[media] xc5000,tda18271c2dd: Fix bandwidth calculus
authorMauro Carvalho Chehab <mchehab@redhat.com>
Thu, 8 Dec 2011 14:58:22 +0000 (12:58 -0200)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Thu, 8 Dec 2011 19:04:38 +0000 (17:04 -0200)
While here, add a debug message, to easy detecting bugs on it.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/common/tuners/xc5000.c
drivers/media/dvb/frontends/tda18271c2dd.c

index ecd1f95..19990bc 100644 (file)
@@ -708,9 +708,9 @@ static int xc5000_set_params(struct dvb_frontend *fe,
                         * is equal to 0.15 for Annex A, and 0.13 for annex C
                         */
                        if (fe->dtv_property_cache.rolloff == ROLLOFF_13)
-                               bw = (params->u.qam.symbol_rate * 13) / 10;
+                               bw = (params->u.qam.symbol_rate * 113) / 100;
                        else
-                               bw = (params->u.qam.symbol_rate * 15) / 10;
+                               bw = (params->u.qam.symbol_rate * 115) / 100;
                        if (bw <= 6000000) {
                                priv->bandwidth = BANDWIDTH_6_MHZ;
                                priv->video_standard = DTV6;
@@ -720,6 +720,8 @@ static int xc5000_set_params(struct dvb_frontend *fe,
                                priv->video_standard = DTV7_8;
                                priv->freq_hz = params->frequency - 2750000;
                        }
+                       dprintk(1, "%s() Bandwidth %dMHz (%d)\n", __func__,
+                               BANDWIDTH_6_MHZ ? 6: 8, bw);
                        break;
                default:
                        dprintk(1, "%s() Unsupported QAM type\n", __func__);
index de544f6..b66ca29 100644 (file)
@@ -1158,9 +1158,9 @@ static int set_params(struct dvb_frontend *fe,
                 * is equal to 0.15 for Annex A, and 0.13 for annex C
                 */
                if (fe->dtv_property_cache.rolloff == ROLLOFF_13)
-                       bw = (params->u.qam.symbol_rate * 13) / 10;
+                       bw = (params->u.qam.symbol_rate * 113) / 100;
                else
-                       bw = (params->u.qam.symbol_rate * 15) / 10;
+                       bw = (params->u.qam.symbol_rate * 115) / 100;
                if (bw <= 6000000)
                        Standard = HF_DVBC_6MHZ;
                else if (bw <= 7000000)