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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 4d27ac1b7fb..c8fd4204cd0 100644
--- a/drivers/media/video/tea5767.c
+++ b/drivers/media/video/tea5767.c
@@ -2,7 +2,7 @@
* For Philips TEA5767 FM Chip used on some TV Cards like Prolink Pixelview
* I2C address is allways 0xC0.
*
- * $Id: tea5767.c,v 1.21 2005/07/14 03:06:43 mchehab Exp $
+ * $Id: tea5767.c,v 1.26 2005/07/27 12:00:36 mkrufky Exp $
*
* Copyright (c) 2005 Mauro Carvalho Chehab (mchehab@brturbo.com.br)
* This code is placed under the terms of the GNU General Public License
@@ -15,7 +15,6 @@
#include <linux/videodev.h>
#include <linux/delay.h>
#include <media/tuner.h>
-#include <media/tuner.h>
#define PREFIX "TEA5767 "
@@ -293,7 +292,7 @@ static int tea5767_stereo(struct i2c_client *c)
int tea5767_autodetection(struct i2c_client *c)
{
- unsigned char buffer[5] = { 0xff, 0xff, 0xff, 0xff, 0xff };
+ unsigned char buffer[7] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
int rc;
struct tuner *t = i2c_get_clientdata(c);
@@ -302,7 +301,7 @@ int tea5767_autodetection(struct i2c_client *c)
return EINVAL;
}
- /* If all bytes are the same then it's a TV tuner and not a tea5767 chip. */
+ /* If all bytes are the same then it's a TV tuner and not a tea5767 */
if (buffer[0] == buffer[1] && buffer[0] == buffer[2] &&
buffer[0] == buffer[3] && buffer[0] == buffer[4]) {
tuner_warn("All bytes are equal. It is not a TEA5767\n");
@@ -318,6 +317,11 @@ int tea5767_autodetection(struct i2c_client *c)
tuner_warn("Chip ID is not zero. It is not a TEA5767\n");
return EINVAL;
}
+ /* It seems that tea5767 returns 0xff after the 5th byte */
+ if ((buffer[5] != 0xff) || (buffer[6] != 0xff)) {
+ tuner_warn("Returned more than 5 bytes. It is not a TEA5767\n");
+ return EINVAL;
+ }
tuner_warn("TEA5767 detected.\n");
return 0;
@@ -327,9 +331,6 @@ int tea5767_tuner_init(struct i2c_client *c)
{
struct tuner *t = i2c_get_clientdata(c);
- if (tea5767_autodetection(c) == EINVAL)
- return EINVAL;
-
tuner_info("type set to %d (%s)\n", t->type, "Philips TEA5767HN FM Radio");
strlcpy(c->name, "tea5767", sizeof(c->name));