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authorMauro Carvalho Chehab <mchehab@redhat.com>2008-11-15 23:44:14 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-11-16 23:55:48 -0200
commitc41109fc9a13c6af0e4069dd92fdb4c5c8046649 (patch)
tree60dd41bf089702490f57a41d76b232676a71108d /drivers/media
parentdf4533af7f45e87a4be470502fa3cea2f6c96da9 (diff)
V4L/DVB (9627): em28xx: Avoid i2c register error for boards without eeprom
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/video/em28xx/em28xx-i2c.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/media/video/em28xx/em28xx-i2c.c b/drivers/media/video/em28xx/em28xx-i2c.c
index 3bab56b997f..2360c61ddca 100644
--- a/drivers/media/video/em28xx/em28xx-i2c.c
+++ b/drivers/media/video/em28xx/em28xx-i2c.c
@@ -337,9 +337,9 @@ static int em28xx_i2c_eeprom(struct em28xx *dev, unsigned char *eedata, int len)
/* Check if board has eeprom */
err = i2c_master_recv(&dev->i2c_client, &buf, 0);
if (err < 0) {
- em28xx_errdev("%s: i2c_master_recv failed! err [%d]\n",
- __func__, err);
- return err;
+ em28xx_errdev("board has no eeprom\n");
+ memset(eedata, 0, len);
+ return -ENODEV;
}
buf = 0;
@@ -609,14 +609,16 @@ int em28xx_i2c_register(struct em28xx *dev)
dev->i2c_client.adapter = &dev->i2c_adap;
retval = em28xx_i2c_eeprom(dev, dev->eedata, sizeof(dev->eedata));
- if (retval < 0) {
+ if ((retval < 0) && (retval != -ENODEV)) {
em28xx_errdev("%s: em28xx_i2_eeprom failed! retval [%d]\n",
__func__, retval);
+
return retval;
}
if (i2c_scan)
em28xx_do_i2c_scan(dev);
+
return 0;
}