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@@ -2,7 +2,7 @@
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* For Philips TEA5767 FM Chip used on some TV Cards like Prolink Pixelview
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* For Philips TEA5767 FM Chip used on some TV Cards like Prolink Pixelview
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* I2C address is allways 0xC0.
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* I2C address is allways 0xC0.
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*
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*
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- * $Id: tea5767.c,v 1.21 2005/07/14 03:06:43 mchehab Exp $
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+ * $Id: tea5767.c,v 1.26 2005/07/27 12:00:36 mkrufky Exp $
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*
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*
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* Copyright (c) 2005 Mauro Carvalho Chehab (mchehab@brturbo.com.br)
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* Copyright (c) 2005 Mauro Carvalho Chehab (mchehab@brturbo.com.br)
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* This code is placed under the terms of the GNU General Public License
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* This code is placed under the terms of the GNU General Public License
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@@ -15,7 +15,6 @@
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#include <linux/videodev.h>
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#include <linux/videodev.h>
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#include <linux/delay.h>
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#include <linux/delay.h>
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#include <media/tuner.h>
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#include <media/tuner.h>
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-#include <media/tuner.h>
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#define PREFIX "TEA5767 "
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#define PREFIX "TEA5767 "
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@@ -293,7 +292,7 @@ static int tea5767_stereo(struct i2c_client *c)
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int tea5767_autodetection(struct i2c_client *c)
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int tea5767_autodetection(struct i2c_client *c)
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{
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{
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- unsigned char buffer[5] = { 0xff, 0xff, 0xff, 0xff, 0xff };
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+ unsigned char buffer[7] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
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int rc;
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int rc;
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struct tuner *t = i2c_get_clientdata(c);
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struct tuner *t = i2c_get_clientdata(c);
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@@ -302,7 +301,7 @@ int tea5767_autodetection(struct i2c_client *c)
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return EINVAL;
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return EINVAL;
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}
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}
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- /* If all bytes are the same then it's a TV tuner and not a tea5767 chip. */
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+ /* If all bytes are the same then it's a TV tuner and not a tea5767 */
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if (buffer[0] == buffer[1] && buffer[0] == buffer[2] &&
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if (buffer[0] == buffer[1] && buffer[0] == buffer[2] &&
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buffer[0] == buffer[3] && buffer[0] == buffer[4]) {
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buffer[0] == buffer[3] && buffer[0] == buffer[4]) {
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tuner_warn("All bytes are equal. It is not a TEA5767\n");
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tuner_warn("All bytes are equal. It is not a TEA5767\n");
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@@ -318,6 +317,11 @@ int tea5767_autodetection(struct i2c_client *c)
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tuner_warn("Chip ID is not zero. It is not a TEA5767\n");
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tuner_warn("Chip ID is not zero. It is not a TEA5767\n");
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return EINVAL;
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return EINVAL;
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}
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}
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+ /* It seems that tea5767 returns 0xff after the 5th byte */
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+ if ((buffer[5] != 0xff) || (buffer[6] != 0xff)) {
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+ tuner_warn("Returned more than 5 bytes. It is not a TEA5767\n");
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+ return EINVAL;
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+ }
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tuner_warn("TEA5767 detected.\n");
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tuner_warn("TEA5767 detected.\n");
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return 0;
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return 0;
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@@ -327,9 +331,6 @@ int tea5767_tuner_init(struct i2c_client *c)
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{
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{
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struct tuner *t = i2c_get_clientdata(c);
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struct tuner *t = i2c_get_clientdata(c);
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- if (tea5767_autodetection(c) == EINVAL)
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- return EINVAL;
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-
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tuner_info("type set to %d (%s)\n", t->type, "Philips TEA5767HN FM Radio");
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tuner_info("type set to %d (%s)\n", t->type, "Philips TEA5767HN FM Radio");
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strlcpy(c->name, "tea5767", sizeof(c->name));
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strlcpy(c->name, "tea5767", sizeof(c->name));
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