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2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376 
 kernel/drivers/media/dvb-frontends/tda18271c2dd.c
....@@ -1,26 +1,12 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
12 /*
23  * tda18271c2dd: Driver for the TDA18271C2 tuner
34  *
45  * Copyright (C) 2010 Digital Devices GmbH
5
- *
6
- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License
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- * version 2 only, as published by the Free Software Foundation.
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- *
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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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- * To obtain the license, point your browser to
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- * http://www.gnu.org/copyleft/gpl.html
196  */
207 
218 #include <linux/kernel.h>
229 #include <linux/module.h>
23
-#include <linux/moduleparam.h>
2410 #include <linux/init.h>
2511 #include <linux/delay.h>
2612 #include <linux/firmware.h>
....@@ -106,7 +92,7 @@
10692 	s32   m_RF_B2[7];
10793 	u32   m_RF3[7];
10894 
109
-	u8    m_TMValue_RFCal;    /* Calibration temperatur */
95
+	u8    m_TMValue_RFCal;    /* Calibration temperature */
11096 
11197 	bool  m_bFMInput;         /* true to use Pin 8 for FM Radio */
11298 
....@@ -212,58 +198,55 @@
212198 	state->m_bFMInput = (ulFMInput == 2);
213199 }
214200 
215
-static bool SearchMap1(struct SMap Map[],
216
-		       u32 Frequency, u8 *pParam)
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+static bool SearchMap1(const struct SMap map[], u32 frequency, u8 *param)
217202 {
218203 	int i = 0;
219204 
220
-	while ((Map[i].m_Frequency != 0) && (Frequency > Map[i].m_Frequency))
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+	while ((map[i].m_Frequency != 0) && (frequency > map[i].m_Frequency))
221206 		i += 1;
222
-	if (Map[i].m_Frequency == 0)
207
+	if (map[i].m_Frequency == 0)
223208 		return false;
224
-	*pParam = Map[i].m_Param;
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+	*param = map[i].m_Param;
225210 	return true;
226211 }
227212 
228
-static bool SearchMap2(struct SMapI Map[],
229
-		       u32 Frequency, s32 *pParam)
213
+static bool SearchMap2(const struct SMapI map[], u32 frequency, s32 *param)
230214 {
231215 	int i = 0;
232216 
233
-	while ((Map[i].m_Frequency != 0) &&
234
-	       (Frequency > Map[i].m_Frequency))
217
+	while ((map[i].m_Frequency != 0) &&
218
+	       (frequency > map[i].m_Frequency))
235219 		i += 1;
236
-	if (Map[i].m_Frequency == 0)
220
+	if (map[i].m_Frequency == 0)
237221 		return false;
238
-	*pParam = Map[i].m_Param;
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+	*param = map[i].m_Param;
239223 	return true;
240224 }
241225 
242
-static bool SearchMap3(struct SMap2 Map[], u32 Frequency,
243
-		       u8 *pParam1, u8 *pParam2)
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+static bool SearchMap3(const struct SMap2 map[], u32 frequency, u8 *param1,
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+		       u8 *param2)
244228 {
245229 	int i = 0;
246230 
247
-	while ((Map[i].m_Frequency != 0) &&
248
-	       (Frequency > Map[i].m_Frequency))
231
+	while ((map[i].m_Frequency != 0) &&
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+	       (frequency > map[i].m_Frequency))
249233 		i += 1;
250
-	if (Map[i].m_Frequency == 0)
234
+	if (map[i].m_Frequency == 0)
251235 		return false;
252
-	*pParam1 = Map[i].m_Param1;
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-	*pParam2 = Map[i].m_Param2;
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+	*param1 = map[i].m_Param1;
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+	*param2 = map[i].m_Param2;
254238 	return true;
255239 }
256240 
257
-static bool SearchMap4(struct SRFBandMap Map[],
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-		       u32 Frequency, u8 *pRFBand)
241
+static bool SearchMap4(const struct SRFBandMap map[], u32 frequency, u8 *rfband)
259242 {
260243 	int i = 0;
261244 
262
-	while (i < 7 && (Frequency > Map[i].m_RF_max))
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+	while (i < 7 && (frequency > map[i].m_RF_max))
263246 		i += 1;
264247 	if (i == 7)
265248 		return false;
266
-	*pRFBand = i;
249
+	*rfband = i;
267250 	return true;
268251 }
269252 
....@@ -401,7 +384,7 @@
401384 			break;
402385 
403386 		/* Switching off LT (as datasheet says) causes calibration on C1 to fail */
404
-		/* (Readout of Cprog is allways 255) */
387
+		/* (Readout of Cprog is always 255) */
405388 		if (state->m_Regs[ID] != 0x83)    /* C1: ID == 83, C2: ID == 84 */
406389 			state->m_Regs[EP3] |= 0x40; /* SM_LT = 1 */
407390 
....@@ -645,7 +628,7 @@
645628 		if (status < 0)
646629 			break;
647630 		CID_Gain = Regs[EB10] & 0x3F;
648
-		state->m_Regs[ID] = Regs[ID];  /* Chip version, (needed for C1 workarround in CalibrateRF) */
631
+		state->m_Regs[ID] = Regs[ID];  /* Chip version, (needed for C1 workaround in CalibrateRF) */
649632 
650633 		*pRF_Out = RF_in;
651634