disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/media/dvb-frontends/tda10021.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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     TDA10021  - Single Chip Cable Channel Receiver driver module
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 	       used on the Siemens DVB-C cards
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@@ -6,19 +7,6 @@
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     Copyright (C) 2004 Markus Schulz <msc@antzsystem.de>
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 		   Support for TDA10021
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-    This program is free software; you can redistribute it and/or modify
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-    it under the terms of the GNU General Public License as published by
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-    the Free Software Foundation; either version 2 of the License, or
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-    (at your option) any later version.
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-
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-    This program is distributed in the hope that it will be useful,
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-    but WITHOUT ANY WARRANTY; without even the implied warranty of
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-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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-    GNU General Public License for more details.
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-
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-    You should have received a copy of the GNU General Public License
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-    along with this program; if not, write to the Free Software
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-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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 */
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11
 
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 #include <linux/delay.h>
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@@ -149,26 +137,36 @@
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 {
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 	s32 BDR;
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 	s32 BDRI;
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-	s16 SFIL=0;
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+	s16 SFIL = 0;
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 	u16 NDEC = 0;
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 	u32 tmp, ratio;
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143
 
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-	if (symbolrate > XIN/2)
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-		symbolrate = XIN/2;
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-	if (symbolrate < 500000)
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+	if (symbolrate > XIN / 2)
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+		symbolrate = XIN / 2;
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+	else if (symbolrate < 500000)
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 		symbolrate = 500000;
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-	if (symbolrate < XIN/16) NDEC = 1;
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-	if (symbolrate < XIN/32) NDEC = 2;
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-	if (symbolrate < XIN/64) NDEC = 3;
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+	if (symbolrate < XIN / 16)
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+		NDEC = 1;
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+	if (symbolrate < XIN / 32)
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+		NDEC = 2;
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+	if (symbolrate < XIN / 64)
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+		NDEC = 3;
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-	if (symbolrate < (u32)(XIN/12.3)) SFIL = 1;
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-	if (symbolrate < (u32)(XIN/16))	 SFIL = 0;
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-	if (symbolrate < (u32)(XIN/24.6)) SFIL = 1;
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-	if (symbolrate < (u32)(XIN/32))	 SFIL = 0;
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-	if (symbolrate < (u32)(XIN/49.2)) SFIL = 1;
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-	if (symbolrate < (u32)(XIN/64))	 SFIL = 0;
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-	if (symbolrate < (u32)(XIN/98.4)) SFIL = 1;
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+	if (symbolrate < XIN * 10 / 123)
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+		SFIL = 1;
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+	if (symbolrate < XIN * 10 / 160)
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+		SFIL = 0;
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+	if (symbolrate < XIN * 10 / 246)
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+		SFIL = 1;
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+	if (symbolrate < XIN * 10 / 320)
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+		SFIL = 0;
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+	if (symbolrate < XIN * 10 / 492)
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+		SFIL = 1;
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+	if (symbolrate < XIN * 10 / 640)
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+		SFIL = 0;
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+	if (symbolrate < XIN * 10 / 984)
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+		SFIL = 1;
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170
 
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 	symbolrate <<= NDEC;
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 	ratio = (symbolrate << 4) / FIN;
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@@ -525,4 +523,4 @@
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 MODULE_AUTHOR("Ralph Metzler, Holger Waechtler, Markus Schulz");
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 MODULE_LICENSE("GPL");
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525
 
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-EXPORT_SYMBOL(tda10021_attach);
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+EXPORT_SYMBOL_GPL(tda10021_attach);