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[PATCH] V4L: Miscellaneous fixes
[linux-block.git] / drivers / media / video / tuner-simple.c
CommitLineData
1da177e4 1/*
fd3113e8 2 * $Id: tuner-simple.c,v 1.43 2005/07/28 18:41:21 mchehab Exp $
1da177e4
LT		 3 *
4 * i2c tv tuner chip device driver
5 * controls all those simple 4-control-bytes style tuners.
6 */
7#include <linux/delay.h>
8#include <linux/i2c.h>
9#include <linux/videodev.h>
10#include <media/tuner.h>
11
12/* ---------------------------------------------------------------------- */
13
14/* tv standard selection for Temic 4046 FM5
15 this value takes the low bits of control byte 2
16 from datasheet Rev.01, Feb.00
17 standard BG I L L2 D
18 picture IF 38.9 38.9 38.9 33.95 38.9
19 sound 1 33.4 32.9 32.4 40.45 32.4
20 sound 2 33.16
21 NICAM 33.05 32.348 33.05 33.05
22 */
23#define TEMIC_SET_PAL_I 0x05
24#define TEMIC_SET_PAL_DK 0x09
25#define TEMIC_SET_PAL_L 0x0a // SECAM ?
26#define TEMIC_SET_PAL_L2 0x0b // change IF !
27#define TEMIC_SET_PAL_BG 0x0c
28
29/* tv tuner system standard selection for Philips FQ1216ME
30 this value takes the low bits of control byte 2
31 from datasheet "1999 Nov 16" (supersedes "1999 Mar 23")
32 standard BG DK I L L`
33 picture carrier 38.90 38.90 38.90 38.90 33.95
34 colour 34.47 34.47 34.47 34.47 38.38
35 sound 1 33.40 32.40 32.90 32.40 40.45
36 sound 2 33.16 - - - -
37 NICAM 33.05 33.05 32.35 33.05 39.80
38 */
39#define PHILIPS_SET_PAL_I 0x01 /* Bit 2 always zero !*/
40#define PHILIPS_SET_PAL_BGDK 0x09
41#define PHILIPS_SET_PAL_L2 0x0a
42#define PHILIPS_SET_PAL_L 0x0b
43
44/* system switching for Philips FI1216MF MK2
45 from datasheet "1996 Jul 09",
46 standard BG L L'
47 picture carrier 38.90 38.90 33.95
48 colour 34.47 34.37 38.38
49 sound 1 33.40 32.40 40.45
50 sound 2 33.16 - -
51 NICAM 33.05 33.05 39.80
52 */
53#define PHILIPS_MF_SET_BG 0x01 /* Bit 2 must be zero, Bit 3 is system output */
54#define PHILIPS_MF_SET_PAL_L 0x03 // France
55#define PHILIPS_MF_SET_PAL_L2 0x02 // L'
56
f7ce3cc6
MCC		 57/* Control byte */
58
59#define TUNER_RATIO_MASK 0x06 /* Bit cb1:cb2 */
60#define TUNER_RATIO_SELECT_50 0x00
61#define TUNER_RATIO_SELECT_32 0x02
62#define TUNER_RATIO_SELECT_166 0x04
63#define TUNER_RATIO_SELECT_62 0x06
64
65#define TUNER_CHARGE_PUMP 0x40 /* Bit cb6 */
66
67/* Status byte */
68
69#define TUNER_POR 0x80
70#define TUNER_FL 0x40
71#define TUNER_MODE 0x38
72#define TUNER_AFC 0x07
73#define TUNER_SIGNAL 0x07
74#define TUNER_STEREO 0x10
75
76#define TUNER_PLL_LOCKED 0x40
77#define TUNER_STEREO_MK3 0x04
1da177e4
LT		 78
79/* ---------------------------------------------------------------------- */
80
81struct tunertype
82{
83 char *name;
84 unsigned char Vendor;
85 unsigned char Type;
86
87 unsigned short thresh1; /* band switch VHF_LO <=> VHF_HI */
88 unsigned short thresh2; /* band switch VHF_HI <=> UHF */
89 unsigned char VHF_L;
90 unsigned char VHF_H;
91 unsigned char UHF;
92 unsigned char config;
93 unsigned short IFPCoff; /* 622.4=16*38.90 MHz PAL,
94 732 =16*45.75 NTSCi,
95 940 =16*58.75 NTSC-Japan
96 704 =16*44 ATSC */
97};
98
99/*
100 * The floats in the tuner struct are computed at compile time
101 * by gcc and cast back to integers. Thus we don't violate the
102 * "no float in kernel" rule.
103 */
104static struct tunertype tuners[] = {
105 { "Temic PAL (4002 FH5)", TEMIC, PAL,
106 16*140.25,16*463.25,0x02,0x04,0x01,0x8e,623},
107 { "Philips PAL_I (FI1246 and compatibles)", Philips, PAL_I,
108 16*140.25,16*463.25,0xa0,0x90,0x30,0x8e,623},
109 { "Philips NTSC (FI1236,FM1236 and compatibles)", Philips, NTSC,
110 16*157.25,16*451.25,0xA0,0x90,0x30,0x8e,732},
111 { "Philips (SECAM+PAL_BG) (FI1216MF, FM1216MF, FR1216MF)", Philips, SECAM,
112 16*168.25,16*447.25,0xA7,0x97,0x37,0x8e,623},
113
114 { "NoTuner", NoTuner, NOTUNER,
115 0,0,0x00,0x00,0x00,0x00,0x00},
116 { "Philips PAL_BG (FI1216 and compatibles)", Philips, PAL,
117 16*168.25,16*447.25,0xA0,0x90,0x30,0x8e,623},
118 { "Temic NTSC (4032 FY5)", TEMIC, NTSC,
119 16*157.25,16*463.25,0x02,0x04,0x01,0x8e,732},
120 { "Temic PAL_I (4062 FY5)", TEMIC, PAL_I,
121 16*170.00,16*450.00,0x02,0x04,0x01,0x8e,623},
122
123 { "Temic NTSC (4036 FY5)", TEMIC, NTSC,
124 16*157.25,16*463.25,0xa0,0x90,0x30,0x8e,732},
125 { "Alps HSBH1", TEMIC, NTSC,
126 16*137.25,16*385.25,0x01,0x02,0x08,0x8e,732},
127 { "Alps TSBE1",TEMIC,PAL,
128 16*137.25,16*385.25,0x01,0x02,0x08,0x8e,732},
129 { "Alps TSBB5", Alps, PAL_I, /* tested (UK UHF) with Modulartech MM205 */
130 16*133.25,16*351.25,0x01,0x02,0x08,0x8e,632},
131
132 { "Alps TSBE5", Alps, PAL, /* untested - data sheet guess. Only IF differs. */
133 16*133.25,16*351.25,0x01,0x02,0x08,0x8e,622},
134 { "Alps TSBC5", Alps, PAL, /* untested - data sheet guess. Only IF differs. */
135 16*133.25,16*351.25,0x01,0x02,0x08,0x8e,608},
136 { "Temic PAL_BG (4006FH5)", TEMIC, PAL,
137 16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
138 { "Alps TSCH6",Alps,NTSC,
139 16*137.25,16*385.25,0x14,0x12,0x11,0x8e,732},
140
141 { "Temic PAL_DK (4016 FY5)",TEMIC,PAL,
142 16*168.25,16*456.25,0xa0,0x90,0x30,0x8e,623},
143 { "Philips NTSC_M (MK2)",Philips,NTSC,
144 16*160.00,16*454.00,0xa0,0x90,0x30,0x8e,732},
145 { "Temic PAL_I (4066 FY5)", TEMIC, PAL_I,
146 16*169.00, 16*454.00, 0xa0,0x90,0x30,0x8e,623},
147 { "Temic PAL* auto (4006 FN5)", TEMIC, PAL,
148 16*169.00, 16*454.00, 0xa0,0x90,0x30,0x8e,623},
149
150 { "Temic PAL_BG (4009 FR5) or PAL_I (4069 FR5)", TEMIC, PAL,
151 16*141.00, 16*464.00, 0xa0,0x90,0x30,0x8e,623},
152 { "Temic NTSC (4039 FR5)", TEMIC, NTSC,
153 16*158.00, 16*453.00, 0xa0,0x90,0x30,0x8e,732},
154 { "Temic PAL/SECAM multi (4046 FM5)", TEMIC, PAL,
155 16*169.00, 16*454.00, 0xa0,0x90,0x30,0x8e,623},
156 { "Philips PAL_DK (FI1256 and compatibles)", Philips, PAL,
157 16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
158
159 { "Philips PAL/SECAM multi (FQ1216ME)", Philips, PAL,
160 16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
161 { "LG PAL_I+FM (TAPC-I001D)", LGINNOTEK, PAL_I,
162 16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
163 { "LG PAL_I (TAPC-I701D)", LGINNOTEK, PAL_I,
164 16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
165 { "LG NTSC+FM (TPI8NSR01F)", LGINNOTEK, NTSC,
166 16*210.00,16*497.00,0xa0,0x90,0x30,0x8e,732},
167
168 { "LG PAL_BG+FM (TPI8PSB01D)", LGINNOTEK, PAL,
169 16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
170 { "LG PAL_BG (TPI8PSB11D)", LGINNOTEK, PAL,
171 16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
172 { "Temic PAL* auto + FM (4009 FN5)", TEMIC, PAL,
173 16*141.00, 16*464.00, 0xa0,0x90,0x30,0x8e,623},
174 { "SHARP NTSC_JP (2U5JF5540)", SHARP, NTSC, /* 940=16*58.75 NTSC@Japan */
175 16*137.25,16*317.25,0x01,0x02,0x08,0x8e,940 },
176
177 { "Samsung PAL TCPM9091PD27", Samsung, PAL, /* from sourceforge v3tv */
178 16*169,16*464,0xA0,0x90,0x30,0x8e,623},
179 { "MT20xx universal", Microtune,PAL|NTSC,
180 /* see mt20xx.c for details */ },
181 { "Temic PAL_BG (4106 FH5)", TEMIC, PAL,
182 16*141.00, 16*464.00, 0xa0,0x90,0x30,0x8e,623},
183 { "Temic PAL_DK/SECAM_L (4012 FY5)", TEMIC, PAL,
184 16*140.25, 16*463.25, 0x02,0x04,0x01,0x8e,623},
185
186 { "Temic NTSC (4136 FY5)", TEMIC, NTSC,
187 16*158.00, 16*453.00, 0xa0,0x90,0x30,0x8e,732},
188 { "LG PAL (newer TAPC series)", LGINNOTEK, PAL,
189 16*170.00, 16*450.00, 0x01,0x02,0x08,0x8e,623},
190 { "Philips PAL/SECAM multi (FM1216ME MK3)", Philips, PAL,
191 16*160.00,16*442.00,0x01,0x02,0x04,0x8e,623 },
192 { "LG NTSC (newer TAPC series)", LGINNOTEK, NTSC,
193 16*170.00, 16*450.00, 0x01,0x02,0x08,0x8e,732},
194
195 { "HITACHI V7-J180AT", HITACHI, NTSC,
196 16*170.00, 16*450.00, 0x01,0x02,0x08,0x8e,940 },
197 { "Philips PAL_MK (FI1216 MK)", Philips, PAL,
198 16*140.25,16*463.25,0x01,0xc2,0xcf,0x8e,623},
199 { "Philips 1236D ATSC/NTSC daul in",Philips,ATSC,
200 16*157.25,16*454.00,0xa0,0x90,0x30,0x8e,732},
201 { "Philips NTSC MK3 (FM1236MK3 or FM1236/F)", Philips, NTSC,
202 16*160.00,16*442.00,0x01,0x02,0x04,0x8e,732},
203
204 { "Philips 4 in 1 (ATI TV Wonder Pro/Conexant)", Philips, NTSC,
205 16*160.00,16*442.00,0x01,0x02,0x04,0x8e,732},
206 { "Microtune 4049 FM5",Microtune,PAL,
207 16*141.00,16*464.00,0xa0,0x90,0x30,0x8e,623},
208 { "Panasonic VP27s/ENGE4324D", Panasonic, NTSC,
209 16*160.00,16*454.00,0x01,0x02,0x08,0xce,940},
210 { "LG NTSC (TAPE series)", LGINNOTEK, NTSC,
211 16*160.00,16*442.00,0x01,0x02,0x04,0x8e,732 },
212
213 { "Tenna TNF 8831 BGFF)", Philips, PAL,
214 16*161.25,16*463.25,0xa0,0x90,0x30,0x8e,623},
215 { "Microtune 4042 FI5 ATSC/NTSC dual in", Microtune, NTSC,
216 16*162.00,16*457.00,0xa2,0x94,0x31,0x8e,732},
217 { "TCL 2002N", TCL, NTSC,
218 16*172.00,16*448.00,0x01,0x02,0x08,0x8e,732},
219 { "Philips PAL/SECAM_D (FM 1256 I-H3)", Philips, PAL,
220 16*160.00,16*442.00,0x01,0x02,0x04,0x8e,623 },
221
222 { "Thomson DDT 7610 (ATSC/NTSC)", THOMSON, ATSC,
223 16*157.25,16*454.00,0x39,0x3a,0x3c,0x8e,732},
224 { "Philips FQ1286", Philips, NTSC,
225 16*160.00,16*454.00,0x41,0x42,0x04,0x8e,940}, // UHF band untested
226 { "tda8290+75", Philips,PAL|NTSC,
227 /* see tda8290.c for details */ },
228 { "LG PAL (TAPE series)", LGINNOTEK, PAL,
229 16*170.00, 16*450.00, 0x01,0x02,0x08,0xce,623},
230
586b0cab
MCC		 231 { "Philips PAL/SECAM multi (FQ1216AME MK4)", Philips, PAL,
232 16*160.00,16*442.00,0x01,0x02,0x04,0xce,623 },
233 { "Philips FQ1236A MK4", Philips, NTSC,
234 16*160.00,16*442.00,0x01,0x02,0x04,0x8e,732 },
f7ce3cc6 235 { "Ymec TVision TVF-8531MF/8831MF/8731MF", Philips, NTSC,
391cd727
MCC		 236 16*160.00,16*454.00,0xa0,0x90,0x30,0x8e,732},
237 { "Ymec TVision TVF-5533MF", Philips, NTSC,
238 16*160.00,16*454.00,0x01,0x02,0x04,0x8e,732},
f7ce3cc6 239
3c1d0185
MK		 240 { "Thomson DDT 7611 (ATSC/NTSC)", THOMSON, ATSC,
241 16*157.25,16*454.00,0x39,0x3a,0x3c,0x8e,732},
f7ce3cc6 242 { "Tena TNF9533-D/IF/TNF9533-B/DF", Philips, PAL,
586b0cab 243 16*160.25,16*464.25,0x01,0x02,0x04,0x8e,623},
f7ce3cc6
MCC		 244 { "Philips TEA5767HN FM Radio", Philips, RADIO,
245 /* see tea5767.c for details */},
586b0cab
MCC		 246 { "Philips FMD1216ME MK3 Hybrid Tuner", Philips, PAL,
247 16*160.00,16*442.00,0x51,0x52,0x54,0x86,623 },
fd3113e8
MCC		 248
249 { "LG TDVS-H062F/TUA6034", LGINNOTEK, NTSC,
250 16*160.00,16*455.00,0x01,0x02,0x04,0x8e,732},
251
252 { "Ymec TVF66T5-B/DFF", Philips, PAL,
253 16*160.25,16*464.25,0x01,0x02,0x08,0x8e,623},
1da177e4 254};
56fc08ca 255
1da177e4
LT		 256unsigned const int tuner_count = ARRAY_SIZE(tuners);
257
258/* ---------------------------------------------------------------------- */
259
260static int tuner_getstatus(struct i2c_client *c)
261{
262 unsigned char byte;
263
264 if (1 != i2c_master_recv(c,&byte,1))
265 return 0;
56fc08ca 266
1da177e4
LT		 267 return byte;
268}
269
1da177e4
LT		 270static int tuner_signal(struct i2c_client *c)
271{
56fc08ca 272 return (tuner_getstatus(c) & TUNER_SIGNAL) << 13;
1da177e4
LT		 273}
274
275static int tuner_stereo(struct i2c_client *c)
276{
56fc08ca
MCC		 277 int stereo, status;
278 struct tuner *t = i2c_get_clientdata(c);
279
280 status = tuner_getstatus (c);
281
282 switch (t->type) {
283 case TUNER_PHILIPS_FM1216ME_MK3:
284 case TUNER_PHILIPS_FM1236_MK3:
285 case TUNER_PHILIPS_FM1256_IH3:
286 stereo = ((status & TUNER_SIGNAL) == TUNER_STEREO_MK3);
287 break;
288 default:
289 stereo = status & TUNER_STEREO;
290 }
291
292 return stereo;
1da177e4
LT		 293}
294
1da177e4
LT		 295
296/* ---------------------------------------------------------------------- */
297
298static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
299{
300 struct tuner *t = i2c_get_clientdata(c);
301 u8 config;
302 u16 div;
303 struct tunertype *tun;
304 unsigned char buffer[4];
305 int rc;
306
307 tun = &tuners[t->type];
308 if (freq < tun->thresh1) {
309 config = tun->VHF_L;
310 tuner_dbg("tv: VHF lowrange\n");
311 } else if (freq < tun->thresh2) {
312 config = tun->VHF_H;
313 tuner_dbg("tv: VHF high range\n");
314 } else {
315 config = tun->UHF;
316 tuner_dbg("tv: UHF range\n");
317 }
318
319
320 /* tv norm specific stuff for multi-norm tuners */
321 switch (t->type) {
322 case TUNER_PHILIPS_SECAM: // FI1216MF
323 /* 0x01 -> ??? no change ??? */
324 /* 0x02 -> PAL BDGHI / SECAM L */
325 /* 0x04 -> ??? PAL others / SECAM others ??? */
326 config &= ~0x02;
327 if (t->std & V4L2_STD_SECAM)
328 config |= 0x02;
329 break;
330
331 case TUNER_TEMIC_4046FM5:
332 config &= ~0x0f;
333
334 if (t->std & V4L2_STD_PAL_BG) {
335 config |= TEMIC_SET_PAL_BG;
336
337 } else if (t->std & V4L2_STD_PAL_I) {
338 config |= TEMIC_SET_PAL_I;
339
340 } else if (t->std & V4L2_STD_PAL_DK) {
341 config |= TEMIC_SET_PAL_DK;
342
343 } else if (t->std & V4L2_STD_SECAM_L) {
344 config |= TEMIC_SET_PAL_L;
345
346 }
347 break;
348
349 case TUNER_PHILIPS_FQ1216ME:
350 config &= ~0x0f;
351
352 if (t->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) {
353 config |= PHILIPS_SET_PAL_BGDK;
354
355 } else if (t->std & V4L2_STD_PAL_I) {
356 config |= PHILIPS_SET_PAL_I;
357
358 } else if (t->std & V4L2_STD_SECAM_L) {
359 config |= PHILIPS_SET_PAL_L;
360
361 }
362 break;
363
364 case TUNER_PHILIPS_ATSC:
365 /* 0x00 -> ATSC antenna input 1 */
366 /* 0x01 -> ATSC antenna input 2 */
367 /* 0x02 -> NTSC antenna input 1 */
368 /* 0x03 -> NTSC antenna input 2 */
369 config &= ~0x03;
370 if (!(t->std & V4L2_STD_ATSC))
371 config |= 2;
372 /* FIXME: input */
373 break;
374
375 case TUNER_MICROTUNE_4042FI5:
376 /* Set the charge pump for fast tuning */
f7ce3cc6 377 tun->config |= TUNER_CHARGE_PUMP;
1da177e4
LT		 378 break;
379 }
380
381 /*
382 * Philips FI1216MK2 remark from specification :
383 * for channel selection involving band switching, and to ensure
384 * smooth tuning to the desired channel without causing
385 * unnecessary charge pump action, it is recommended to consider
386 * the difference between wanted channel frequency and the
387 * current channel frequency. Unnecessary charge pump action
388 * will result in very low tuning voltage which may drive the
389 * oscillator to extreme conditions.
390 *
391 * Progfou: specification says to send config data before
392 * frequency in case (wanted frequency < current frequency).
393 */
394
395 div=freq + tun->IFPCoff;
396 if (t->type == TUNER_PHILIPS_SECAM && freq < t->freq) {
397 buffer[0] = tun->config;
398 buffer[1] = config;
399 buffer[2] = (div>>8) & 0x7f;
400 buffer[3] = div & 0xff;
401 } else {
402 buffer[0] = (div>>8) & 0x7f;
403 buffer[1] = div & 0xff;
404 buffer[2] = tun->config;
405 buffer[3] = config;
406 }
407 tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
408 buffer[0],buffer[1],buffer[2],buffer[3]);
409
410 if (4 != (rc = i2c_master_send(c,buffer,4)))
411 tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc);
412
413 if (t->type == TUNER_MICROTUNE_4042FI5) {
414 // FIXME - this may also work for other tuners
415 unsigned long timeout = jiffies + msecs_to_jiffies(1);
416 u8 status_byte = 0;
417
418 /* Wait until the PLL locks */
419 for (;;) {
420 if (time_after(jiffies,timeout))
421 return;
422 if (1 != (rc = i2c_master_recv(c,&status_byte,1))) {
423 tuner_warn("i2c i/o read error: rc == %d (should be 1)\n",rc);
424 break;
425 }
f7ce3cc6 426 if (status_byte & TUNER_PLL_LOCKED)
1da177e4
LT		 427 break;
428 udelay(10);
429 }
430
431 /* Set the charge pump for optimized phase noise figure */
f7ce3cc6 432 tun->config &= ~TUNER_CHARGE_PUMP;
1da177e4
LT		 433 buffer[0] = (div>>8) & 0x7f;
434 buffer[1] = div & 0xff;
435 buffer[2] = tun->config;
436 buffer[3] = config;
437 tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
438 buffer[0],buffer[1],buffer[2],buffer[3]);
439
440 if (4 != (rc = i2c_master_send(c,buffer,4)))
441 tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc);
442 }
443}
444
445static void default_set_radio_freq(struct i2c_client *c, unsigned int freq)
446{
447 struct tunertype *tun;
448 struct tuner *t = i2c_get_clientdata(c);
449 unsigned char buffer[4];
450 unsigned div;
451 int rc;
452
f7ce3cc6
MCC		 453 tun = &tuners[t->type];
454 div = (20 * freq / 16000) + (int)(20*10.7); /* IF 10.7 MHz */
455 buffer[2] = (tun->config & ~TUNER_RATIO_MASK) | TUNER_RATIO_SELECT_50; /* 50 kHz step */
1da177e4
LT		 456
457 switch (t->type) {
56fc08ca 458 case TUNER_TENA_9533_DI:
391cd727 459 case TUNER_YMEC_TVF_5533MF:
f7ce3cc6
MCC		 460 tuner_dbg ("This tuner doesn't have FM. Most cards has a TEA5767 for FM\n");
461 return;
1da177e4
LT		 462 case TUNER_PHILIPS_FM1216ME_MK3:
463 case TUNER_PHILIPS_FM1236_MK3:
586b0cab 464 case TUNER_PHILIPS_FMD1216ME_MK3:
1da177e4
LT		 465 buffer[3] = 0x19;
466 break;
467 case TUNER_PHILIPS_FM1256_IH3:
f7ce3cc6 468 div = (20 * freq) / 16000 + (int)(33.3 * 20); /* IF 33.3 MHz */
1da177e4
LT		 469 buffer[3] = 0x19;
470 break;
471 case TUNER_LG_PAL_FM:
472 buffer[3] = 0xa5;
473 break;
474 default:
475 buffer[3] = 0xa4;
476 break;
477 }
478 buffer[0] = (div>>8) & 0x7f;
479 buffer[1] = div & 0xff;
480
481 tuner_dbg("radio 0x%02x 0x%02x 0x%02x 0x%02x\n",
482 buffer[0],buffer[1],buffer[2],buffer[3]);
483
484 if (4 != (rc = i2c_master_send(c,buffer,4)))
485 tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc);
486}
487
488int default_tuner_init(struct i2c_client *c)
489{
490 struct tuner *t = i2c_get_clientdata(c);
491
492 tuner_info("type set to %d (%s)\n",
493 t->type, tuners[t->type].name);
494 strlcpy(c->name, tuners[t->type].name, sizeof(c->name));
495
496 t->tv_freq = default_set_tv_freq;
497 t->radio_freq = default_set_radio_freq;
498 t->has_signal = tuner_signal;
499 t->is_stereo = tuner_stereo;
586b0cab 500
1da177e4
LT		 501 return 0;
502}
503
504/*
505 * Overrides for Emacs so that we follow Linus's tabbing style.
506 * ---------------------------------------------------------------------------
507 * Local variables:
508 * c-basic-offset: 8
509 * End:
510 */
Linux 6.x block layer and io_uring tree(s)