)
-                                               fe->ops.track(fe, &fepriv->parameters);
+                                               fe->ops.track(fe, &fepriv->parameters_in);
                                } else {
                                        fepriv->algo_status |= DVBFE_ALGO_SEARCH_AGAIN;
                                        fepriv->delay = HZ / 2;
@@ -1076,7 +1076,7 @@ static void dtv_property_legacy_params_sync(struct dvb_frontend *fe)
 {
        const struct dtv_frontend_properties *c = &fe->dtv_property_cache;
        struct dvb_frontend_private *fepriv = fe->frontend_priv;
-       struct dvb_frontend_parameters *p = &fepriv->parameters;
+       struct dvb_frontend_parameters *p = &fepriv->parameters_in;
 
        p->frequency = c->frequency;
        p->inversion = c->inversion;
@@ -1124,7 +1124,7 @@ static void dtv_property_adv_params_sync(struct dvb_frontend *fe)
 {
        const struct dtv_frontend_properties *c = &fe->dtv_property_cache;
        struct dvb_frontend_private *fepriv = fe->frontend_priv;
-       struct dvb_frontend_parameters *p = &fepriv->parameters;
+       struct dvb_frontend_parameters *p = &fepriv->parameters_in;
 
        p->frequency = c->frequency;
        p->inversion = c->inversion;
@@ -1361,7 +1361,7 @@ static int dtv_property_process_set(struct dvb_frontend *fe,
                dtv_property_cache_submit(fe);
 
                r = dvb_frontend_ioctl_legacy(file, FE_SET_FRONTEND,
-                       &fepriv->parameters);
+                       &fepriv->parameters_in);
                break;
        case DTV_FREQUENCY:
                fe->dtv_property_cache.frequency = tvp->u.data;
@@ -1792,7 +1792,7 @@ static int dvb_frontend_ioctl_legacy(struct file *file,
                struct dvb_frontend_tune_settings fetunesettings;
 
                if(fe->dtv_property_cache.state == DTV_TUNE) {
-                       if (dvb_frontend_check_parameters(fe, &fepriv->parameters) < 0) {
+                       if (dvb_frontend_check_parameters(fe, &fepriv->parameters_in) < 0) {
                                err = -EINVAL;
                                break;
                        }
@@ -1802,9 +1802,9 @@ static int dvb_frontend_ioctl_legacy(struct file *file,
                                break;
                        }
 
-                       memcpy (&fepriv->parameters, parg,
+                       memcpy (&fepriv->parameters_in, parg,
                                sizeof (struct dvb_frontend_parameters));
-                       dtv_property_cache_sync(fe, &fepriv->parameters);
+                       dtv_property_cache_sync(fe, &fepriv->parameters_in);
                }
 
                memset(&fetunesettings, 0, sizeof(struct dvb_frontend_tune_settings));
@@ -1813,15 +1813,15 @@ static int dvb_frontend_ioctl_legacy(struct file *file,
 
                /* force auto frequency inversion if requested */
                if (dvb_force_auto_inversion) {
-                       fepriv->parameters.inversion = INVERSION_AUTO;
+                       fepriv->parameters_in.inversion = INVERSION_AUTO;
                        fetunesettings.parameters.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.u.ofdm.hierarchy_information == HIERARCHY_NONE &&
-                           fepriv->parameters.u.ofdm.code_rate_LP == FEC_NONE)
-                               fepriv->parameters.u.ofdm.code_rate_LP = FEC_AUTO;
+                       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;
                }
 
                /* get frontend-specific tuning settings */
@@ -1834,8 +1834,8 @@ 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.u.qpsk.symbol_rate / 16000;
-                               fepriv->max_drift = fepriv->parameters.u.qpsk.symbol_rate / 2000;
+                               fepriv->step_size = fepriv->parameters_in.u.qpsk.symbol_rate / 16000;
+                               fepriv->max_drift = fepriv->parameters_in.u.qpsk.symbol_rate / 2000;
                                break;
 
                        case FE_QAM:
@@ -1877,7 +1877,7 @@ static int dvb_frontend_ioctl_legacy(struct file *file,
 
        case FE_GET_FRONTEND:
                if (fe->ops.get_frontend) {
-                       memcpy (parg, &fepriv->parameters, sizeof (struct dvb_frontend_parameters));
+                       memcpy (parg, &fepriv->parameters_in, sizeof (struct dvb_frontend_parameters));
                        err = fe->ops.get_frontend(fe, (struct dvb_frontend_parameters*) parg);
                }
                break;