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Diffstat (limited to 'drivers/media/video/tea5767.c')
-rw-r--r--drivers/media/video/tea5767.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/media/video/tea5767.c b/drivers/media/video/tea5767.c
index 4d27ac1b7fb8..c8fd4204cd0a 100644
--- a/drivers/media/video/tea5767.c
+++ b/drivers/media/video/tea5767.c
@@ -2,7 +2,7 @@
2 * For Philips TEA5767 FM Chip used on some TV Cards like Prolink Pixelview 2 * For Philips TEA5767 FM Chip used on some TV Cards like Prolink Pixelview
3 * I2C address is allways 0xC0. 3 * I2C address is allways 0xC0.
4 * 4 *
5 * $Id: tea5767.c,v 1.21 2005/07/14 03:06:43 mchehab Exp $ 5 * $Id: tea5767.c,v 1.26 2005/07/27 12:00:36 mkrufky Exp $
6 * 6 *
7 * Copyright (c) 2005 Mauro Carvalho Chehab (mchehab@brturbo.com.br) 7 * Copyright (c) 2005 Mauro Carvalho Chehab (mchehab@brturbo.com.br)
8 * This code is placed under the terms of the GNU General Public License 8 * This code is placed under the terms of the GNU General Public License
@@ -15,7 +15,6 @@
15#include <linux/videodev.h> 15#include <linux/videodev.h>
16#include <linux/delay.h> 16#include <linux/delay.h>
17#include <media/tuner.h> 17#include <media/tuner.h>
18#include <media/tuner.h>
19 18
20#define PREFIX "TEA5767 " 19#define PREFIX "TEA5767 "
21 20
@@ -293,7 +292,7 @@ static int tea5767_stereo(struct i2c_client *c)
293 292
294int tea5767_autodetection(struct i2c_client *c) 293int tea5767_autodetection(struct i2c_client *c)
295{ 294{
296 unsigned char buffer[5] = { 0xff, 0xff, 0xff, 0xff, 0xff }; 295 unsigned char buffer[7] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
297 int rc; 296 int rc;
298 struct tuner *t = i2c_get_clientdata(c); 297 struct tuner *t = i2c_get_clientdata(c);
299 298
@@ -302,7 +301,7 @@ int tea5767_autodetection(struct i2c_client *c)
302 return EINVAL; 301 return EINVAL;
303 } 302 }
304 303
305 /* If all bytes are the same then it's a TV tuner and not a tea5767 chip. */ 304 /* If all bytes are the same then it's a TV tuner and not a tea5767 */
306 if (buffer[0] == buffer[1] && buffer[0] == buffer[2] && 305 if (buffer[0] == buffer[1] && buffer[0] == buffer[2] &&
307 buffer[0] == buffer[3] && buffer[0] == buffer[4]) { 306 buffer[0] == buffer[3] && buffer[0] == buffer[4]) {
308 tuner_warn("All bytes are equal. It is not a TEA5767\n"); 307 tuner_warn("All bytes are equal. It is not a TEA5767\n");
@@ -318,6 +317,11 @@ int tea5767_autodetection(struct i2c_client *c)
318 tuner_warn("Chip ID is not zero. It is not a TEA5767\n"); 317 tuner_warn("Chip ID is not zero. It is not a TEA5767\n");
319 return EINVAL; 318 return EINVAL;
320 } 319 }
320 /* It seems that tea5767 returns 0xff after the 5th byte */
321 if ((buffer[5] != 0xff) || (buffer[6] != 0xff)) {
322 tuner_warn("Returned more than 5 bytes. It is not a TEA5767\n");
323 return EINVAL;
324 }
321 325
322 tuner_warn("TEA5767 detected.\n"); 326 tuner_warn("TEA5767 detected.\n");
323 return 0; 327 return 0;
@@ -327,9 +331,6 @@ int tea5767_tuner_init(struct i2c_client *c)
327{ 331{
328 struct tuner *t = i2c_get_clientdata(c); 332 struct tuner *t = i2c_get_clientdata(c);
329 333
330 if (tea5767_autodetection(c) == EINVAL)
331 return EINVAL;
332
333 tuner_info("type set to %d (%s)\n", t->type, "Philips TEA5767HN FM Radio"); 334 tuner_info("type set to %d (%s)\n", t->type, "Philips TEA5767HN FM Radio");
334 strlcpy(c->name, "tea5767", sizeof(c->name)); 335 strlcpy(c->name, "tea5767", sizeof(c->name));
335 336