From: Mauro Carvalho Chehab <mchehab@redhat.com>
Date: Thu, 8 Dec 2011 14:58:22 +0000 (-0200)
Subject: [media] xc5000,tda18271c2dd: Fix bandwidth calculus
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=78bd3dc8dafc48f11fb761bc01b16e045638fec8;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

[media] xc5000,tda18271c2dd: Fix bandwidth calculus

While here, add a debug message, to easy detecting bugs on it.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

diff --git a/drivers/media/common/tuners/xc5000.c b/drivers/media/common/tuners/xc5000.c
index ecd1f95726e2..19990bcbf5b2 100644
--- a/drivers/media/common/tuners/xc5000.c
+++ b/drivers/media/common/tuners/xc5000.c
@@ -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__);
diff --git a/drivers/media/dvb/frontends/tda18271c2dd.c b/drivers/media/dvb/frontends/tda18271c2dd.c
index de544f6a4d70..b66ca29704fc 100644
--- a/drivers/media/dvb/frontends/tda18271c2dd.c
+++ b/drivers/media/dvb/frontends/tda18271c2dd.c
@@ -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)