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author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-11-16 02:44:14 (GMT) |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-11-17 01:55:48 (GMT) |
commit | c41109fc9a13c6af0e4069dd92fdb4c5c8046649 (patch) | |
tree | 60dd41bf089702490f57a41d76b232676a71108d /drivers/media/video | |
parent | df4533af7f45e87a4be470502fa3cea2f6c96da9 (diff) | |
download | linux-fsl-qoriq-c41109fc9a13c6af0e4069dd92fdb4c5c8046649.tar.xz |
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/video')
-rw-r--r-- | drivers/media/video/em28xx/em28xx-i2c.c | 10 |
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 3bab56b..2360c61 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; } |